6.4 sec in total
968 ms
5.2 sec
183 ms
Click here to check amazing Culture Math Ens content for France. Otherwise, check out these important facts you probably never knew about culturemath.ens.fr
Des mathématique vivantes.
Visit culturemath.ens.frWe analyzed Culturemath.ens.fr page load time and found that the first response time was 968 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.
culturemath.ens.fr performance score
name
value
score
weighting
Value8.0 s
0/100
10%
Value14.7 s
0/100
25%
Value10.9 s
6/100
10%
Value820 ms
35/100
30%
Value0
100/100
15%
Value16.6 s
5/100
10%
968 ms
83 ms
165 ms
173 ms
169 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 94% of them (79 requests) were addressed to the original Culturemath.ens.fr, 2% (2 requests) were made to Cdn.mathjax.org and 2% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.8 sec) belongs to the original domain Culturemath.ens.fr.
Page size can be reduced by 501.5 kB (34%)
1.5 MB
979.7 kB
In fact, the total size of Culturemath.ens.fr main page is 1.5 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. 45% of websites need less resources to load. Images take 857.7 kB which makes up the majority of the site volume.
Potential reduce by 41.0 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 41.0 kB or 80% of the original size.
Potential reduce by 52.3 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. Culture Math Ens images are well optimized though.
Potential reduce by 323.9 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 323.9 kB or 69% of the original size.
Potential reduce by 84.3 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. Culturemath.ens.fr needs all CSS files to be minified and compressed as it can save up to 84.3 kB or 83% of the original size.
Number of requests can be reduced by 47 (58%)
81
34
The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Culture Math Ens. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 26 to 1 for CSS and as a result speed up the page load time.
culturemath.ens.fr
968 ms
aggregator.css
83 ms
content-module.css
165 ms
date.css
173 ms
datepicker.css
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jquery.timeentry.css
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drutex.css
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filefield.css
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jquerymenu.css
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user.css
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ckeditor.css
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footnotes.css
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fieldgroup.css
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views.css
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style-zero.css
433 ms
grey.css
429 ms
custom-style.css
431 ms
round.css
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jquery.min.js
592 ms
drupal.js
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fr_50fab71890f301d23abfed19c16657c5.js
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googleanalytics.js
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jquerymenu.js
509 ms
mathjax.js
512 ms
superfish.js
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jquery.bgiframe.min.js
603 ms
jquery.hoverIntent.minified.js
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nice_menus.js
602 ms
MathJax.js
18 ms
jquery.cycle.all.min.js
601 ms
views_slideshow.js
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views_slideshow.js
526 ms
jquery-1.8.2.min.js
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xtcore.js
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TeX-AMS-MML_HTMLorMML.js
20 ms
culturemath.ens.fr
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body1.gif
112 ms
logo1.png
110 ms
search.png
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sbtn.png
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logo_annonce_M74207281_0.jpg
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pavage-logo.jpg
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carte-academies.jpg
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ga.js
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culturemath.ens.fr
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82 ms
culturemath.ens.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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Image elements do not have [alt] attributes
Links do not have a discernible name
culturemath.ens.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
culturemath.ens.fr SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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 Culturemath.ens.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 Culturemath.ens.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.
culturemath.ens.fr
Open Graph description is not detected on the main page of Culture Math Ens. 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: