Tools & Wizards About Us

Report Summary

  • 69

    Performance

    Renders faster than
    80% of other websites

  • 73

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

uni-halle.de

Creating knowledge since 1502

Page Load Speed

3.9 sec in total

First Response

358 ms

Resources Loaded

3.4 sec

Page Rendered

136 ms

About Website

Visit uni-halle.de now to see the best up-to-date Uni Halle content for Germany and also check out these interesting facts you probably never knew about uni-halle.de

Startseite der Martin-Luther-Universität Halle-Wittenberg.

Visit uni-halle.de

Key Findings

We analyzed Uni-halle.de page load time and found that the first response time was 358 ms and then it took 3.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

uni-halle.de performance score

69

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

54/100

10%

LCP (Largest Contentful Paint)

Value6.8 s

7/100

25%

SI (Speed Index)

Value4.6 s

70/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.019

100/100

15%

TTI (Time to Interactive)

Value2.9 s

96/100

10%

Network Requests Diagram

uni-halle.de

358 ms

www.uni-halle.de

566 ms

styles.css

318 ms

highslide.css

316 ms

cookies.js

325 ms

Our browser made a total of 44 requests to load all elements on the main page. We found that 95% of them (42 requests) were addressed to the original Uni-halle.de, 5% (2 requests) were made to Piwik.urz.uni-halle.de. The less responsive or slowest element that took the longest time to load (1.6 sec) belongs to the original domain Uni-halle.de.

Page Optimization Overview & Recommendations

Page size can be reduced by 35.8 kB (15%)

Content Size

241.4 kB

After Optimization

205.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uni-halle.de main page is 241.4 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. 20% of websites need less resources to load. Images take 168.8 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 19.0 kB

  • Original 24.7 kB
  • After minification 21.8 kB
  • After compression 5.8 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 2.9 kB, which is 12% 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 19.0 kB or 77% of the original size.

Image Optimization

-5%

Potential reduce by 8.6 kB

  • Original 168.8 kB
  • After minification 160.2 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 Halle images are well optimized though.

JavaScript Optimization

-12%

Potential reduce by 4.4 kB

  • Original 37.1 kB
  • After minification 37.1 kB
  • After compression 32.7 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 4.4 kB or 12% of the original size.

CSS Optimization

-35%

Potential reduce by 3.8 kB

  • Original 10.7 kB
  • After minification 10.2 kB
  • After compression 6.9 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-halle.de needs all CSS files to be minified and compressed as it can save up to 3.8 kB or 35% of the original size.

Requests Breakdown

Number of requests can be reduced by 26 (63%)

Requests Now

41

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uni Halle. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

uni-halle.de accessibility score

73

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

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

Image elements do not have [alt] attributes

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>).

Best Practices

uni-halle.de best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

uni-halle.de SEO score

62

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

robots.txt is not valid

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    EN

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Uni-halle.de can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else), while the claimed language is English. Our system also found out that Uni-halle.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 Halle. 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: