Tools & Wizards About Us
biotec.tu-dresden.de screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

biotec.tu-dresden.de

Startseite Einrichtung — Biotechnology Center (BIOTEC) — TU Dresden

Page Load Speed

14.9 sec in total

First Response

408 ms

Resources Loaded

14.1 sec

Page Rendered

376 ms

biotec.tu-dresden.de screenshot

About Website

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

Fundamental biological discoveries are often driven by technological advances. The Biotechnology Center (BIOTEC) was founded in 2000 and is now one of the three institutes of the central scientific …

Visit biotec.tu-dresden.de

Key Findings

We analyzed Biotec.tu-dresden.de page load time and found that the first response time was 408 ms and then it took 14.5 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

biotec.tu-dresden.de performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.7 s

13/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value440 ms

64/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

biotec.tu-dresden.de

408 ms

biotec

4196 ms

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

112 ms

themetud.theme.webcms2cssanonymous.min-cachekey-39569553124b579e21ac861191e0fc40.css

336 ms

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

324 ms

Our browser made a total of 45 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Biotec.tu-dresden.de, 93% (42 requests) were made to Tu-dresden.de and 4% (2 requests) were made to Matomo.tu-dresden.de. The less responsive or slowest element that took the longest time to load (8.4 sec) relates to the external source Tu-dresden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 133.2 kB (19%)

Content Size

689.3 kB

After Optimization

556.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Biotec.tu-dresden.de main page is 689.3 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 537.4 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 74.2 kB

  • Original 86.1 kB
  • After minification 53.4 kB
  • After compression 11.9 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 32.6 kB, which is 38% 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 74.2 kB or 86% of the original size.

Image Optimization

-3%

Potential reduce by 14.6 kB

  • Original 537.4 kB
  • After minification 522.8 kB

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. BIOTEC 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 (39%)

Requests Now

38

After Optimization

23

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of BIOTEC 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

biotec.tu-dresden.de

biotec.tu-dresden.de

408 ms

biotec

biotec

4196 ms

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

resourcejquery-cachekey-4aef62994186a1329402f5a803951902.css

112 ms

themetud.theme.webcms2cssanonymous.min-cachekey-39569553124b579e21ac861191e0fc40.css

themetud.theme.webcms2cssanonymous.min-cachekey-39569553124b579e21ac861191e0fc40.css

336 ms

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

resourcecollective.js.leafletleaflet-cachekey-03ebb7b6e6c109684fb039f0928cef3f.css

324 ms

resourceplone.formwidget.contenttreecontenttree-cachekey-9e187886a470083b86c54480dcc551a6.css

resourceplone.formwidget.contenttreecontenttree-cachekey-9e187886a470083b86c54480dcc551a6.css

326 ms

themedefaultstyle-cachekey-219316c2cf5e8eb92d89e5de86e59d77.css

themedefaultstyle-cachekey-219316c2cf5e8eb92d89e5de86e59d77.css

333 ms

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-50553e4b69556aa50d82aba5632d47a1.css

resourcetud.addons.ma_lscr_mb_erunhide-cachekey-50553e4b69556aa50d82aba5632d47a1.css

334 ms

themetud.theme.webcms2jslibs.min-cachekey-cceeff44022c8b9738b0c058ab050f4c.js

themetud.theme.webcms2jslibs.min-cachekey-cceeff44022c8b9738b0c058ab050f4c.js

665 ms

jquery.highlightsearchterms-cachekey-a1ce68440fe5deb943580b9ea50c4ada.js

jquery.highlightsearchterms-cachekey-a1ce68440fe5deb943580b9ea50c4ada.js

431 ms

resourcetud.boxes.webcmsjsboard-cachekey-72191a955986516050201ff594285f6b.js

resourcetud.boxes.webcmsjsboard-cachekey-72191a955986516050201ff594285f6b.js

539 ms

OpenLayers-cachekey-2d62029ecb2341fde59382624d9e51f5.js

OpenLayers-cachekey-2d62029ecb2341fde59382624d9e51f5.js

885 ms

themetud.theme.webcms2jsmodules.min-cachekey-6661283fce715c7b9bfe5865ff4f49d6.js

themetud.theme.webcms2jsmodules.min-cachekey-6661283fce715c7b9bfe5865ff4f49d6.js

554 ms

resourcetud.datafilter.basemap_switch-cachekey-090dc0d87a39f61c010e188538e88cea.js

resourcetud.datafilter.basemap_switch-cachekey-090dc0d87a39f61c010e188538e88cea.js

444 ms

popupforms-cachekey-6996a3be3ea65a5ebfdd5391e4e3b146.js

popupforms-cachekey-6996a3be3ea65a5ebfdd5391e4e3b146.js

538 ms

formUnload-cachekey-cf22b04436c618a7e388ee58632567f8.js

formUnload-cachekey-cf22b04436c618a7e388ee58632567f8.js

555 ms

unlockOnFormUnload-cachekey-8013e740e9068962b3206a67629e6b79.js

unlockOnFormUnload-cachekey-8013e740e9068962b3206a67629e6b79.js

645 ms

flag-en.svg

flag-en.svg

337 ms

flag-de.svg

flag-de.svg

345 ms

tud-logo-white.svg

tud-logo-white.svg

354 ms

border-main.png

border-main.png

347 ms

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240 ms

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241 ms

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460 ms

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8405 ms

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455 ms

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463 ms

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464 ms

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608 ms

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1602 ms

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3264 ms

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572 ms

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581 ms

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

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

684 ms

tud-logo.svg

tud-logo.svg

694 ms

sachsen-signet-gruen.svg

sachsen-signet-gruen.svg

719 ms

opensans-regular.woff

opensans-regular.woff

1164 ms

opensans-light.woff

opensans-light.woff

737 ms

opensans-semibold.woff

opensans-semibold.woff

1078 ms

opensans-bold.woff

opensans-bold.woff

1511 ms

tud-icons.woff

tud-icons.woff

1299 ms

piwik.js

piwik.js

675 ms

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1120 ms

piwik.php

piwik.php

148 ms

themetud.theme.webcms2cssprint.min-cachekey-2f1355a660b29a22cd859921aabe5a93.css

themetud.theme.webcms2cssprint.min-cachekey-2f1355a660b29a22cd859921aabe5a93.css

112 ms

Accessibility Review

biotec.tu-dresden.de accessibility score

90

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

biotec.tu-dresden.de best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

biotec.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 Biotec.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 Biotec.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

biotec.tu-dresden.de

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