5.9 sec in total
827 ms
4.8 sec
321 ms
Click here to check amazing Eonerc RWTH AACHEN content for Germany. Otherwise, check out these important facts you probably never knew about eonerc.rwth-aachen.de
RWTH Aachen University - E.ON Energy Research Center - E.ON ERC Energy Research Center - Homepage - Homepage
Visit eonerc.rwth-aachen.deWe analyzed Eonerc.rwth-aachen.de page load time and found that the first response time was 827 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
eonerc.rwth-aachen.de performance score
name
value
score
weighting
Value8.1 s
0/100
10%
Value16.8 s
0/100
25%
Value12.3 s
3/100
10%
Value170 ms
92/100
30%
Value0.268
46/100
15%
Value13.3 s
12/100
10%
827 ms
584 ms
147 ms
1115 ms
220 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that all of those requests were addressed to Eonerc.rwth-aachen.de and no external sources were called. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Eonerc.rwth-aachen.de.
Page size can be reduced by 147.8 kB (9%)
1.6 MB
1.4 MB
In fact, the total size of Eonerc.rwth-aachen.de main page is 1.6 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. 45% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 22.5 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 22.5 kB or 78% of the original size.
Potential reduce by 60.8 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. Eonerc RWTH AACHEN images are well optimized though.
Potential reduce by 49.0 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 49.0 kB or 28% of the original size.
Potential reduce by 15.6 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. Eonerc.rwth-aachen.de needs all CSS files to be minified and compressed as it can save up to 15.6 kB or 26% of the original size.
Number of requests can be reduced by 17 (47%)
36
19
The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Eonerc RWTH AACHEN. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
eonerc.rwth-aachen.de
827 ms
eonerc.rwth-aachen.de
584 ms
147 ms
1115 ms
aw_mobile.asp
220 ms
styles.css
481 ms
eonerc.css
554 ms
jquery-3.6.0.js
885 ms
jquery.ui-1.13.0.js
792 ms
__basic-behaviour.js
617 ms
__base-modules.js
622 ms
__base-modules-2.js
723 ms
__rwth.js
652 ms
customscript.asp
725 ms
aw_mobile_jquery.asp
757 ms
show_picture.asp
111 ms
icon-sprites.png
214 ms
teaser-wrapper-small-sprite.png
105 ms
show_picture.asp
209 ms
show_picture.asp
653 ms
show_picture.asp
120 ms
show_picture.asp
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show_picture.asp
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show_picture.asp
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show_picture.asp
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border-50.png
412 ms
line-color-teaser.png
426 ms
dotted-line-persona.png
437 ms
icon-sprites.png
516 ms
show_picture.asp
621 ms
show_picture.asp
847 ms
gps16.png
531 ms
show_picture.asp
652 ms
show_picture.asp
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border-25.png
637 ms
icon-sprites-1.png
724 ms
tablet.css
113 ms
tablet-portrait.css
109 ms
print.css
108 ms
eonerc.rwth-aachen.de accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
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
Links do not have a discernible name
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.
eonerc.rwth-aachen.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
General
Impact
Issue
Detected JavaScript libraries
eonerc.rwth-aachen.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eonerc.rwth-aachen.de can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Eonerc.rwth-aachen.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.
eonerc.rwth-aachen.de
Open Graph description is not detected on the main page of Eonerc RWTH AACHEN. 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: