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scinexx.de

scinexx.de is SSL secured

Free website and domain report on scinexx.de

Last Updated: 25th February, 2023 Update Now
Overview

Snoop Summary for scinexx.de

This is a free and comprehensive report about scinexx.de. Scinexx.de is hosted in Germany on a server with an IP address of 94.130.6.186, where the local currency is EUR and German is the local language. Scinexx.de has the potential to be earning an estimated $6 USD per day from advertising revenue. If scinexx.de was to be sold it would possibly be worth $4,352 USD (based on the daily revenue potential of the website over a 24 month period). Scinexx.de is quite popular with an estimated 2,087 daily unique visitors. This report was last updated 25th February, 2023.

About scinexx.de

Site Preview: scinexx.de scinexx.de
Title: Scinexx
Description: Ein Magazin mit Nachrichten und Dossiers aus den Bereichen Geo, Bio, Medizin, Energie, Technik und Kosmos.
Keywords and Tags: education, popular, reference
Related Terms: kosmos
Fav Icon:
Age:
Domain Created:
Domain Updated:
Domain Expires:
Review

Snoop Score

2/5

Valuation

$4,352 USD
Note: All valuation figures are estimates.

Popularity

Modest
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 280,982
Alexa Reach: 0.0003%
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 2,087
Monthly Visitors: 63,522
Yearly Visitors: 761,755
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $6 USD
Monthly Revenue: $181 USD
Yearly Revenue: $2,171 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: scinexx.de 10
Domain Name: scinexx 7
Extension (TLD): de 2

Page Speed Analysis

Average Load Time: 1.51 seconds
Load Time Comparison: Faster than 62% of sites

PageSpeed Insights

Avg. (All Categories) 83
Performance 91
Accessibility 80
Best Practices 92
SEO 83
PWA 67
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.scinexx.de/
Updated: 25th February, 2023

1.08 seconds
First Contentful Paint (FCP)
87%
8%
5%

0.00 seconds
First Input Delay (FID)
99%
0%
1%

Simulate loading on desktop
91

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for scinexx.de. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Time to Interactive — 1.4 s
The time taken for the page to become fully interactive.
Speed Index — 1.2 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 20 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Audits

Max Potential First Input Delay — 80 ms
Users could experience a delay when interacting with the page.
Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://scinexx.de/
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h2
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h2
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h2
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Font
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h2
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h2
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h2
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h2
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h2
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h2
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h2
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h2
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Script
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h2
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XHR
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http/1.1
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image/jpeg
Image
https://ssl.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=768581021&utmhn=www.scinexx.de&utmcs=UTF-8&utmsr=800x600&utmvp=1350x940&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=scinexx%20%7C%20Wissensmagazin%20mit%20News%20aus%20Wissenschaft%20und%20Forschung&utmhid=566528849&utmr=-&utmp=%2F&utmht=1677318988349&utmac=UA-3368393-1&utmcc=__utma%3D219907867.1076861732.1677318988.1677318988.1677318988.1%3B%2B__utmz%3D219907867.1677318988.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&aip=1&utmjid=1116377435&utmredir=1&utmu=qAQAAAAAAAAAAAAAAAAAAAAE~
h2
685.71099999826
689.08199999714
469
35
200
image/gif
Image
https://fonts.googleapis.com/css?family=Open+Sans:400,600,700&display=swap
h2
818.79299999855
824.25499999954
1394
8601
200
text/css
Stylesheet
https://cdn.privacy-mgmt.com/consent/tcfv2/vendor-list/categories?siteId=3734&consentLanguage=de
h2
831.43999999447
855.61400000006
1622
3005
200
application/json
Fetch
https://fonts.gstatic.com/s/opensans/v34/memvYaGs126MiZpBA-UvWbX2vVnXBbObj2OVTS-mu0SC55I.woff2
h2
854.68399999081
858.85299999791
40184
39372
200
font/woff2
Font
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
128.575
10.873
172.926
17.666
234.757
6.514
241.297
8.516
250.185
11.875
401.023
6.745
407.794
36.791
444.595
6.403
451.005
5.548
457.906
16.011
486.921
33.163
520.134
12.172
532.367
6.647
551.223
13.362
572.881
47.345
620.253
7.791
637.195
9.343
647.216
7.944
660.601
5.077
670.399
16.1
691.273
8.827
709.13
5.457
717.045
5.27
723.686
15.57
743.511
6.326
751.453
7.31
758.772
84.18
843.199
5.992
850.502
15.703
866.889
14.866
881.779
6.382
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Other

Eliminate render-blocking resources — Potential savings of 120 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Scinexx.de should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-n2go-styles-9dc259eba9d48d0eccff65cefe374cb1.css
52720
280
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
44807
390
https://www.scinexx.de/wp-includes/js/jquery/jquery.min.js
30504
120
https://cdn1.readspeaker.com/script/10936/webReader/webReader.js?pids=wr
23319
310
Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Scinexx.de should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Scinexx.de should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Scinexx.de should consider minifying JS files.
Reduce unused CSS — Potential savings of 91 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Scinexx.de should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-n2go-styles-9dc259eba9d48d0eccff65cefe374cb1.css
52720
41481
https://cdn1.readspeaker.com/script/10936/webReader/r/r2218/ReadSpeaker.Styles-Button.css?v=3.7.0.2218
38961
38961
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-kv-override-e0bb80a917d1a79507d89c536ad229fd.css
14145
12925
Efficiently encode images — Potential savings of 116 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
36305
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
19304
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
19211
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
18812
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
14443
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g.jpg
124491
11193
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 90 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://www.scinexx.de/
91.126
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Scinexx.de should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://scinexx.de/
190
https://www.scinexx.de/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Scinexx.de should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 11 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
10812
https://www.scinexx.de/
541
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
129
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
0
Avoids enormous network payloads — Total size was 1,869 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
145061
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g.jpg
124842
https://www.scinexx.de/wp-content/uploads/n/g/ngc628gg-1025x450.jpg
100179
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
84597
https://cdn.privacy-mgmt.com/Notice.d7427.js
70901
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/fonts/fontawesome-webfont.woff2
66962
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
61973
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-n2go-styles-9dc259eba9d48d0eccff65cefe374cb1.css
52720
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51535
https://www.scinexx.de/wp-content/uploads/w/e/wendelsteing-1-470x264.jpg
50815
Avoid chaining critical requests — 10 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Scinexx.de should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.2 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.scinexx.de/
214.721
37.955
3.86
https://cdn.privacy-mgmt.com/Notice.d7427.js
105.883
94.094
3.297
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
62.659
39.942
2.125
https://www.scinexx.de/wp-includes/js/jquery/jquery.min.js
57.883
29.62
1.166
Minimizes main-thread work — 0.6 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
249.471
Style & Layout
129.439
Other
108.508
Rendering
35.773
Script Parsing & Compilation
29.306
Parse HTML & CSS
28.468
Garbage Collection
7.245
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 88 requests • 1,869 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
88
1914042
Image
52
1228685
Script
13
371420
Font
4
154700
Stylesheet
6
118334
Document
2
27029
Other
11
13874
Media
0
0
Third-party
28
541756
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
62360
0
SHOW DETAILS
62280
0
SHOW DETAILS
41578
0
SHOW DETAILS
18146
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Quantencomputer
Avoid large layout shifts — 2 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
body.home
0.10173611111111
Newsletter
1.4250047553056E-5
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoid long main-thread tasks — 1 long task found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://cdn.privacy-mgmt.com/Notice.d7427.js
1451
84
Avoid non-composited animations — 45 animated elements found
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Element Name
Fast Forward Science 2022/23
Podcast des Ökoinstituts : Nachhaltigkeit durch Digitalisierung? https://www.oe…
Erdinneres
Weizen trotzt Trockenheit
Podcast : Roboter wie wir - Asimovs Visionen und die Realität https://hybrid-so…
div.row > div#herald-sidebar-right > div#text-21 > a.mediathek-link
Mindestens 36 Tote nach schweren Regenfällen in Brasilien
Insekten als Essen
Wendelstein 7-X
weiter
Quiz: Leonardo da Vinci
Wo sind die Aliens?
Home
Special: Coronavirus und Covid-19
earthview
Newsletter
div#herald-sidebar-right > div#custom_html-7 > div.textwidget > a
Angesiedelt statt ausgerottet
Bären
MaxPlanckForschung 4/2022 : Sinne - unser Draht zur Welt https://www.mpg.de/196…
Wie der Menstruationszyklus Migräne beeinflusst
Earthquake Explorer : Interaktive Karte aktueller Erdbeben https://geofon.gfz-p…
Corona
div#shortcodes-ultimate-6 > div.textwidget > div.sb-quiz > a
Fledermäuse - Geheimnisvolle Nachtschwärmer
Holzpfähle
Pfeil und Bogen schon vor 54.000 Jahren
MaxPlanckForschung 3/2022 : Gehen oder Bleiben? Mobilität und Migration bei Men…
Warum hat der Wintermond manchmal farbige Ringe?
Ur-Massenaussterben mit aktuellem Bezug
FFS22/23 Startschuss
ChatGPT und Co - Chance oder Risiko?
Red-Stone-Tal
„Alien-artiger“ Hirnaktivität auf der Spur
Saffran und Pfeffer
KI-System
außerirdisches Raumschiff
Infrarotblick in Herz einer Spiralgalaxie
div#shortcodes-ultimate-5 > div.textwidget > div.sb-wissenswert > a
Schutz für sensible Systeme
div#herald-sidebar-right > div#text-21 > div.textwidget > a.mediathek-link
Hacking
Die Ära der Cappuccino-Bären
Zu den Doku-Tipps
Insekten auf dem Speiseplan
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

First Contentful Paint — 0.9 s
The time taken for the first image or text on the page to be rendered.
Largest Contentful Paint — 1.6 s
The timing of the largest text or image that is painted.
Cumulative Layout Shift — 0.102
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

First Meaningful Paint — 1.1 s
The time taken for the primary content of the page to be rendered.

Other

Properly size images — Potential savings of 714 KiB
Images can slow down the page's load time. Scinexx.de should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
144710
90163
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g.jpg
124491
71565
https://www.scinexx.de/wp-content/uploads/n/g/ngc628gg-1025x450.jpg
99829
56054
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
43062
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
38188
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
37709
https://www.scinexx.de/wp-content/uploads/l/e/leonardoquiz_teaser.jpg
48678
36509
https://www.scinexx.de/wp-content/uploads/w/e/wendelsteing-1-470x264.jpg
50466
29649
https://www.scinexx.de/wp-content/uploads/b/a/base_neu2-768x384.jpg
30998
27214
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
22920
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
21599
https://www.scinexx.de/wp-content/uploads/g/r/gribshundeng-470x264.jpg
36342
21351
https://www.scinexx.de/wp-content/uploads/p/i/pinguinfossilng-470x264.jpg
33788
19851
https://www.scinexx.de/wp-content/uploads/s/e/sechsgalaxieng-470x264.jpg
33634
19760
https://www.scinexx.de/wp-content/uploads/c/o/cosmicwebg-1-470x264.jpg
33571
19723
https://www.scinexx.de/wp-content/uploads/a/l/alsdiagnoseg-470x264.jpg
32408
19040
https://www.scinexx.de/wp-content/uploads/s/c/schlangenohr_g-470x264.jpg
32096
18857
https://www.scinexx.de/wp-content/uploads/w/e/weinkraterg-470x264.jpg
31993
18796
https://www.scinexx.de/wp-content/uploads/m/a/marslebeng-470x264.jpg
28246
16595
https://www.wissenschaft.de/wp-content/uploads/A/d/AdobeStock_198888286_EA635F36-5B6D-491F-9392-C5FA9298940A-e1675692387197-300x197.jpg
19336
16116
https://www.scinexx.de/wp-content/uploads/s/a/salzhydratg-470x264.jpg
26474
15554
https://www.scinexx.de/wp-content/uploads/h/i/hirnopg-470x264.jpg
24160
14194
https://www.scinexx.de/wp-content/uploads/L/o/Logo_mit_Zusatz.png
11224
8184
https://www.scinexx.de/wp-content/uploads/h/a/hacker01g-150x150.jpg
10050
7839
https://www.scinexx.de/wp-content/uploads/k/e/kernschneeg-470x264.jpg
13044
7663
https://www.scinexx.de/wp-content/uploads/p/f/pfeilspitzeng-470x264.jpg
12256
7200
https://www.scinexx.de/wp-content/uploads/i/n/insektenesse01g-150x150.jpg
8006
6245
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g-150x150.jpg
7165
5589
https://www.scinexx.de/wp-content/uploads/h/y/hybride_g-150x150.jpg
6970
5437
https://www.scinexx.de/wp-content/uploads/m/o/mondauroreng-470x264.jpg
7704
4526
https://www.scinexx.de/wp-content/uploads/f/e/fermiparadox01g-150x150.jpg
5633
4394
Reduce unused JavaScript — Potential savings of 112 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
84597
70072
https://cdn.privacy-mgmt.com/Notice.d7427.js
70901
44119
Serve images in next-gen formats — Potential savings of 428 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g.jpg
124491
70662.5
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
144710
50027.25
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
40875.25
https://www.scinexx.de/wp-content/uploads/n/g/ngc628gg-1025x450.jpg
99829
36846.35
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
31601.2
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
30074.9
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
23604.1
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
20291.7
https://www.scinexx.de/wp-content/uploads/w/e/wendelsteing-1-470x264.jpg
50466
15405.8
https://www.scinexx.de/wp-content/uploads/g/r/gribshundeng-470x264.jpg
36342
13053.75
https://www.scinexx.de/wp-content/uploads/s/e/sechsgalaxieng-470x264.jpg
33634
12289.45
https://www.scinexx.de/wp-content/uploads/c/o/cosmicwebg-1-470x264.jpg
33571
11410.4
https://www.scinexx.de/wp-content/uploads/a/l/alsdiagnoseg-470x264.jpg
32408
11385.4
https://www.scinexx.de/wp-content/uploads/p/i/pinguinfossilng-470x264.jpg
33788
11303.45
https://www.scinexx.de/wp-content/uploads/h/i/hirnopg-470x264.jpg
24160
10735.25
https://www.scinexx.de/wp-content/uploads/s/c/schlangenohr_g-470x264.jpg
32096
10571.55
https://www.scinexx.de/wp-content/uploads/w/e/weinkraterg-470x264.jpg
31993
10412.3
https://www.wissenschaft.de/wp-content/uploads/A/d/AdobeStock_198888286_EA635F36-5B6D-491F-9392-C5FA9298940A-e1675692387197-300x197.jpg
19336
9815.65
https://www.scinexx.de/wp-content/uploads/m/a/marslebeng-470x264.jpg
28246
9124.9
https://www.scinexx.de/wp-content/uploads/s/a/salzhydratg-470x264.jpg
26474
8900.45
Avoid an excessive DOM size — 947 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
947
Maximum DOM Depth
div.entry-header > h4.entry-title > a > img.bdwplus
17
Maximum Child Elements
body.home
27

Other

Serve static assets with an efficient cache policy — 65 resources found
Scinexx.de can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://cdn1.readspeaker.com/script/10936/webReader/webReader.js?pids=wr
0
23319
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/iqd_gzip_test.js.gz
0
387
https://cdn.privacy-mgmt.com/Notice.d7427.js
3600000
70901
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
3600000
44807
https://cdn.privacy-mgmt.com/Notice.55a6a.css
3600000
6147
https://cdn.privacy-mgmt.com/polyfills.d36c5.js
3600000
2530
https://ssl.google-analytics.com/ga.js
7200000
17677
https://cdn1.readspeaker.com/script/10936/webReader/r/r2218/ReadSpeaker.Styles-Button.css?v=3.7.0.2218
86400000
38961
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
604800000
145061
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Largest Contentful Paint image was lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
Quantencomputer
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL
https://www.scinexx.de/wp-content/uploads/i/q/iqd_mittelstand.png
https://www.scinexx.de/wp-content/uploads/f/a/facebook.png
https://www.scinexx.de/wp-content/uploads/t/w/twitter.png
https://www.scinexx.de/wp-content/uploads/y/o/youtube.png
https://www.scinexx.de/wp-content/uploads/r/s/rss.png
https://www.scinexx.de/wp-content/uploads/o/b/oba.png
80

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of scinexx.de. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have alternate text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Scinexx.de may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
25. Februar 2023
Home
Geowissen
Biowissen
Medizin
Energie
Technik
Physik
Kosmos
Archäologie
Psychologie
Dossiers
Quantencomputer knackt Fehlerproblem
Salzrätsel von Europa, Ceres und Co gelöst?
Schlangen sind doch nicht taub
Neue Analysemethode für Nano- und Quantenmaterialien entwickelt
Was Zentralamerika zum größten Zigarrenhersteller der Welt macht
Bio-Kunstrasen: nachhaltig, umweltfreundlich, spieltauglich
Stationäres Optiker-Geschäft in Zeiten der Digitalisierung
Auch Bioplastikflaschen halten Speiseöl lange frisch
Schädel-Chirurgie schon im bronzezeitlichen Israel
Meteoritenkrater in französischem Weingut entdeckt
ChatGPT und Co - Chance oder Risiko?
Durchbruch oder Hype?
Wie funktionieren ChatGPT und Co?
Ist ChatGPT intelligent?
Wie korrekt ist ChatGPT?
Grauzone des Rechts
Anzeige
Ältester Beleg für Pfeil und Bogen in Europa
Frühe Galaxien widersprechen gängiger Kosmologie
Infrarotblick in Herz einer Spiralgalaxie
Neuer Rekord für Fusionsanlage Wendelstein 7-X
Mars: Haben wir was übersehen?
Der größte Pinguin aller Zeiten
KI-System sagt amyotrophe Lateralsklerose (ALS) voraus
Im Erdkern schneit es aufwärts
Polarlichter auf allen vier großen Jupitermonden
Königliche Gewürze in 500 Jahre altem Schiffswrack
Schockwellen im kosmischen Netz
Special: Coronavirus und Covid-19
Mars: Haben wir was übersehen?
Neuer Rekord für Fusionsanlage Wendelstein 7-X
Bad Ems: Römer gruben knapp am Silber vorbei
Im Erdkern schneit es aufwärts
Königliche Gewürze in 500 Jahre altem Schiffswrack
Newsletter
Mindestens 36 Tote nach schweren Regenfällen in Brasilien
Fledermäuse - Geheimnisvolle Nachtschwärmer
weiter
Warum hat der Wintermond manchmal farbige Ringe?
Quiz: Leonardo da Vinci
ChatGPT und Co - Chance oder Risiko?
Die Ära der Cappuccino-Bären
Wo sind die Aliens?
Insekten auf dem Speiseplan
Schutz für sensible Systeme
https://www.mpg.de/19685091/MPF_2022_4
https://www.oeko.de/podcast/episode/nachhaltigkeit-durch-digitalisierung
https://geofon.gfz-potsdam.de/eqexplorer/
https://hybrid-societies.org/feed/podcast/roboter-wie-wir/
https://www.mpg.de/19308040/MPF_2022_3
© 1998 - 2023 MMCD NEW MEDIA, Düsseldorf
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Impressum
Datenschutz
Datenschutzeinstellungen

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
In den Schlagzeilen
Newsletter

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.textwidget > div.sb-quiz > a > img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
92

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that scinexx.de should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
3.6.1
FlexSlider
WordPress
core-js
core-js-global@3.6.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://cdn.privacy-mgmt.com/polyfills.d36c5.js
https://cdn.privacy-mgmt.com/polyfills.d36c5.js.map
https://cdn.privacy-mgmt.com/Notice.d7427.js
https://cdn.privacy-mgmt.com/Notice.d7427.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://scinexx.de/
Allowed
83

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for scinexx.de. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.textwidget > div.sb-quiz > a > img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
67

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of scinexx.de. This includes details about web app manifests.

Installable

Web app manifest and service worker meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.

PWA Optimized

Sets a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Provides a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 70
Performance 43
Accessibility 69
Best Practices 83
SEO 86
PWA 70
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://www.scinexx.de/
Updated: 25th February, 2023

1.43 seconds
First Contentful Paint (FCP)
84%
11%
5%

0.02 seconds
First Input Delay (FID)
95%
3%
2%

Simulate loading on mobile
43

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for scinexx.de. This includes details about optimizing page load times which can result in a better user experience.

Other

Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Scinexx.de should consider minifying CSS files.
Minify JavaScript
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Scinexx.de should consider minifying JS files.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 40 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://www.scinexx.de/
38.487
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Scinexx.de should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://scinexx.de/
630
https://www.scinexx.de/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Scinexx.de should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 11 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
10818
https://www.scinexx.de/
541
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
129
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.
URL Potential Savings (Ms)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
0
Avoids enormous network payloads — Total size was 1,950 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
145061
https://www.scinexx.de/wp-content/uploads/s/a/salzhydratg-990x556.jpg
105260
https://www.scinexx.de/wp-content/uploads/n/g/ngc628gg-1025x450.jpg
100179
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
84597
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g-990x522.jpg
72291
https://cdn.privacy-mgmt.com/Notice.d7427.js
70833
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/fonts/fontawesome-webfont.woff2
66962
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
61973
https://www.scinexx.de/wp-content/uploads/w/e/weinkraterg-640x360.jpg
56251
https://www.scinexx.de/wp-content/uploads/s/c/schlangenohr_g-640x360.jpg
53654
Avoid chaining critical requests — 10 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Scinexx.de should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 1.3 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://www.scinexx.de/
806.144
145.556
14.76
https://cdn.privacy-mgmt.com/Notice.d7427.js
451.42
398.48
12.932
https://www.scinexx.de/wp-includes/js/jquery/jquery.min.js
247.268
146.492
6.08
https://ssl.google-analytics.com/ga.js
245.044
241.732
2.652
Unattributable
228.66
15.372
0
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
220.296
173.512
7.58
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
149.936
53.004
42.808
https://cdn.privacy-mgmt.com/index.html?message_id=772938&consentUUID=undefined&preload_message=true&hasCsp=true&version=v1&consent_origin=https%3A%2F%2Fcdn.privacy-mgmt.com%2Fconsent%2Ftcfv2&mms_origin=https%3A%2F%2Fconsent.iqdigital.de%2Fmms%2Fv2
98.06
5.364
4.8
All text remains visible during webfont loads
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
Keep request counts low and transfer sizes small — 88 requests • 1,950 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
88
1997146
Image
52
1311840
Script
13
371375
Font
4
154700
Stylesheet
6
118334
Document
2
27029
Other
11
13868
Media
0
0
Third-party
28
541716
Minimize third-party usage — Third-party code blocked the main thread for 190 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
SHOW DETAILS
18146
189.672
SHOW DETAILS
62360
0
SHOW DETAILS
62280
0
SHOW DETAILS
41578
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Quantencomputer
Avoid large layout shifts — 4 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
body.home
0.17023261530211
Salzrätsel von Europa, Ceres und Co gelöst? Neuentdeckte Kochsalz-Hydrate könn…
0.0067561575460315
Scinexx
0.0017709927768591
Für die Ihnen angezeigten Verarbeitungszwecke können Cookies, Geräte-Kennungen …
5.5338541666667E-5
Uses passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Avoid long main-thread tasks — 8 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://cdn.privacy-mgmt.com/Notice.d7427.js
6903
356
https://ssl.google-analytics.com/ga.js
10352
244
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
5670
95
https://www.scinexx.de/
1808
89
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
4740
71
https://cdn.privacy-mgmt.com/Notice.d7427.js
6840
63
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
9360
62
https://www.scinexx.de/
1720
56
Avoid non-composited animations — 44 animated elements found
It is recommended to avoid non-composited animations which are often janky and increase CLS.
Element Name
div#herald-sidebar-right > div#custom_html-7 > div.textwidget > a
„Alien-artiger“ Hirnaktivität auf der Spur
Schutz für sensible Systeme
Ur-Massenaussterben mit aktuellem Bezug
Insekten auf dem Speiseplan
Fast Forward Science 2022/23
Infrarotblick in Herz einer Spiralgalaxie
Holzpfähle
Erdinneres
Newsletter
MaxPlanckForschung 4/2022 : Sinne - unser Draht zur Welt https://www.mpg.de/196…
Warum hat der Wintermond manchmal farbige Ringe?
div.row > div#herald-sidebar-right > div#text-21 > a.mediathek-link
Fledermäuse - Geheimnisvolle Nachtschwärmer
Pfeil und Bogen schon vor 54.000 Jahren
Saffran und Pfeffer
Wo sind die Aliens?
Insekten als Essen
Hacking
Special: Coronavirus und Covid-19
Podcast des Ökoinstituts : Nachhaltigkeit durch Digitalisierung? https://www.oe…
Podcast : Roboter wie wir - Asimovs Visionen und die Realität https://hybrid-so…
Corona
Weizen trotzt Trockenheit
weiter
div#herald-sidebar-right > div#text-21 > div.textwidget > a.mediathek-link
außerirdisches Raumschiff
MaxPlanckForschung 3/2022 : Gehen oder Bleiben? Mobilität und Migration bei Men…
Red-Stone-Tal
KI-System
Wendelstein 7-X
div#shortcodes-ultimate-6 > div.textwidget > div.sb-quiz > a
earthview
FFS22/23 Startschuss
Quiz: Leonardo da Vinci
Angesiedelt statt ausgerottet
Earthquake Explorer : Interaktive Karte aktueller Erdbeben https://geofon.gfz-p…
div#shortcodes-ultimate-5 > div.textwidget > div.sb-wissenswert > a
Wie der Menstruationszyklus Migräne beeinflusst
Die Ära der Cappuccino-Bären
Mindestens 36 Tote nach schweren Regenfällen in Brasilien
Bären
Zu den Doku-Tipps
ChatGPT und Co - Chance oder Risiko?
Image elements have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Audits

Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://scinexx.de/
http/1.1
0
24.582999991253
243
0
301
text/html
https://www.scinexx.de/
h2
24.804999935441
62.299999990501
24897
140579
200
text/html
Document
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
h2
69.619999965653
97.585999988951
44830
168448
200
text/javascript
Script
https://data-4754325bf6.scinexx.de/iomm/latest/manager/base/es6/bundle.js
h2
69.84399992507
153.04499992635
18879
60242
200
application/javascript
Script
https://data-4754325bf6.scinexx.de/iomm/latest/bootstrap/loader.js
h2
69.981999928132
140.31199994497
1045
666
200
application/javascript
Script
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-n2go-styles-9dc259eba9d48d0eccff65cefe374cb1.css
h2
70.133999921381
143.60599999782
52720
345649
200
text/css
Stylesheet
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-mks_shortcodes_simple_line_icons-03655ecb4c41e20421bcba36099e3a8a.css
h2
70.332999923266
86.260000010952
4967
23611
200
text/css
Stylesheet
https://www.scinexx.de/wp-includes/js/jquery/jquery.min.js
h2
70.556999999098
87.262999964878
30504
89684
200
application/javascript
Script
https://www.scinexx.de/wp-includes/js/jquery/jquery-migrate.min.js
h2
70.799999986775
97.990999929607
4315
11224
200
application/javascript
Script
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/fonts/open-sans-v13-latin_latin-ext-600.woff2
h2
70.959999924526
134.42999997642
24169
23832
200
font/woff2
Font
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/fonts/open-sans-v13-latin_latin-ext-regular.woff2
h2
71.037999936379
98.557999939658
23385
23048
200
font/woff2
Font
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/fonts/fontawesome-webfont.woff2
h2
71.16099994164
110.37699994631
66962
66624
200
font/woff2
Font
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/iqd_gzip_test.js.gz
http/1.1
71.332999970764
182.49299994204
387
23
200
application/x-gzip
Script
https://cdn1.readspeaker.com/script/10936/webReader/webReader.js?pids=wr
h2
71.456999983639
109.50999998022
23319
71374
200
application/javascript
Script
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/scinexx.png
h2
214.17499997187
229.21899997164
4748
4414
200
image/png
Image
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/das_wissensmagazin.png
h2
230.35899992101
244.30599994957
3852
3519
200
image/png
Image
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/scinexx_white.png
h2
245.26999995578
259.55499999691
1978
1645
200
image/png
Image
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
http/1.1
260.55399992038
381.42400002107
51535
51172
200
image/jpeg
Image
https://www.wissenschaft.de/wp-content/plugins/item-plenigo/img/bdw_plus_icon.png
http/1.1
313.72600002214
368.31799999345
1158
799
200
image/png
Image
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
http/1.1
359.26599998493
432.93100001756
26660
26317
200
image/jpeg
Image
https://www.wissenschaft.de/wp-content/uploads/A/d/AdobeStock_198888286_EA635F36-5B6D-491F-9392-C5FA9298940A-e1675692387197-300x197.jpg
http/1.1
359.44399994332
452.57900003344
19679
19336
200
image/jpeg
Image
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
http/1.1
359.6050000051
470.97699996084
45445
45102
200
image/jpeg
Image
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
http/1.1
359.73899997771
468.03200000431
45451
45108
200
image/jpeg
Image
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
http/1.1
359.84699998517
414.29699992295
28140
27797
200
image/jpeg
Image
https://www.scinexx.de/wp-content/uploads/L/o/Logo_mit_Zusatz.png
h2
359.95499999262
377.11300002411
11573
11224
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/b/a/base_neu2-768x384.jpg
h2
360.05599994678
377.49999994412
31347
30998
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/F/F/FFS_Wettbewerbsstart_2022_300x150.jpg
h2
360.1979999803
379.44900000002
42581
42232
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/l/e/leonardoquiz_teaser.jpg
h2
360.37799995393
379.15699998848
49027
48678
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/f/a/facebook.png
h2
360.50099995919
378.17099993117
535
190
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/t/w/twitter.png
h2
360.66399991978
378.34599998314
698
352
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/y/o/youtube.png
h2
360.84899993148
378.53200000245
660
314
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/r/s/rss.png
h2
361.00299993996
376.47799996193
674
328
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/o/b/oba.png
h2
361.14099994302
377.70700000692
832
486
200
image/webp
Image
https://www.scinexx.de/wp-content/uploads/i/q/iqd_mittelstand.png
h2
361.34800000582
376.82100001257
8760
8412
200
image/webp
Image
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-kv-override-e0bb80a917d1a79507d89c536ad229fd.css
h2
166.75999993458
209.05099995434
14145
77711
200
text/css
Stylesheet
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
h2
183.67800000124
203.37599993218
84597
295430
200
application/x-javascript
Script
https://consent.iqdigital.de/mms/v2/get_site_data?hasCsp=true&href=https%3A%2F%2Fwww.scinexx.de%2F&account_id=692
h2
122.99499998335
295.03099992871
764
198
200
application/javascript
XHR
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/cdn_scinexx_dt/live/iqadcontroller.js.gz
http/1.1
184.42800000776
307.44100001175
61973
259836
200
text/javascript
Script
https://cdn.privacy-mgmt.com/consent/tcfv2/vendor-list/latest-version?siteId=3734&accountId=692&hasCsp=true
h2
299.70199998934
321.74199994188
658
0
200
text/plain
Preflight
https://cdn.privacy-mgmt.com/consent/tcfv2/vendor-list/latest-version?siteId=3734&accountId=692&hasCsp=true
h2
321.98100001551
344.27200001664
867
205
200
application/json
XHR
https://cdn1.readspeaker.com/script/10936/webReader/r/r2218/ReadSpeaker.Styles-Button.css?v=3.7.0.2218
h2
357.6480000047
402.63399994001
38961
71539
200
text/css
Stylesheet
https://data-e807969afb.scinexx.de/iomb/latest/sensor/manager/base/es6/bundle.js
h2
365.27599999681
448.68899998255
10486
26653
200
application/javascript
Script
https://cdn.privacy-mgmt.com/wrapper/tcfv2/v2/gdpr/native-message/new-user?hasCsp=true&env=prod&body=%7B%22propertyId%22%3A3734%2C%22accountId%22%3A692%2C%22propertyHref%22%3A%22https%3A%2F%2Fwww.scinexx.de%2F%22%2C%22meta%22%3A%22%7B%5C%22mmsCookies%5C%22%3A%5B%5D%2C%5C%22resolved%5C%22%3Anull%7D%22%2C%22clientMMSOrigin%22%3A%22https%3A%2F%2Fconsent.iqdigital.de%22%2C%22targetingParams%22%3A%22%7B%7D%22%2C%22campaignEnv%22%3A%22prod%22%2C%22legalBasisChanges%22%3Afalse%2C%22vendorListAdditions%22%3Afalse%7D&nonkeyed=%7B%22_sp_v1_uid%22%3Anull%2C%22_sp_v1_data%22%3Anull%7D&scriptVersion=2.5.0&scriptType=tcfv2
h2
380.81200001761
403.48600002471
729
0
200
text/plain
Preflight
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XHR
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Stylesheet
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h2
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Script
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Script
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h2
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Font
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
65.134
9.937
106.022
17.744
145.506
7.333
152.892
10.153
315.187
6.294
321.504
47.682
371.96
6.243
399.951
28.01
434.8
15.932
453.576
21.575
475.554
15.445
491.005
44.306
538.199
9.296
553.126
5.002
559.413
11.131
571.479
8.54
582.01
5.003
587.48
7.264
595.899
6.573
603.362
7.183
612.245
10.998
627.943
61.122
696.399
6.453
708.903
6.732
719.037
15.86
741.601
89.016
830.849
6.378
838.966
18.142
857.123
8.046
879.303
5.183
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Metrics

Speed Index — 4.7 s
The time taken for the page contents to be visibly populated.
Total Blocking Time — 490 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.179
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Audits

First Meaningful Paint — 3.7 s
The time taken for the primary content of the page to be rendered.

Other

Eliminate render-blocking resources — Potential savings of 400 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Scinexx.de should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-n2go-styles-9dc259eba9d48d0eccff65cefe374cb1.css
52720
1500
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
44830
1680
https://www.scinexx.de/wp-includes/js/jquery/jquery.min.js
30504
450
https://cdn1.readspeaker.com/script/10936/webReader/webReader.js?pids=wr
23319
1380
Properly size images — Potential savings of 55 KiB
Images can slow down the page's load time. Scinexx.de should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/uploads/s/a/salzhydratg-990x556.jpg
104909
39342
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
6414
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
5793
https://www.scinexx.de/wp-content/uploads/b/a/base_neu2-768x384.jpg
30998
4924
Reduce unused CSS — Potential savings of 50 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Scinexx.de should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://cdn1.readspeaker.com/script/10936/webReader/r/r2218/ReadSpeaker.Styles-Button.css?v=3.7.0.2218
38961
38961
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-kv-override-e0bb80a917d1a79507d89c536ad229fd.css
14145
12605
Reduce unused JavaScript — Potential savings of 112 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/plugins/bwp-minify/cache/minify-b1-swv-d3acf7ebe2764d31cf0d66fc21d6eb2b.js
84597
70428
https://cdn.privacy-mgmt.com/Notice.d7427.js
70833
44077
Efficiently encode images — Potential savings of 106 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
36305
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
19304
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
19211
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
18812
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
14443
Avoid an excessive DOM size — 944 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
944
Maximum DOM Depth
div.entry-header > h4.entry-title > a > img.bdwplus
17
Maximum Child Elements
body.home
25
Minimize main-thread work — 2.6 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
1267.036
Style & Layout
458.636
Other
456.204
Parse HTML & CSS
137.244
Rendering
127.7
Script Parsing & Compilation
117.776
Garbage Collection
40.332

Metrics

First Contentful Paint — 3.7 s
The time taken for the first image or text on the page to be rendered.
Time to Interactive — 9.0 s
The time taken for the page to become fully interactive.
Largest Contentful Paint — 7.0 s
The timing of the largest text or image that is painted.

Audits

Max Potential First Input Delay — 360 ms
Users could experience a delay when interacting with the page.

Other

Defer offscreen images — Potential savings of 300 KiB
Time to Interactive can be slowed down by resources on the page. Scinexx.de should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
51172
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
45108
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
45102
https://www.scinexx.de/wp-content/uploads/F/F/FFS_Wettbewerbsstart_2022_300x150.jpg
42232
42232
https://www.scinexx.de/wp-content/uploads/b/a/base_neu2-768x384.jpg
30998
30998
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
27797
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
26317
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19336
19336
https://www.scinexx.de/wp-content/uploads/L/o/Logo_mit_Zusatz.png
11224
11224
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/scinexx.png
4414
4414
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/das_wissensmagazin.png
3519
3519
Serve images in next-gen formats — Potential savings of 436 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://www.scinexx.de/wp-content/uploads/q/u/quantenfehlerg-1-990x542.jpg
144710
50027.25
https://www.wissenschaft.de/wp-content/uploads/A/s/Assisted-first-migration-of-Northern-Bald-Ibises-photo-by-Helena-Wehner-300x200.jpg
45108
40875.25
https://www.scinexx.de/wp-content/uploads/n/g/ngc628gg-1025x450.jpg
99829
36846.35
https://www.scinexx.de/wp-content/uploads/s/a/salzhydratg-990x556.jpg
104909
35925.75
https://www.wissenschaft.de/wp-content/uploads/p/e/permian-diorama-umich_1139_990x742-300x207.jpeg
51172
31601.2
https://www.wissenschaft.de/wp-content/uploads/O/c/OctoShisa-300x214.jpg
45102
30074.9
https://www.scinexx.de/wp-content/uploads/c/h/chatgpt01g-990x522.jpg
71941
29378.05
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-23-pfeilbogen-300x187.jpg
27797
23604.1
https://www.wissenschaft.de/wp-content/uploads/2/3/23-02-24-migraine-300x183.jpg
26317
20291.7
https://www.scinexx.de/wp-content/uploads/s/c/schlangenohr_g-640x360.jpg
53305
19045.45
https://www.scinexx.de/wp-content/uploads/w/e/weinkraterg-640x360.jpg
55902
18333.25
https://www.scinexx.de/wp-content/uploads/h/i/hirnopg-640x360.jpg
36311
16510.9
https://www.scinexx.de/wp-content/uploads/w/e/wendelsteing-1-470x264.jpg
50466
15405.8
https://www.scinexx.de/wp-content/uploads/g/r/gribshundeng-470x264.jpg
36342
13053.75
https://www.scinexx.de/wp-content/uploads/s/e/sechsgalaxieng-470x264.jpg
33634
12289.45
https://www.scinexx.de/wp-content/uploads/c/o/cosmicwebg-1-470x264.jpg
33571
11410.4
https://www.scinexx.de/wp-content/uploads/a/l/alsdiagnoseg-470x264.jpg
32408
11385.4
https://www.scinexx.de/wp-content/uploads/p/i/pinguinfossilng-470x264.jpg
33788
11303.45
https://www.wissenschaft.de/wp-content/uploads/A/d/AdobeStock_198888286_EA635F36-5B6D-491F-9392-C5FA9298940A-e1675692387197-300x197.jpg
19336
9815.65
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28246
9124.9
Serve static assets with an efficient cache policy — 65 resources found
Scinexx.de can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://cdn1.readspeaker.com/script/10936/webReader/webReader.js?pids=wr
0
23319
https://s3-eu-central-1.amazonaws.com/prod.iqdcontroller.iqdigital/iqd_gzip_test.js.gz
0
387
https://cdn.privacy-mgmt.com/Notice.d7427.js
3600000
70833
https://gdpr-tcfv2.sp-prod.net/wrapperMessagingWithoutDetection.js
3600000
44830
https://cdn.privacy-mgmt.com/Notice.55a6a.css
3600000
6147
https://cdn.privacy-mgmt.com/polyfills.d36c5.js
3600000
2530
https://ssl.google-analytics.com/ga.js
7200000
17677
https://cdn1.readspeaker.com/script/10936/webReader/r/r2218/ReadSpeaker.Styles-Button.css?v=3.7.0.2218
86400000
38961
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604800000
145061
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604800000
105260
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604800000
100179
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604800000
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Largest Contentful Paint image was lazily loaded
Above-the-fold images that are lazily loaded render later in the page lifecycle, which can delay the largest contentful paint.
Element
Quantencomputer
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
SHOW DETAILS
SHOW DETAILS
SHOW DETAILS
First Contentful Paint (3G) — 7860 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.
69

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of scinexx.de. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have alternate text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Scinexx.de may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements
Quantencomputer knackt Fehlerproblem
Salzrätsel von Europa, Ceres und Co gelöst?
Schlangen sind doch nicht taub
Neue Analysemethode für Nano- und Quantenmaterialien entwickelt
Was Zentralamerika zum größten Zigarrenhersteller der Welt macht
Bio-Kunstrasen: nachhaltig, umweltfreundlich, spieltauglich
Stationäres Optiker-Geschäft in Zeiten der Digitalisierung
Auch Bioplastikflaschen halten Speiseöl lange frisch
Schädel-Chirurgie schon im bronzezeitlichen Israel
Meteoritenkrater in französischem Weingut entdeckt
ChatGPT und Co - Chance oder Risiko?
Durchbruch oder Hype?
Wie funktionieren ChatGPT und Co?
Ist ChatGPT intelligent?
Wie korrekt ist ChatGPT?
Grauzone des Rechts
Anzeige
Ältester Beleg für Pfeil und Bogen in Europa
Frühe Galaxien widersprechen gängiger Kosmologie
Infrarotblick in Herz einer Spiralgalaxie
Neuer Rekord für Fusionsanlage Wendelstein 7-X
Mars: Haben wir was übersehen?
Der größte Pinguin aller Zeiten
KI-System sagt amyotrophe Lateralsklerose (ALS) voraus
Im Erdkern schneit es aufwärts
Polarlichter auf allen vier großen Jupitermonden
Königliche Gewürze in 500 Jahre altem Schiffswrack
Schockwellen im kosmischen Netz
Special: Coronavirus und Covid-19
Mars: Haben wir was übersehen?
Neuer Rekord für Fusionsanlage Wendelstein 7-X
Bad Ems: Römer gruben knapp am Silber vorbei
Im Erdkern schneit es aufwärts
Königliche Gewürze in 500 Jahre altem Schiffswrack
Newsletter
Mindestens 36 Tote nach schweren Regenfällen in Brasilien
Fledermäuse - Geheimnisvolle Nachtschwärmer
weiter
Warum hat der Wintermond manchmal farbige Ringe?
Quiz: Leonardo da Vinci
ChatGPT und Co - Chance oder Risiko?
Die Ära der Cappuccino-Bären
Wo sind die Aliens?
Insekten auf dem Speiseplan
Schutz für sensible Systeme
https://www.mpg.de/19685091/MPF_2022_4
https://www.oeko.de/podcast/episode/nachhaltigkeit-durch-digitalisierung
https://geofon.gfz-potsdam.de/eqexplorer/
https://hybrid-societies.org/feed/podcast/roboter-wie-wir/
https://www.mpg.de/19308040/MPF_2022_3
© 1998 - 2023 MMCD NEW MEDIA, Düsseldorf
MMCD NEW MEDIA
Partner
AGB
Mediadaten
Impressum
Datenschutz
Datenschutzeinstellungen

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements
In den Schlagzeilen
Newsletter

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.textwidget > div.sb-quiz > a > img
Links do not have a discernible name
In order to improve the navigation for screen reader and other assistive technology users, use link text that is unique, focusable and discernible.

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
83

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that scinexx.de should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids front-end JavaScript libraries with known security vulnerabilities
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Displays images with correct aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
3.6.1
FlexSlider
WordPress
core-js
core-js-global@3.6.1
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
URL Map URL
https://cdn.privacy-mgmt.com/polyfills.d36c5.js
https://cdn.privacy-mgmt.com/polyfills.d36c5.js.map
https://cdn.privacy-mgmt.com/Notice.d7427.js
https://cdn.privacy-mgmt.com/Notice.d7427.js.map
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://scinexx.de/
Allowed

Audits

Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://www.scinexx.de/wp-content/themes/konradin-wissenschaft/assets/images/scinexx_white.png
120 x 29
120 x 29
240 x 58
86

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for scinexx.de. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Document uses legible font sizes — 61.19% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
SHOW DETAILS
SHOW DETAILS
11.68%
10px
SHOW DETAILS
SHOW DETAILS
7.89%
10px
SHOW DETAILS
SHOW DETAILS
3.83%
10px
SHOW DETAILS
SHOW DETAILS
1.85%
9px
SHOW DETAILS
SHOW DETAILS
1.82%
9px
SHOW DETAILS
SHOW DETAILS
1.65%
9px
SHOW DETAILS
SHOW DETAILS
1.54%
9px
SHOW DETAILS
SHOW DETAILS
0.90%
9px
SHOW DETAILS
SHOW DETAILS
0.88%
9px
SHOW DETAILS
SHOW DETAILS
0.83%
9px
SHOW DETAILS
SHOW DETAILS
0.79%
9px
SHOW DETAILS
SHOW DETAILS
0.79%
9px
SHOW DETAILS
SHOW DETAILS
0.74%
9px
SHOW DETAILS
SHOW DETAILS
0.72%
9px
SHOW DETAILS
SHOW DETAILS
0.55%
9px
SHOW DETAILS
SHOW DETAILS
0.50%
10px
SHOW DETAILS
SHOW DETAILS
0.20%
10px
SHOW DETAILS
1.69%
< 12px
SHOW DETAILS
61.19%
≥ 12px
Tap targets are sized appropriately — 100% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.col-lg-6 > div.herald-post-thumbnail > a > img.attachment-herald-lay-d
div.entry-header > h4.entry-title > a > img.bdwplus
div.textwidget > div.sb-quiz > a > img

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
70

PWA

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of scinexx.de. This includes details about web app manifests.

Installable

Web app manifest and service worker meet the installability requirements
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.

PWA Optimized

Sets a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of scinexx.de on mobile screens.
Provides a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 94.130.6.186
Continent: Europe
Country: Germany
Germany Flag
Region:
City:
Longitude: 9.491
Latitude: 51.2993
Currencies: EUR
Languages: German

Web Hosting Provider

Registration

Domain Registrant

Private Registration: No
Name:
Organization:
Country:
City:
State:
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness: 93/100
WOT Child Safety: 93/100
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: scinexx.datenkasten.de
Issued By: R3
Valid From: 18th January, 2023
Valid To: 18th April, 2023
Subject: CN = scinexx.datenkasten.de
Hash: 6fb9730b
Issuer: CN = R3
O = Let's Encrypt
S = US
Version: 2
Serial Number: 0x03AF628EDE204991642932751412103E53DB
Serial Number (Hex): 03AF628EDE204991642932751412103E53DB
Valid From: 18th January, 2024
Valid To: 18th April, 2024
Signature Algorithm (Short Name): RSA-SHA256
Signature Algorithm (Long Name): sha256WithRSAEncryption
Authority Key Identifier: keyid:14:2E:B3:17:B7:58:56:CB:AE:50:09:40:E6:1F:AF:9D:8B:14:C2:C6
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
Certificate Policies: Policy: 2.23.140.1.2.1
Policy: 1.3.6.1.4.1.44947.1.1.1
CPS: http://cps.letsencrypt.org
Authority Information Access: OCSP - URI:http://r3.o.lencr.org
CA Issuers - URI:http://r3.i.lencr.org/
SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : B7:3E:FB:24:DF:9C:4D:BA:75:F2:39:C5:BA:58:F4:6C:
5D:FC:42:CF:7A:9F:35:C4:9E:1D:09:81:25:ED:B4:99
Timestamp : Jan 18 07:01:10.792 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:DB:6D:15:B5:1C:C2:1A:68:E5:5D:35:
ED:1A:57:BA:C4:7C:F6:58:87:51:B1:94:3C:E5:91:73:
86:57:AD:31:76:02:21:00:EC:27:98:C1:E5:A5:E2:5F:
E8:21:38:91:E0:C2:C5:B8:F7:50:E3:EF:2F:89:BE:B5:
23:BE:15:A8:0F:74:89:21
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 7A:32:8C:54:D8:B7:2D:B6:20:EA:38:E0:52:1E:E9:84:
16:70:32:13:85:4D:3B:D2:2B:C1:3A:57:A3:52:EB:52
Timestamp : Jan 18 07:01:10.824 2023 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:46:02:21:00:E1:1C:EA:EF:88:75:FE:A3:D3:2A:3D:
63:F2:30:A2:C1:2F:88:6F:DD:4E:A1:FF:18:18:57:2F:
27:B7:2B:82:31:02:21:00:CF:6E:C4:54:49:BA:94:E8:
4F:78:98:D5:E7:D9:4F:D3:B0:DE:3D:56:F3:D0:57:F6:
99:77:54:8A:F0:B8:C0:5E
Key Usage: Digital Signature, Key Encipherment
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:scinexx.de
DNS:www.scinexx.de
DNS:scinexx.datenkasten.de
Technical

DNS Lookup

A Records

Host IP Address Class TTL
scinexx.de. 94.130.6.186 IN 3600

NS Records

Host Nameserver Class TTL
scinexx.de. ns1077.ui-dns.biz. IN 21600
scinexx.de. ns1077.ui-dns.de. IN 21600
scinexx.de. ns1077.ui-dns.com. IN 21600
scinexx.de. ns1077.ui-dns.org. IN 21600

MX Records

Priority Host Server Class TTL
10 scinexx.de. mx01.ionos.de. IN 3600
10 scinexx.de. mx00.ionos.de. IN 3600

SOA Records

Domain Name Primary NS Responsible Email TTL
scinexx.de. ns1077.ui-dns.de. hostmaster.1und1.com. 21600

TXT Records

Host Value Class TTL
scinexx.de. v=spf1 IN 3600
scinexx.de. google-site-verification=2xptb7PdR-vmNVse0U-dUvDzLw6VW4NIE2Jwc3foevU IN 3600

HTTP Response Headers

HTTP-Code: HTTP/1.1 200 OK
Server: nginx
Date: 25th February, 2023
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Vary: Accept-Encoding
Link: <https://www.scinexx.de/>; rel=shortlink
SNX-Cache: HIT
SNX-Cache-Skip: 0

Whois Lookup

Created:
Changed:
Expires:
Status:
Nameservers: ns1077.ui-dns.biz
ns1077.ui-dns.com
ns1077.ui-dns.de
ns1077.ui-dns.org
Full Whois: % Restricted rights.
%
% Terms and Conditions of Use
%
% The above data may only be used within the scope of technical or
% administrative necessities of Internet operation or to remedy legal
% problems.
% The use for other purposes, in particular for advertising, is not permitted.
%
% The DENIC whois service on port 43 doesn't disclose any information concerning
% the domain holder, general request and abuse contact.
% This information can be obtained through use of our web-based whois service
% available at the DENIC website:
% http://www.denic.de/en/domains/whois-service/web-whois.html
%
%

Domain: scinexx.de
Nserver: ns1077.ui-dns.biz
Nserver: ns1077.ui-dns.com
Nserver: ns1077.ui-dns.de
Nserver: ns1077.ui-dns.org
Status: connect
Changed: 2019-08-31T10:33:39+02:00
View Raw Whois

Nameservers

Name IP Address
ns1077.ui-dns.biz 217.160.81.77
ns1077.ui-dns.com 217.160.82.77
ns1077.ui-dns.de 217.160.80.77
ns1077.ui-dns.org 217.160.83.77
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