3.1 sec in total
255 ms
2.7 sec
120 ms
Click here to check amazing KU Leuven content for Belgium. Otherwise, check out these important facts you probably never knew about kuleuven.be
KU Leuven is een internationale community waar innovatief onderzoek aan de basis ligt van alle opleidingen. Gedreven onderzoekers en nieuwsgierige studenten doen voortdurend nieuwe inzichten op en zet...
Visit kuleuven.beWe analyzed Kuleuven.be page load time and found that the first response time was 255 ms and then it took 2.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
kuleuven.be performance score
name
value
score
weighting
Value7.6 s
0/100
10%
Value7.8 s
3/100
25%
Value10.1 s
9/100
10%
Value1,450 ms
15/100
30%
Value0.027
100/100
15%
Value10.5 s
23/100
10%
255 ms
247 ms
91 ms
86 ms
168 ms
Our browser made a total of 53 requests to load all elements on the main page. We found that 53% of them (28 requests) were addressed to the original Kuleuven.be, 36% (19 requests) were made to Stijl.kuleuven.be and 6% (3 requests) were made to Nieuws.kuleuven.be. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Nieuws.kuleuven.be.
Page size can be reduced by 122.4 kB (15%)
818.9 kB
696.5 kB
In fact, the total size of Kuleuven.be main page is 818.9 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. 30% of websites need less resources to load. Images take 733.2 kB which makes up the majority of the site volume.
Potential reduce by 19.5 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 19.5 kB or 73% of the original size.
Potential reduce by 69.1 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. KU Leuven images are well optimized though.
Potential reduce by 1.3 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. This website has mostly compressed JavaScripts.
Potential reduce by 32.5 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. Kuleuven.be needs all CSS files to be minified and compressed as it can save up to 32.5 kB or 81% of the original size.
Number of requests can be reduced by 11 (22%)
50
39
The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of KU Leuven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
kuleuven.be
255 ms
www.kuleuven.be
247 ms
91 ms
collective.js.jqueryui.custom.min-cachekey-d70f06bfdbd1f9a8438e1a4480a09f0a.css
86 ms
resourcekuleuven.subsiteroot.stylesssr-cachekey-978449d472e52e9928db293dbf805458.css
168 ms
resourcestaff.staticstaff-cachekey-25531a9440da77066b434b44566bdd3e.css
248 ms
resourceplone.app.discussion.stylesheetsdiscussion-cachekey-e605e23274e16ee3b816030f2f013e18.css
170 ms
main.css
607 ms
responsive.css
853 ms
resourcepublications.staticpublications-cachekey-ef70113163ca6693c25059daa13a1890.css
168 ms
resourceplone.app.jquery-cachekey-5009492b8e88f815a474604c3a858e89.js
504 ms
collective.js.jqueryui.custom.min-cachekey-4ac0c5141156de72f5aa694505e97eda.js
341 ms
main.js
911 ms
image_preview
101 ms
slideshow.html
395 ms
neyts_MG_1023_def.jpg
795 ms
image_preview
98 ms
image_preview
97 ms
image
96 ms
image
95 ms
rss.png
97 ms
image_preview
187 ms
image_preview
187 ms
strikjes2.jpg
1041 ms
12419236_686297754805911_6177840486866674422_o_0.jpg
1051 ms
banner_kuleuven.png
346 ms
logo_kuleuven.png
262 ms
icon_zoek.png
264 ms
icon_nav.png
266 ms
icon_home.png
271 ms
icon_intranet.png
270 ms
icon_facebook.jpg
506 ms
icon_twitter.png
511 ms
icon_youtube.jpg
512 ms
icon_pinterest.png
522 ms
icon_instagram.png
521 ms
icon_linkedin.png
593 ms
icon_rss.jpg
751 ms
icon_arrow_nieuws.gif
757 ms
icon_bullet-levelone_nieuws.gif
762 ms
ga.js
18 ms
spinner.gif
154 ms
__utm.gif
10 ms
jquery.min.js
81 ms
resizer.php
331 ms
resizer.php
637 ms
resizer.php
716 ms
resizer.php
636 ms
resizer.php
558 ms
video_overlay_button.png
283 ms
resizer.php
671 ms
buttons.png
429 ms
print.css
85 ms
kuleuven.be 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.
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
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
kuleuven.be 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
kuleuven.be 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
Tap targets are not sized appropriately
NL
NL
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Kuleuven.be can be misinterpreted by Google and other search engines. Our service has detected that Dutch is used on the page, and it matches the claimed language. Our system also found out that Kuleuven.be 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.
kuleuven.be
Open Graph description is not detected on the main page of KU Leuven. 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: