2.6 sec in total
530 ms
1.8 sec
270 ms
Click here to check amazing CESI content for France. Otherwise, check out these important facts you probably never knew about cesi.fr
L'école CESI vous accueille dans ses 25 campus en France. Découvrez nos cycles d'ingénieurs, formations professionnelles et Mastère Spécialisé® !
Visit cesi.frWe analyzed Cesi.fr page load time and found that the first response time was 530 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.
cesi.fr performance score
name
value
score
weighting
Value1.9 s
87/100
10%
Value3.1 s
76/100
25%
Value3.1 s
93/100
10%
Value140 ms
95/100
30%
Value0
100/100
15%
Value3.3 s
94/100
10%
530 ms
320 ms
545 ms
223 ms
225 ms
Our browser made a total of 31 requests to load all elements on the main page. We found that 87% of them (27 requests) were addressed to the original Cesi.fr, 6% (2 requests) were made to Emailing.cesi.fr and 6% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (949 ms) relates to the external source Emailing.cesi.fr.
Page size can be reduced by 290.8 kB (25%)
1.2 MB
866.1 kB
In fact, the total size of Cesi.fr main page is 1.2 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. 15% of websites need less resources to load. Images take 797.8 kB which makes up the majority of the site volume.
Potential reduce by 27.8 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 27.8 kB or 81% of the original size.
Potential reduce by 19.5 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. CESI images are well optimized though.
Potential reduce by 235.0 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 235.0 kB or 75% of the original size.
Potential reduce by 8.5 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. Cesi.fr needs all CSS files to be minified and compressed as it can save up to 8.5 kB or 84% of the original size.
Number of requests can be reduced by 6 (20%)
30
24
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CESI. 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 as a result speed up the page load time.
cesi.fr
530 ms
portail.cesi.css
320 ms
jquery-1.4.2.js
545 ms
swfobject.js
223 ms
fonctions.js
225 ms
jquery.js
949 ms
jquery.tabify.js
312 ms
domready.js
105 ms
logo-groupeCesi.png
644 ms
body.jpg
656 ms
bandeau-portail-CESI-revivre2.png
461 ms
carte-france.png
342 ms
filiales-cesi.png
634 ms
cesi-certification.png
664 ms
btn-cesCertif.jpg
231 ms
campus-numerique_Cesi.png
900 ms
btn-decouvreCampus.jpg
453 ms
cesi-recherche.png
881 ms
reconnaissance-cesi.png
685 ms
eicesi-fleche.png
382 ms
Logo-Eicesi.gif
449 ms
Logo-Exia.gif
397 ms
Logo-CESIentreprises.gif
452 ms
Logo-CESIalternance.gif
402 ms
Logo-CESIcertification.gif
592 ms
cesirecherche-fleche.png
520 ms
Logo-Irise.gif
527 ms
Logo-Liea.gif
564 ms
Logo-Lusine.gif
576 ms
ga.js
24 ms
__utm.gif
23 ms
cesi.fr 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
Links do not have a discernible name
cesi.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
General
Impact
Issue
Detected JavaScript libraries
cesi.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cesi.fr 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 Cesi.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.
cesi.fr
Open Graph description is not detected on the main page of CESI. 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: