Tools & Wizards About Us
st.inf.tu-dresden.de screenshot

Report Summary

  • 63

    Performance

    Renders faster than
    77% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

st.inf.tu-dresden.de

Startpage Software Technology Group — Chair of Software Technology — TU Dresden

Page Load Speed

8.8 sec in total

First Response

210 ms

Resources Loaded

8.4 sec

Page Rendered

208 ms

st.inf.tu-dresden.de screenshot

About Website

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

The development and maintenance of future software systems should be as easy as possible whilst beeing cost-efficient. The research focus of the Software Technology Group at TU Dresden is, hence, on …

Visit st.inf.tu-dresden.de

Key Findings

We analyzed St.inf.tu-dresden.de page load time and found that the first response time was 210 ms and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

st.inf.tu-dresden.de performance score

63

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value120 ms

97/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value3.7 s

90/100

10%

Network Requests Diagram

st.inf.tu-dresden.de

210 ms

st

4086 ms

default.css

110 ms

common.css

435 ms

plone-legacy-compiled.css

326 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original St.inf.tu-dresden.de, 84% (26 requests) were made to Tu-dresden.de and 6% (2 requests) were made to Piwik.mz.tu-dresden.de. The less responsive or slowest element that took the longest time to load (4.1 sec) relates to the external source Tu-dresden.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 193.3 kB (12%)

Content Size

1.6 MB

After Optimization

1.4 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of St.inf.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. 30% of websites need less resources to load. Images take 1.5 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 40.0 kB

  • Original 47.0 kB
  • After minification 30.9 kB
  • After compression 7.0 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 16.1 kB, which is 34% 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 40.0 kB or 85% of the original size.

Image Optimization

-7%

Potential reduce by 108.9 kB

  • Original 1.5 MB
  • After minification 1.3 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. St Inf 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

We found no issues to fix!

Requests Now

22

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St Inf TU Dresden. According to our analytics all requests are already optimized.

Network Requests Diagram

st.inf.tu-dresden.de

st.inf.tu-dresden.de

210 ms

st

st

4086 ms

default.css

default.css

110 ms

common.css

common.css

435 ms

plone-legacy-compiled.css

plone-legacy-compiled.css

326 ms

default.js

default.js

1086 ms

plone-legacy-compiled.js

plone-legacy-compiled.js

338 ms

flag-en.svg

flag-en.svg

111 ms

flag-de.svg

flag-de.svg

109 ms

tud-logo-white.svg

tud-logo-white.svg

111 ms

border-main.png

border-main.png

113 ms

18b2e123-05d0-4eef-a919-a36b61758661.png

18b2e123-05d0-4eef-a919-a36b61758661.png

3000 ms

e3b21712-8a8c-4490-ad53-04ec21bbcb3a.jpeg

e3b21712-8a8c-4490-ad53-04ec21bbcb3a.jpeg

475 ms

00e68d03-9d09-42c3-8eaa-292a67f3acfd.jpeg

00e68d03-9d09-42c3-8eaa-292a67f3acfd.jpeg

218 ms

86f81f0b-b829-40ec-80a2-015005824f07.jpeg

86f81f0b-b829-40ec-80a2-015005824f07.jpeg

219 ms

b484cda8-7e00-434c-941f-2c15e5d36399.jpeg

b484cda8-7e00-434c-941f-2c15e5d36399.jpeg

490 ms

ee0e46d5-efc8-4291-a720-d04f982f72b2.jpeg

ee0e46d5-efc8-4291-a720-d04f982f72b2.jpeg

328 ms

3948b52b-07df-4677-aff9-4ff6fd57bc39.jpeg

3948b52b-07df-4677-aff9-4ff6fd57bc39.jpeg

658 ms

5233ee1d-730a-49f4-92a7-a45eb78ee135.png

5233ee1d-730a-49f4-92a7-a45eb78ee135.png

328 ms

97b4d0d8-24d1-4244-9319-fc56a85de326.jpeg

97b4d0d8-24d1-4244-9319-fc56a85de326.jpeg

435 ms

tud-logo.svg

tud-logo.svg

437 ms

sachsen-signet-gruen.svg

sachsen-signet-gruen.svg

544 ms

opensans-regular.woff

opensans-regular.woff

471 ms

opensans-light.woff

opensans-light.woff

507 ms

opensans-semibold.woff

opensans-semibold.woff

525 ms

opensans-bold.woff

opensans-bold.woff

575 ms

tud-icons.woff

tud-icons.woff

582 ms

piwik.js

piwik.js

453 ms

piwik.js

piwik.js

633 ms

matomo.php

matomo.php

112 ms

matomo.php

matomo.php

165 ms

Accessibility Review

st.inf.tu-dresden.de accessibility score

87

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-hidden="true"] elements contain focusable descendents

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

st.inf.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

st.inf.tu-dresden.de SEO score

92

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 St.inf.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 St.inf.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

st.inf.tu-dresden.de

Open Graph description is not detected on the main page of St Inf TU Dresden. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: