3.8 sec in total
402 ms
3.1 sec
327 ms
Welcome to mediendidaktik.uni-duisburg-essen.de homepage info - get ready to check Mediendidaktik Uni Duisburg Essen best content for Germany right away, or after learning these important things about mediendidaktik.uni-duisburg-essen.de
Visit mediendidaktik.uni-duisburg-essen.deWe analyzed Mediendidaktik.uni-duisburg-essen.de page load time and found that the first response time was 402 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
mediendidaktik.uni-duisburg-essen.de performance score
name
value
score
weighting
Value2.6 s
65/100
10%
Value11.1 s
0/100
25%
Value4.0 s
81/100
10%
Value30 ms
100/100
30%
Value0.305
38/100
15%
Value3.0 s
96/100
10%
402 ms
304 ms
407 ms
97 ms
193 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Mediendidaktik.uni-duisburg-essen.de, 94% (34 requests) were made to Learninglab.uni-due.de and 3% (1 request) were made to Uni-due.de. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Learninglab.uni-due.de.
Page size can be reduced by 1.2 MB (36%)
3.4 MB
2.2 MB
In fact, the total size of Mediendidaktik.uni-duisburg-essen.de main page is 3.4 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 3.2 MB which makes up the majority of the site volume.
Potential reduce by 49.2 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 49.2 kB or 81% of the original size.
Potential reduce by 1.1 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. Obviously, Mediendidaktik Uni Duisburg Essen needs image optimization as it can save up to 1.1 MB or 35% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 18.5 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 18.5 kB or 21% of the original size.
Potential reduce by 213 B
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. Mediendidaktik.uni-duisburg-essen.de has all CSS files already compressed.
Number of requests can be reduced by 10 (30%)
33
23
The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mediendidaktik Uni Duisburg Essen. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.
mediendidaktik.uni-duisburg-essen.de
402 ms
learninglab.uni-due.de
304 ms
learninglab.uni-due.de
407 ms
css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css
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css_b-Oxe_wJeUHlQ0GvAr5Qt5sKoIm6DPqnH9SJDUZhSrU.css
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js_pTA6geK2jzzMJqLhqHk0rrD9u1vN1P1J_BC-7zCbIbM.js
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image.php
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ude-logo.png
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mediendidaktik6_0.jpg
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Medien.jpg
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mediendidaktik.uni-duisburg-essen.de accessibility score
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 [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
Image elements do not have [alt] attributes
Links do not have a discernible name
mediendidaktik.uni-duisburg-essen.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
mediendidaktik.uni-duisburg-essen.de SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
Tap targets are not sized appropriately
DE
DE
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Mediendidaktik.uni-duisburg-essen.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 Mediendidaktik.uni-duisburg-essen.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.
mediendidaktik.uni-duisburg-essen.de
Open Graph description is not detected on the main page of Mediendidaktik Uni Duisburg Essen. 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: