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www-st.inf.tu-dresden.de screenshot

Report Summary

  • 62

    Performance

    Renders faster than
    76% 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

www-st.inf.tu-dresden.de

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

Page Load Speed

12.2 sec in total

First Response

425 ms

Resources Loaded

11.6 sec

Page Rendered

207 ms

www-st.inf.tu-dresden.de screenshot

About Website

Welcome to www-st.inf.tu-dresden.de homepage info - get ready to check Www St Inf TU Dresden best content for Germany right away, or after learning these important things about www-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 www-st.inf.tu-dresden.de

Key Findings

We analyzed Www-st.inf.tu-dresden.de page load time and found that the first response time was 425 ms and then it took 11.8 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

www-st.inf.tu-dresden.de performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

42/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

7/100

25%

SI (Speed Index)

Value8.2 s

20/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.029

100/100

15%

TTI (Time to Interactive)

Value3.5 s

92/100

10%

Network Requests Diagram

www-st.inf.tu-dresden.de

425 ms

st

7180 ms

default.css

110 ms

common.css

437 ms

plone-legacy-compiled.css

316 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 Www-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 (7.2 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 Www-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. Www 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 Www St Inf TU Dresden. According to our analytics all requests are already optimized.

Network Requests Diagram

www-st.inf.tu-dresden.de

www-st.inf.tu-dresden.de

425 ms

st

st

7180 ms

default.css

default.css

110 ms

common.css

common.css

437 ms

plone-legacy-compiled.css

plone-legacy-compiled.css

316 ms

default.js

default.js

1076 ms

plone-legacy-compiled.js

plone-legacy-compiled.js

334 ms

flag-en.svg

flag-en.svg

111 ms

flag-de.svg

flag-de.svg

113 ms

tud-logo-white.svg

tud-logo-white.svg

211 ms

border-main.png

border-main.png

111 ms

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

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

2893 ms

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

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

220 ms

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

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

437 ms

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

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

557 ms

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

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

526 ms

ee0e46d5-efc8-4291-a720-d04f982f72b2.jpeg

ee0e46d5-efc8-4291-a720-d04f982f72b2.jpeg

330 ms

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

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

678 ms

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

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

439 ms

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

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

549 ms

tud-logo.svg

tud-logo.svg

548 ms

sachsen-signet-gruen.svg

sachsen-signet-gruen.svg

638 ms

opensans-regular.woff

opensans-regular.woff

557 ms

opensans-light.woff

opensans-light.woff

563 ms

opensans-semibold.woff

opensans-semibold.woff

576 ms

opensans-bold.woff

opensans-bold.woff

645 ms

tud-icons.woff

tud-icons.woff

666 ms

piwik.js

piwik.js

540 ms

piwik.js

piwik.js

630 ms

matomo.php

matomo.php

107 ms

matomo.php

matomo.php

132 ms

Accessibility Review

www-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

www-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

www-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 Www-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 Www-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

www-st.inf.tu-dresden.de

Open Graph description is not detected on the main page of Www 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: