3.2 sec in total
562 ms
2.4 sec
184 ms
Welcome to edu.epfl.ch homepage info - get ready to check Edu EPFL best content for Switzerland right away, or after learning these important things about edu.epfl.ch
Visit edu.epfl.chWe analyzed Edu.epfl.ch page load time and found that the first response time was 562 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
edu.epfl.ch performance score
name
value
score
weighting
Value2.5 s
67/100
10%
Value4.7 s
32/100
25%
Value4.5 s
73/100
10%
Value170 ms
92/100
30%
Value0
100/100
15%
Value4.1 s
87/100
10%
562 ms
370 ms
285 ms
482 ms
468 ms
Our browser made a total of 28 requests to load all elements on the main page. We found that 39% of them (11 requests) were addressed to the original Edu.epfl.ch, 50% (14 requests) were made to Epfl.ch and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (838 ms) belongs to the original domain Edu.epfl.ch.
Page size can be reduced by 332.9 kB (70%)
476.4 kB
143.5 kB
In fact, the total size of Edu.epfl.ch main page is 476.4 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. 20% of websites need less resources to load. Javascripts take 233.5 kB which makes up the majority of the site volume.
Potential reduce by 131.0 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 30.0 kB, which is 20% 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 131.0 kB or 87% of the original size.
Potential reduce by 2.6 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. Edu EPFL images are well optimized though.
Potential reduce by 149.7 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 149.7 kB or 64% of the original size.
Potential reduce by 49.5 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. Edu.epfl.ch needs all CSS files to be minified and compressed as it can save up to 49.5 kB or 83% of the original size.
Number of requests can be reduced by 17 (65%)
26
9
The browser has sent 26 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Edu EPFL. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
edu.epfl.ch
562 ms
studyplan
370 ms
epfl.css
285 ms
jquery-epfl.min.js
482 ms
globalnav.js
468 ms
jquery.quickclear.js;jsessionid=92F3436EEC59A4F59B0FE5FFC38497D0
186 ms
jquery.highlight.js;jsessionid=92F3436EEC59A4F59B0FE5FFC38497D0
279 ms
search.js;jsessionid=92F3436EEC59A4F59B0FE5FFC38497D0
278 ms
less.js
291 ms
print.css;jsessionid=92F3436EEC59A4F59B0FE5FFC38497D0
187 ms
print_eduweb.css;jsessionid=92F3436EEC59A4F59B0FE5FFC38497D0
838 ms
print.css
121 ms
wsi.ashx
183 ms
underline.gif
107 ms
epfl_small.png
168 ms
sprites-arrow.png
186 ms
sprites.png
186 ms
magnifier.png
193 ms
main_search_form.png
279 ms
separator.png
163 ms
slash.png
163 ms
icons-all.png
321 ms
vertical-nav.gif
247 ms
sprites.png
277 ms
underline-white.gif
233 ms
ga.js
53 ms
clear.gif
186 ms
__utm.gif
13 ms
edu.epfl.ch 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
Buttons do not have an accessible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
edu.epfl.ch best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
edu.epfl.ch 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
FR
FR
ISO-8859-1
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edu.epfl.ch can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it matches the claimed language. Our system also found out that Edu.epfl.ch main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.
edu.epfl.ch
Open Graph description is not detected on the main page of Edu EPFL. 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: