3.9 sec in total
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Welcome to polytechnique.edu homepage info - get ready to check Polytechnique best content for France right away, or after learning these important things about polytechnique.edu
L'École polytechnique est une école d'ingénieur qui associe recherche, enseignement et innovation au meilleur niveau scientifique et technologique.
Visit polytechnique.eduWe analyzed Polytechnique.edu page load time and found that the first response time was 248 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
polytechnique.edu performance score
name
value
score
weighting
Value12.7 s
0/100
10%
Value29.1 s
0/100
25%
Value15.9 s
0/100
10%
Value680 ms
43/100
30%
Value0.001
100/100
15%
Value29.5 s
0/100
10%
248 ms
1029 ms
250 ms
87 ms
42 ms
Our browser made a total of 76 requests to load all elements on the main page. We found that 68% of them (52 requests) were addressed to the original Polytechnique.edu, 12% (9 requests) were made to Fonts.gstatic.com and 5% (4 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Polytechnique.edu.
Page size can be reduced by 1.9 MB (33%)
5.9 MB
3.9 MB
In fact, the total size of Polytechnique.edu main page is 5.9 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 3.9 MB which makes up the majority of the site volume.
Potential reduce by 157.0 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. 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 157.0 kB or 65% of the original size.
Potential reduce by 365.3 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. Polytechnique images are well optimized though.
Potential reduce by 203.5 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 203.5 kB or 70% of the original size.
Potential reduce by 1.2 MB
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. Polytechnique.edu needs all CSS files to be minified and compressed as it can save up to 1.2 MB or 83% of the original size.
Number of requests can be reduced by 14 (25%)
57
43
The browser has sent 57 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Polytechnique. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
polytechnique.edu
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polytechnique.edu 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 have valid values
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.
polytechnique.edu 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
Page has valid source maps
polytechnique.edu 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
FR
FR
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Polytechnique.edu 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 Polytechnique.edu 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.
polytechnique.edu
Open Graph data is detected on the main page of Polytechnique. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: