6.3 sec in total
984 ms
4.7 sec
637 ms
Visit ub.rwth-aachen.de now to see the best up-to-date Ub RWTH AACHEN content for Germany and also check out these interesting facts you probably never knew about ub.rwth-aachen.de
RWTH Aachen University - University Library RWTH Aachen University - Homepage
Visit ub.rwth-aachen.deWe analyzed Ub.rwth-aachen.de page load time and found that the first response time was 984 ms and then it took 5.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
ub.rwth-aachen.de performance score
name
value
score
weighting
Value6.8 s
2/100
10%
Value10.4 s
0/100
25%
Value9.4 s
12/100
10%
Value1,460 ms
15/100
30%
Value0
100/100
15%
Value10.4 s
24/100
10%
984 ms
593 ms
146 ms
958 ms
327 ms
Our browser made a total of 34 requests to load all elements on the main page. We found that all of those requests were addressed to Ub.rwth-aachen.de and no external sources were called. The less responsive or slowest element that took the longest time to load (984 ms) belongs to the original domain Ub.rwth-aachen.de.
Page size can be reduced by 113.6 kB (12%)
930.3 kB
816.7 kB
In fact, the total size of Ub.rwth-aachen.de main page is 930.3 kB. 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 642.9 kB which makes up the majority of the site volume.
Potential reduce by 36.3 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 36.3 kB or 81% of the original size.
Potential reduce by 12.7 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. Ub 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. Ub.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 (53%)
30
14
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ub 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.
ub.rwth-aachen.de
984 ms
ub.rwth-aachen.de
593 ms
146 ms
958 ms
aw_mobile.asp
327 ms
styles.css
545 ms
jquery-3.6.0.js
880 ms
jquery.ui-1.13.0.js
951 ms
__basic-behaviour.js
632 ms
__base-modules.js
640 ms
__base-modules-2.js
756 ms
__rwth.js
652 ms
customscript.asp
736 ms
aw_mobile_jquery.asp
749 ms
show_picture.asp
300 ms
icon-sprites.png
293 ms
teaser-wrapper-small-sprite.png
291 ms
show_picture.asp
334 ms
show_picture.asp
476 ms
show_picture.asp
317 ms
show_picture.asp
308 ms
show_picture.asp
456 ms
show_picture.asp
451 ms
show_picture.asp
449 ms
border-50.png
449 ms
dotted-line-persona.png
451 ms
line-color-teaser.png
451 ms
show_picture.asp
638 ms
gps16.png
472 ms
border-25.png
472 ms
icon-sprites-1.png
585 ms
tablet.css
110 ms
tablet-portrait.css
112 ms
print.css
115 ms
ub.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.
ub.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
ub.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 Ub.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 Ub.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.
ub.rwth-aachen.de
Open Graph description is not detected on the main page of Ub 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: