Tools & Wizards About Us
tu-dresden.de screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

tu-dresden.de

Technische Universität Dresden — TU Dresden

Page Load Speed

15.6 sec in total

First Response

321 ms

Resources Loaded

14.9 sec

Page Rendered

413 ms

tu-dresden.de screenshot

About Website

Click here to check amazing TU Dresden content for Germany. Otherwise, check out these important facts you probably never knew about tu-dresden.de

TU Dresden: an excellent place to study, research and work. 43,000 people – 125 nations – one university. Inquisitive, dedicated, innovative – with prime connections to science, industry and society.

Visit tu-dresden.de

Key Findings

We analyzed Tu-dresden.de page load time and found that the first response time was 321 ms and then it took 15.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

tu-dresden.de performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value580 ms

51/100

30%

CLS (Cumulative Layout Shift)

Value0.429

22/100

15%

TTI (Time to Interactive)

Value5.3 s

72/100

10%

Network Requests Diagram

tu-dresden.de

321 ms

tu-dresden.de

11621 ms

resourcejquery-cachekey-03d3e5535f413e704800c7aa89083345.css

113 ms

themetud.theme.webcms2cssanonymous.min-cachekey-304b575f06c4085637ac849ba03a6cf1.css

335 ms

resourcecollective.js.leafletleaflet-cachekey-f02618bc61a2318b3ec8480bbf12cdd8.css

316 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 96% of them (50 requests) were addressed to the original Tu-dresden.de, 4% (2 requests) were made to Matomo.tu-dresden.de. The less responsive or slowest element that took the longest time to load (11.6 sec) belongs to the original domain Tu-dresden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 194.0 kB (12%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Tu-dresden.de main page is 1.6 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 110.3 kB

  • Original 124.8 kB
  • After minification 79.5 kB
  • After compression 14.4 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 45.3 kB, which is 36% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 110.3 kB or 88% of the original size.

Image Optimization

-3%

Potential reduce by 39.2 kB

  • Original 1.4 MB
  • After minification 1.4 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. TU Dresden images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 44.4 kB

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 21.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 44.4 kB or 67% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (33%)

Requests Now

45

After Optimization

30

  • Images
  • JavaScript
  • CSS

The browser has sent 45 CSS, Javascripts, AJAX and image requests in order to completely render the main page of TU Dresden. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tu-dresden.de

tu-dresden.de

321 ms

tu-dresden.de

tu-dresden.de

11621 ms

resourcejquery-cachekey-03d3e5535f413e704800c7aa89083345.css

resourcejquery-cachekey-03d3e5535f413e704800c7aa89083345.css

113 ms

themetud.theme.webcms2cssanonymous.min-cachekey-304b575f06c4085637ac849ba03a6cf1.css

themetud.theme.webcms2cssanonymous.min-cachekey-304b575f06c4085637ac849ba03a6cf1.css

335 ms

resourcecollective.js.leafletleaflet-cachekey-f02618bc61a2318b3ec8480bbf12cdd8.css

resourcecollective.js.leafletleaflet-cachekey-f02618bc61a2318b3ec8480bbf12cdd8.css

316 ms

resourceplone.formwidget.contenttreecontenttree-cachekey-7ad7534ca10c749db748cbe9887fae4d.css

resourceplone.formwidget.contenttreecontenttree-cachekey-7ad7534ca10c749db748cbe9887fae4d.css

326 ms

themedefaultstyle-cachekey-73258ef736dcd895d89648bbf75946ee.css

themedefaultstyle-cachekey-73258ef736dcd895d89648bbf75946ee.css

326 ms

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-5640d5a523cb5a6826ff1a2b62633a6f.css

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-5640d5a523cb5a6826ff1a2b62633a6f.css

329 ms

themetud.theme.webcms2jslibs.min-cachekey-237bb0589625c13cfa71782549bd8384.js

themetud.theme.webcms2jslibs.min-cachekey-237bb0589625c13cfa71782549bd8384.js

662 ms

jquery.highlightsearchterms-cachekey-972940857a0b0f2f4c998ec45c98fb35.js

jquery.highlightsearchterms-cachekey-972940857a0b0f2f4c998ec45c98fb35.js

420 ms

resourcetud.boxes.webcmsjsboard-cachekey-ac7c9ff717dc82c2775631377ecbc9f6.js

resourcetud.boxes.webcmsjsboard-cachekey-ac7c9ff717dc82c2775631377ecbc9f6.js

540 ms

OpenLayers-cachekey-5dd273e23450ead5b10e9fd99f783e8f.js

OpenLayers-cachekey-5dd273e23450ead5b10e9fd99f783e8f.js

862 ms

themetud.theme.webcms2jsmodules.min-cachekey-e740b0fc97c062f914683fdc7a8c9111.js

themetud.theme.webcms2jsmodules.min-cachekey-e740b0fc97c062f914683fdc7a8c9111.js

541 ms

resourcetud.datafilter.basemap_switch-cachekey-d7c70f518a0710e8552d9d85243a36a1.js

resourcetud.datafilter.basemap_switch-cachekey-d7c70f518a0710e8552d9d85243a36a1.js

445 ms

popupforms-cachekey-7a046f939fbaf746e6382aaebf6a1649.js

popupforms-cachekey-7a046f939fbaf746e6382aaebf6a1649.js

524 ms

formUnload-cachekey-284b7c20c3dcc1d1efa81cf9266df450.js

formUnload-cachekey-284b7c20c3dcc1d1efa81cf9266df450.js

557 ms

unlockOnFormUnload-cachekey-fa08c76b472927b0041baf96f4227130.js

unlockOnFormUnload-cachekey-fa08c76b472927b0041baf96f4227130.js

629 ms

flag-en.svg

flag-en.svg

249 ms

flag-de.svg

flag-de.svg

247 ms

border-main.png

border-main.png

248 ms

tud-logo.svg

tud-logo.svg

1849 ms

ebe88baf-7258-4f0b-bf9e-cfcea47ba263.png

ebe88baf-7258-4f0b-bf9e-cfcea47ba263.png

430 ms

09ed3cbd-b7e5-4b60-b2a7-bdd973c9a2b9.jpeg

09ed3cbd-b7e5-4b60-b2a7-bdd973c9a2b9.jpeg

245 ms

cbe6c22d-b70d-4cb0-9af3-5e4cb87510d2.jpeg

cbe6c22d-b70d-4cb0-9af3-5e4cb87510d2.jpeg

250 ms

1a08344b-2151-4bd7-b9d9-06c9e8542762.jpeg

1a08344b-2151-4bd7-b9d9-06c9e8542762.jpeg

430 ms

b421a867-5421-4a94-bfd2-9ce0cf867df2.jpeg

b421a867-5421-4a94-bfd2-9ce0cf867df2.jpeg

335 ms

99c8d4b9-6578-4fa7-a002-3b55ff3a9738.png

99c8d4b9-6578-4fa7-a002-3b55ff3a9738.png

460 ms

b7578061-ebfd-4edd-8205-f98dae0d6c53.jpeg

b7578061-ebfd-4edd-8205-f98dae0d6c53.jpeg

327 ms

2c6de7a4-4e9c-4fab-bab1-620875349a20.png

2c6de7a4-4e9c-4fab-bab1-620875349a20.png

434 ms

675c9921-df22-400e-958b-2231d9ae8a4b.jpeg

675c9921-df22-400e-958b-2231d9ae8a4b.jpeg

551 ms

7f31afa9-d6aa-4910-90e0-3ad439965449.png

7f31afa9-d6aa-4910-90e0-3ad439965449.png

538 ms

@@preview

@@preview

741 ms

video-overlay_youtube.svg

video-overlay_youtube.svg

547 ms

f65b5d40-94bd-4e99-a87e-70efe1ba2d45.jpeg

f65b5d40-94bd-4e99-a87e-70efe1ba2d45.jpeg

573 ms

b1710fb4-d57f-4361-8cc3-20d9c7dafef5.jpeg

b1710fb4-d57f-4361-8cc3-20d9c7dafef5.jpeg

649 ms

3e4f3761-9627-4c94-9086-dbff8553d85c.jpeg

3e4f3761-9627-4c94-9086-dbff8553d85c.jpeg

655 ms

9a68bc42-8cbb-469d-8a17-9d8b2bd338df.jpeg

9a68bc42-8cbb-469d-8a17-9d8b2bd338df.jpeg

659 ms

0da728d2-809e-44c3-9d56-21133d9f3d35.jpeg

0da728d2-809e-44c3-9d56-21133d9f3d35.jpeg

684 ms

lighthouse.svg

lighthouse.svg

761 ms

9a75e675-75e2-49ae-84f2-a1f82761f7ee.jpeg

9a75e675-75e2-49ae-84f2-a1f82761f7ee.jpeg

763 ms

ae51ba09-44ea-4bed-8b6c-f06ea1624c3c.jpeg

ae51ba09-44ea-4bed-8b6c-f06ea1624c3c.jpeg

767 ms

sachsen-signet-gruen.svg

sachsen-signet-gruen.svg

1854 ms

opensans-regular.woff

opensans-regular.woff

765 ms

opensans-light.woff

opensans-light.woff

788 ms

opensans-semibold.woff

opensans-semibold.woff

823 ms

opensans-bold.woff

opensans-bold.woff

824 ms

tud-icons.woff

tud-icons.woff

875 ms

piwik.js

piwik.js

822 ms

2e430cfd-7087-47a3-84e2-9f14147abd3d.png

2e430cfd-7087-47a3-84e2-9f14147abd3d.png

746 ms

67db6212-4fde-4c75-b77f-9bd334293da6.jpeg

67db6212-4fde-4c75-b77f-9bd334293da6.jpeg

746 ms

piwik.php

piwik.php

139 ms

themetud.theme.webcms2cssprint.min-cachekey-67f1460e6cf1b5dde0d6ae518a193938.css

themetud.theme.webcms2cssprint.min-cachekey-67f1460e6cf1b5dde0d6ae518a193938.css

113 ms

Accessibility Review

tu-dresden.de accessibility score

89

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Links do not have a discernible name

Best Practices

tu-dresden.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

tu-dresden.de SEO score

90

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tu-dresden.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Tu-dresden.de main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

tu-dresden.de

Open Graph data is detected on the main page of TU Dresden. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: