3.8 sec in total
460 ms
3.2 sec
161 ms
Visit information.epfl.ch now to see the best up-to-date Information EPFL content for Switzerland and also check out these interesting facts you probably never knew about information.epfl.ch
Practical information on EPFL (Ecole polytechnique fédérale de Lausanne): access, addresses & contacts, activities & facilities on campus, facts & figures.
Visit information.epfl.chWe analyzed Information.epfl.ch page load time and found that the first response time was 460 ms and then it took 3.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
information.epfl.ch performance score
name
value
score
weighting
Value5.3 s
7/100
10%
Value5.3 s
22/100
25%
Value11.4 s
5/100
10%
Value4,520 ms
0/100
30%
Value0
100/100
15%
Value16.1 s
6/100
10%
460 ms
1408 ms
187 ms
278 ms
34 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 37% of them (18 requests) were addressed to the original Information.epfl.ch, 24% (12 requests) were made to Epfl.ch and 8% (4 requests) were made to E.issuu.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Epfl.ch.
Page size can be reduced by 576.7 kB (55%)
1.0 MB
464.4 kB
In fact, the total size of Information.epfl.ch main page is 1.0 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. 40% of websites need less resources to load. Javascripts take 676.3 kB which makes up the majority of the site volume.
Potential reduce by 59.3 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. This page needs HTML code to be minified as it can gain 8.8 kB, which is 11% 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 59.3 kB or 73% of the original size.
Potential reduce by 43.2 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, Information EPFL needs image optimization as it can save up to 43.2 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 405.1 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 405.1 kB or 60% of the original size.
Potential reduce by 69.1 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. Information.epfl.ch needs all CSS files to be minified and compressed as it can save up to 69.1 kB or 83% of the original size.
Number of requests can be reduced by 26 (55%)
47
21
The browser has sent 47 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Information 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 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
information.epfl.ch
460 ms
epfl.css
1408 ms
homePortal.css
187 ms
jahia.css
278 ms
jquery.min.js
34 ms
jquery.plugins.js
382 ms
epfl.js
279 ms
socialshare.js
186 ms
information_style.css
199 ms
pres.css
295 ms
addthis_widget.js
16 ms
wsi.ashx
224 ms
my-server.png
222 ms
grey-facebook-round.png
304 ms
grey-twitter-round.png
303 ms
grey-linkedin-round.png
303 ms
grey-googleplus-round.png
304 ms
grey-mail-round.png
482 ms
EPFL-campus-tour_small2.jpg
741 ms
document_pdf.png
606 ms
underline.gif
116 ms
epfl_small.png
618 ms
sprites-arrow.png
220 ms
sprites.png
621 ms
magnifier.png
622 ms
separator.png
622 ms
icon_home_white.png
470 ms
slash.png
617 ms
home.pl
1361 ms
embed.html
90 ms
icons-all.png
262 ms
dot.png
442 ms
arrow-login.png
439 ms
embed.js
61 ms
300lo.json
73 ms
ga.js
69 ms
header_en.jsp
426 ms
13157745.json
81 ms
sh.8e5f85691f9aaa082472a194.html
69 ms
__utm.gif
56 ms
__utm.gif
45 ms
embed-runner.js
37 ms
page_1_thumb_large.jpg
34 ms
quant.js
181 ms
css
64 ms
document.xml
64 ms
page_1.jpg
65 ms
pixel;r=190905264;a=p-5cvC4NOeGmtNA;fpan=1;fpa=P0-1079053919-1458266431016;ns=1;ce=1;cm=;je=0;sr=1024x768x32;enc=n;dst=0;et=1458266431015;tzo=-180;ref=http%3A%2F%2Fe.issuu.com%2Fembed.html;url=about%3Ablank;ogl=
8 ms
print.css
94 ms
information.epfl.ch 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.
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
<frame> or <iframe> elements do not have a title
Links do not have a discernible name
information.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
information.epfl.ch SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Information.epfl.ch can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and it does not match the claimed English language. Our system also found out that Information.epfl.ch 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.
information.epfl.ch
Open Graph description is not detected on the main page of Information 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: