5.6 sec in total
257 ms
5 sec
419 ms
Visit efrei.fr now to see the best up-to-date EFREI content for France and also check out these interesting facts you probably never knew about efrei.fr
Grande école du numérique et de l’innovation fondée en 1936 (habilité par la Cti). Prépa intégrée, cycle ingénieur, bachelors, licences et masters.
Visit efrei.frWe analyzed Efrei.fr page load time and found that the first response time was 257 ms and then it took 5.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.
efrei.fr performance score
name
value
score
weighting
Value3.7 s
28/100
10%
Value10.2 s
0/100
25%
Value9.7 s
10/100
10%
Value1,410 ms
15/100
30%
Value0.017
100/100
15%
Value9.8 s
28/100
10%
257 ms
677 ms
87 ms
526 ms
27 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 84% of them (41 requests) were addressed to the original Efrei.fr, 8% (4 requests) were made to Fonts.gstatic.com and 4% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Efrei.fr.
Page size can be reduced by 1.0 MB (39%)
2.7 MB
1.7 MB
In fact, the total size of Efrei.fr main page is 2.7 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. Images take 1.4 MB which makes up the majority of the site volume.
Potential reduce by 41.9 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 8.0 kB, which is 16% 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 41.9 kB or 85% of the original size.
Potential reduce by 38.2 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. EFREI images are well optimized though.
Potential reduce by 667.7 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 667.7 kB or 73% of the original size.
Potential reduce by 295.6 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. Efrei.fr needs all CSS files to be minified and compressed as it can save up to 295.6 kB or 88% of the original size.
Number of requests can be reduced by 17 (41%)
41
24
The browser has sent 41 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EFREI. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
efrei.fr
257 ms
677 ms
modernizr.custom.js
87 ms
foundation.min.css
526 ms
css
27 ms
styles.css
166 ms
jquery.js
415 ms
jquery-migrate.min.js
170 ms
form.css
255 ms
main.css
606 ms
plugins.js
1213 ms
main.js
252 ms
selectFx.js
339 ms
jquery.form.min.js
340 ms
scripts.js
424 ms
ssba.min.js
429 ms
navigation.js
496 ms
skip-link-focus-fix.js
508 ms
form.js
673 ms
xss.js
69 ms
wp-emoji-release.min.js
135 ms
analytics.js
64 ms
sprite.png
114 ms
EFREI_PS_IT.png
112 ms
big_rs_fb.png
112 ms
big_rs_tw.png
113 ms
big_rs_in.png
112 ms
big_rs_yt.png
180 ms
texture-slider.jpg
727 ms
Rugby.jpg
1129 ms
home_deco.png
183 ms
bg_brochure.jpg
185 ms
LogoEfreiGroupGB.png
266 ms
CGE-logo2.jpg
269 ms
UGEI-logo.jpg
270 ms
ISO-logo1.jpg
350 ms
CGE-logo1.jpg
356 ms
EURACE_logo1.jpg
358 ms
logo_elles_bougent.jpg
437 ms
ConcoursAlpha-logo.png
441 ms
logo_e3a.jpg
444 ms
campus-france_logo.jpg
522 ms
NeoSansPro-Medium.woff
683 ms
cJZKeOuBrn4kERxqtaUH3aCWcynf_cDxXwCLxiixG1c.ttf
22 ms
DXI1ORHCpsQm3Vp6mXoaTYnF5uFdDttMLvmWuJdhhgs.ttf
40 ms
MTP_ySUJH_bn48VBG8sNSonF5uFdDttMLvmWuJdhhgs.ttf
66 ms
k3k702ZOKiLJc3WVjuplzInF5uFdDttMLvmWuJdhhgs.ttf
66 ms
NeoSansIntel.woff
489 ms
collect
23 ms
efrei.fr 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
[role]s are not contained by their required parent element
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
Links do not have a discernible 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.
efrei.fr 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
Missing source maps for large first-party JavaScript
efrei.fr 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 Efrei.fr 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 Efrei.fr 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.
efrei.fr
Open Graph description is not detected on the main page of EFREI. 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: