3.2 sec in total
466 ms
2.6 sec
150 ms
Visit 4mat.ulb.ac.be now to see the best up-to-date 4MAT Ulb content for Belgium and also check out these interesting facts you probably never knew about 4mat.ulb.ac.be
Visit 4mat.ulb.ac.beWe analyzed 4mat.ulb.ac.be page load time and found that the first response time was 466 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
4mat.ulb.ac.be performance score
name
value
score
weighting
Value3.1 s
46/100
10%
Value4.9 s
29/100
25%
Value6.5 s
39/100
10%
Value280 ms
80/100
30%
Value0
100/100
15%
Value7.7 s
45/100
10%
466 ms
343 ms
786 ms
347 ms
143 ms
Our browser made a total of 26 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original 4mat.ulb.ac.be, 92% (24 requests) were made to 4mat.polytech.ulb.be. The less responsive or slowest element that took the longest time to load (851 ms) relates to the external source 4mat.polytech.ulb.be.
Page size can be reduced by 224.0 kB (33%)
676.7 kB
452.7 kB
In fact, the total size of 4mat.ulb.ac.be main page is 676.7 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 586.7 kB which makes up the majority of the site volume.
Potential reduce by 72.9 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 34.8 kB, which is 43% 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 72.9 kB or 90% of the original size.
Potential reduce by 148.4 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, 4MAT Ulb needs image optimization as it can save up to 148.4 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.6 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. 4mat.ulb.ac.be needs all CSS files to be minified and compressed as it can save up to 2.6 kB or 28% of the original size.
We found no issues to fix!
13
13
The browser has sent 13 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 4MAT Ulb. According to our analytics all requests are already optimized.
4mat.ulb.ac.be
466 ms
4mat.ulb.ac.be
343 ms
4mat.polytech.ulb.be
786 ms
87f12e76e9d986ea3a96223d1594d0a50207334c.css
347 ms
d52cd4577dfb99f246b4d6bbea127d780551f878.js
143 ms
polymars2.css
230 ms
1474fe57563835299a419d424a972593b1c348b1.js
851 ms
4mat-option5b.jpg
251 ms
arc_1670506071262-png
252 ms
ulb-sceau.svg
353 ms
fa-facebook_1530799267627-png
252 ms
twitterx_1700059660815-png
253 ms
fa-linkedin_1530799267623-png
336 ms
fa-youtube_1530799267632-png
339 ms
flickrpoints_1534924276449-png
339 ms
opensans-bold-webfont.woff
381 ms
opensans-extrabold-webfont.woff
381 ms
opensans-semibold-webfont.woff
390 ms
opensans-regular-webfont.woff
468 ms
icomoon.ttf
396 ms
firasans-semibold-webfont.woff
464 ms
firasans-bold-webfont.woff
569 ms
firasans-black-webfont.woff
476 ms
firasans-medium-webfont.woff
482 ms
firasans-regular-webfont.woff
570 ms
6049767241e532ab58370b23daa52b40dc15dd4a.css
107 ms
4mat.ulb.ac.be 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-*] attributes do not match their roles
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
Buttons do not have an accessible name
4mat.ulb.ac.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
Missing source maps for large first-party JavaScript
4mat.ulb.ac.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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 4mat.ulb.ac.be 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 4mat.ulb.ac.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.
4mat.ulb.ac.be
Open Graph description is not detected on the main page of 4MAT Ulb. 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: