5.7 sec in total
799 ms
4.6 sec
324 ms
Click here to check amazing Isl RWTH AACHEN content for Germany. Otherwise, check out these important facts you probably never knew about isl.rwth-aachen.de
RWTH Aachen University - Chair of Urban Design and Institute for Urban Design and European Urbanism - Homepage
Visit isl.rwth-aachen.deWe analyzed Isl.rwth-aachen.de page load time and found that the first response time was 799 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.
isl.rwth-aachen.de performance score
name
value
score
weighting
Value5.8 s
4/100
10%
Value7.7 s
3/100
25%
Value6.1 s
44/100
10%
Value600 ms
50/100
30%
Value0
100/100
15%
Value7.1 s
51/100
10%
799 ms
1119 ms
358 ms
333 ms
554 ms
Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Isl.rwth-aachen.de, 98% (45 requests) were made to Staedtebau.rwth-aachen.de. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Staedtebau.rwth-aachen.de.
Page size can be reduced by 439.2 kB (11%)
3.8 MB
3.4 MB
In fact, the total size of Isl.rwth-aachen.de main page is 3.8 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. 65% of websites need less resources to load. Images take 3.5 MB which makes up the majority of the site volume.
Potential reduce by 33.3 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 33.3 kB or 80% of the original size.
Potential reduce by 341.4 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. Isl RWTH AACHEN images are well optimized though.
Potential reduce by 49.1 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 49.1 kB or 27% of the original size.
Potential reduce by 15.5 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. Isl.rwth-aachen.de needs all CSS files to be minified and compressed as it can save up to 15.5 kB or 26% of the original size.
Number of requests can be reduced by 16 (37%)
43
27
The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Isl 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 4 to 1 for CSS and as a result speed up the page load time.
isl.rwth-aachen.de
799 ms
1119 ms
358 ms
aw_mobile.asp
333 ms
styles.css
554 ms
jquery-3.6.0.js
742 ms
jquery.ui-1.13.0.js
956 ms
__basic-behaviour.js
595 ms
__base-modules.js
596 ms
__base-modules-2.js
665 ms
__rwth.js
661 ms
customscript.asp
667 ms
aw_mobile_jquery.asp
663 ms
show_picture.asp
149 ms
icon-sprites.png
221 ms
teaser-wrapper-small-sprite.png
149 ms
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border-50.png
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dotted-line-persona.png
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line-color-teaser.png
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show_picture.asp
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gps16.png
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border-25.png
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icon-sprites-1.png
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tablet.css
108 ms
tablet-portrait.css
108 ms
print.css
120 ms
isl.rwth-aachen.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
Links do not have a discernible name
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
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.
isl.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
isl.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 Isl.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 Isl.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.
isl.rwth-aachen.de
Open Graph description is not detected on the main page of Isl 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: