8.2 sec in total
1.8 sec
6.1 sec
261 ms
Welcome to studentenwerk.essen-duisburg.de homepage info - get ready to check Studentenwerk Essen Duisburg best content for Germany right away, or after learning these important things about studentenwerk.essen-duisburg.de
Das Studierendenwerk Essen-Duisburg ist der soziale Dienstleister für Studierende in den Städten Essen, Duisburg, Mülheim an der Ruhr und Bottrop.
Visit studentenwerk.essen-duisburg.deWe analyzed Studentenwerk.essen-duisburg.de page load time and found that the first response time was 1.8 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
studentenwerk.essen-duisburg.de performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value9.9 s
0/100
25%
Value13.1 s
2/100
10%
Value900 ms
32/100
30%
Value0.063
97/100
15%
Value17.1 s
4/100
10%
1816 ms
194 ms
51 ms
398 ms
209 ms
Our browser made a total of 127 requests to load all elements on the main page. We found that 41% of them (52 requests) were addressed to the original Studentenwerk.essen-duisburg.de, 17% (21 requests) were made to Static.xx.fbcdn.net and 13% (16 requests) were made to Pbs.twimg.com. The less responsive or slowest element that took the longest time to load (2.2 sec) belongs to the original domain Studentenwerk.essen-duisburg.de.
Page size can be reduced by 439.9 kB (20%)
2.2 MB
1.8 MB
In fact, the total size of Studentenwerk.essen-duisburg.de main page is 2.2 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. 70% of websites need less resources to load. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 69.4 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 15.7 kB, which is 18% 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 69.4 kB or 81% of the original size.
Potential reduce by 22.5 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. Studentenwerk Essen Duisburg images are well optimized though.
Potential reduce by 266.9 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 266.9 kB or 45% of the original size.
Potential reduce by 81.0 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. Studentenwerk.essen-duisburg.de needs all CSS files to be minified and compressed as it can save up to 81.0 kB or 84% of the original size.
Number of requests can be reduced by 52 (41%)
126
74
The browser has sent 126 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Studentenwerk Essen Duisburg. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
studentenwerk.essen-duisburg.de
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studentenwerk.essen-duisburg.de accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a valid value for its [lang] attribute.
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
studentenwerk.essen-duisburg.de best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
studentenwerk.essen-duisburg.de SEO score
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
Document uses legible font sizes
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Studentenwerk.essen-duisburg.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 Studentenwerk.essen-duisburg.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.
studentenwerk.essen-duisburg.de
Open Graph description is not detected on the main page of Studentenwerk Essen Duisburg. 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: