Report Summary

  • 17

    Performance

    Renders faster than
    36% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    65% of websites

  • 96

    SEO

    Google-friendlier than
    93% of websites

uni-stuttgart.de

Universität Stuttgart

Page Load Speed

6.8 sec in total

First Response

300 ms

Resources Loaded

6.3 sec

Page Rendered

151 ms

uni-stuttgart.de screenshot

About Website

Click here to check amazing Uni Stuttgart content for Germany. Otherwise, check out these important facts you probably never knew about uni-stuttgart.de

Die Universität Stuttgart ist eine führende technisch orientierte Universität mit weltweiter Ausstrahlung. Ihr Weg ist die interdisziplinäre Integration von Ingenieur-, Natur-, Geistes- und Gesellscha...

Visit uni-stuttgart.de

Key Findings

We analyzed Uni-stuttgart.de page load time and found that the first response time was 300 ms and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

uni-stuttgart.de performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value9.5 s

0/100

10%

LCP (Largest Contentful Paint)

Value17.0 s

0/100

25%

SI (Speed Index)

Value12.8 s

2/100

10%

TBT (Total Blocking Time)

Value520 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value1.015

2/100

15%

TTI (Time to Interactive)

Value25.0 s

0/100

10%

Network Requests Diagram

uni-stuttgart.de

300 ms

www.uni-stuttgart.de

299 ms

198 ms

calendar.css

426 ms

standard_xhtml_2.0.css

924 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that all of those requests were addressed to Uni-stuttgart.de and no external sources were called. The less responsive or slowest element that took the longest time to load (3.5 sec) belongs to the original domain Uni-stuttgart.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 222.9 kB (31%)

Content Size

720.5 kB

After Optimization

497.5 kB

In fact, the total size of Uni-stuttgart.de main page is 720.5 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. 25% of websites need less resources to load. Images take 493.4 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 20.9 kB

  • Original 26.9 kB
  • After minification 23.9 kB
  • After compression 6.0 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 3.0 kB, which is 11% 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 20.9 kB or 78% of the original size.

Image Optimization

-7%

Potential reduce by 35.4 kB

  • Original 493.4 kB
  • After minification 458.0 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. Uni Stuttgart images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 441 B

  • Original 635 B
  • After minification 372 B
  • After compression 194 B

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 441 B or 69% of the original size.

CSS Optimization

-83%

Potential reduce by 166.3 kB

  • Original 199.6 kB
  • After minification 173.4 kB
  • After compression 33.4 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Uni-stuttgart.de needs all CSS files to be minified and compressed as it can save up to 166.3 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (47%)

Requests Now

36

After Optimization

19

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uni Stuttgart. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

uni-stuttgart.de accessibility score

98

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Best Practices

uni-stuttgart.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

Page has valid source maps

SEO Factors

uni-stuttgart.de SEO score

96

Search Engine Optimization Advices

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

    DE

  • Language Claimed

    DE

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uni-stuttgart.de can be misinterpreted by Google and other search engines. Our service has detected that German is used on the page, and it matches the claimed language. Our system also found out that Uni-stuttgart.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

Open Graph description is not detected on the main page of Uni Stuttgart. 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: