5.2 sec in total
350 ms
4.7 sec
176 ms
Welcome to uni-duisburg-essen.de homepage info - get ready to check Uni Duisburg Essen best content for Germany right away, or after learning these important things about uni-duisburg-essen.de
Visit uni-duisburg-essen.deWe analyzed Uni-duisburg-essen.de page load time and found that the first response time was 350 ms and then it took 4.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
uni-duisburg-essen.de performance score
name
value
score
weighting
Value3.2 s
44/100
10%
Value4.6 s
34/100
25%
Value6.2 s
43/100
10%
Value290 ms
80/100
30%
Value0.015
100/100
15%
Value27.2 s
0/100
10%
350 ms
783 ms
524 ms
318 ms
321 ms
Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Uni-duisburg-essen.de, 98% (53 requests) were made to Uni-due.de. The less responsive or slowest element that took the longest time to load (2.6 sec) relates to the external source Uni-due.de.
Page size can be reduced by 623.8 kB (49%)
1.3 MB
637.0 kB
In fact, the total size of Uni-duisburg-essen.de main page is 1.3 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 620.5 kB which makes up the majority of the site volume.
Potential reduce by 17.0 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 2.6 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 17.0 kB or 78% of the original size.
Potential reduce by 128.4 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 Duisburg Essen needs image optimization as it can save up to 128.4 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 326.2 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 326.2 kB or 73% of the original size.
Potential reduce by 152.3 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-duisburg-essen.de needs all CSS files to be minified and compressed as it can save up to 152.3 kB or 89% of the original size.
Number of requests can be reduced by 19 (37%)
51
32
The browser has sent 51 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 12 to 1 for JavaScripts and as a result speed up the page load time.
uni-duisburg-essen.de
350 ms
www.uni-due.de
783 ms
style_2013.css
524 ms
legacy.css
318 ms
uni-due.css
321 ms
cookies.js
314 ms
mobilemenu.js
315 ms
modernizr-1.7.min.js
322 ms
jquery-jqueryui.combined.js
1156 ms
jquery.colorbox.js
638 ms
effects.core.js
630 ms
effects.slide.js
694 ms
kalender.js
697 ms
dynlist.js
847 ms
form.js
933 ms
plugins_mobile.js
941 ms
player.swf
1579 ms
video.combined.js
1219 ms
wolken_2015.jpg
1401 ms
ude-logo.png
711 ms
nav_icon.png
711 ms
touchlayer.png
904 ms
fahne2014_200x80.png
972 ms
mainnav-icon.gif
985 ms
en.gif
990 ms
myude24.png
1206 ms
external.png
1280 ms
facebook24.png
1297 ms
twitter24.png
1294 ms
google24.png
1323 ms
youtube24.png
1506 ms
flickr24.png
1580 ms
wordpress24.png
1595 ms
tumblr24.png
1597 ms
instagram24.png
1633 ms
blog24.png
1708 ms
rss24.png
1815 ms
shop24.png
1889 ms
fittosize_501_0_148bb15e73c871f5a1f3318f9728f59f_zahnraeder_fotolia.jpg
2227 ms
fittosize_246_0_86e3a8cd5df275e1e05b7529f5aeb3a9_wissenschaftliches_arbeiten.jpg
2096 ms
fittosize_246_0_53c16f2819885c97def9a6ebf6f0306e_meeresschwamm_fotolia_quer.jpg
2274 ms
hp_arial_infoline.png
2017 ms
hp_arial_kalender.png
2128 ms
hp_arial_diversity.png
2185 ms
list-icon.gif
2268 ms
uamr_logo.jpg
2531 ms
weltoffene_hochschulen.jpg
2538 ms
fam1.jpg
2581 ms
fam2.jpg
2255 ms
mailto.png
2216 ms
controls.png
1929 ms
border.png
2146 ms
loading_background.png
2273 ms
loading.gif
2273 ms
uni-duisburg-essen.de accessibility score
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
ARIA IDs are not unique
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
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
Missing source maps for large first-party JavaScript
uni-duisburg-essen.de SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 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 neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that 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.
uni-duisburg-essen.de
Open Graph description is not detected on the main page of 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: