Report Summary

  • 91

    Performance

    Renders faster than
    91% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 62% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

uni-bielefeld.de

Bielefeld University

Page Load Speed

19.1 sec in total

First Response

588 ms

Resources Loaded

12.9 sec

Page Rendered

5.6 sec

uni-bielefeld.de screenshot

About Website

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

As a university internationally regarded for its top-level research and innovative teaching concepts, Bielefeld University makes a significant contribution to a progressive and participatory knowledge...

Visit uni-bielefeld.de

Key Findings

We analyzed Uni-bielefeld.de page load time and found that the first response time was 588 ms and then it took 18.5 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

uni-bielefeld.de performance score

91

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.0 s

85/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

75/100

25%

SI (Speed Index)

Value3.8 s

84/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value2.0 s

99/100

10%

Network Requests Diagram

uni-bielefeld.de

588 ms

portal_2017.css

558 ms

CrossPlatform.js

208 ms

Popup.js

148 ms

homepage_2017.css

428 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 89% of them (58 requests) were addressed to the original Uni-bielefeld.de, 9% (6 requests) were made to Ekvv.uni-bielefeld.de and 2% (1 request) were made to Webstat.uni-bielefeld.de. The less responsive or slowest element that took the longest time to load (6.2 sec) relates to the external source Ekvv.uni-bielefeld.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 343.6 kB (59%)

Content Size

583.9 kB

After Optimization

240.2 kB

In fact, the total size of Uni-bielefeld.de main page is 583.9 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. 55% of websites need less resources to load. Images take 415.6 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 40.5 kB

  • Original 50.6 kB
  • After minification 47.2 kB
  • After compression 10.0 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.5 kB or 80% of the original size.

Image Optimization

-54%

Potential reduce by 226.0 kB

  • Original 415.6 kB
  • After minification 189.6 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. Obviously, Uni Bielefeld needs image optimization as it can save up to 226.0 kB or 54% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 77.1 kB

  • Original 117.7 kB
  • After minification 117.7 kB
  • After compression 40.6 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 77.1 kB or 66% of the original size.

Requests Breakdown

Number of requests can be reduced by 32 (51%)

Requests Now

63

After Optimization

31

The browser has sent 63 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uni Bielefeld. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

uni-bielefeld.de accessibility score

86

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

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

uni-bielefeld.de best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

uni-bielefeld.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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uni-bielefeld.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Uni-bielefeld.de main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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