3.2 sec in total
539 ms
2.5 sec
160 ms
Click here to check amazing Maths Cnam content for France. Otherwise, check out these important facts you probably never knew about maths.cnam.fr
Le site web des Mathématiques du Cnam : cours, enseignements, recherche, mathématiques, calcul scientifique, statistiques, risques, biostatistique, bioinformatique
Visit maths.cnam.frWe analyzed Maths.cnam.fr page load time and found that the first response time was 539 ms and then it took 2.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.
maths.cnam.fr performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value6.2 s
11/100
25%
Value7.0 s
33/100
10%
Value70 ms
99/100
30%
Value0.008
100/100
15%
Value5.4 s
72/100
10%
539 ms
165 ms
165 ms
196 ms
165 ms
Our browser made a total of 50 requests to load all elements on the main page. We found that all of those requests were addressed to Maths.cnam.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (970 ms) belongs to the original domain Maths.cnam.fr.
Page size can be reduced by 344.9 kB (35%)
972.0 kB
627.0 kB
In fact, the total size of Maths.cnam.fr main page is 972.0 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 574.8 kB which makes up the majority of the site volume.
Potential reduce by 17.7 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 17.7 kB or 72% of the original size.
Potential reduce by 21.1 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. Maths Cnam images are well optimized though.
Potential reduce by 279.6 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 279.6 kB or 82% of the original size.
Potential reduce by 26.6 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. Maths.cnam.fr needs all CSS files to be minified and compressed as it can save up to 26.6 kB or 85% of the original size.
Number of requests can be reduced by 29 (59%)
49
20
The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Maths Cnam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.
maths.cnam.fr
539 ms
spip_style.css
165 ms
barre_outils.css
165 ms
spip.php
196 ms
colorbox.css
165 ms
spip.php
199 ms
zoombox.css
238 ms
jquery.js
746 ms
jquery.form.js
410 ms
ajaxCallback.js
328 ms
jquery.cookie.js
354 ms
xregexp-min.js
355 ms
jquery.markitup_pour_spip.js
485 ms
jquery.previsu_spip.js
488 ms
spip.php
549 ms
header.js
518 ms
jquery.colorbox.js
655 ms
spip.mediabox.js
648 ms
jquery.nivo.slider.pack.js
733 ms
jquery.tagSphere.js
681 ms
zoombox.js
795 ms
style.css
812 ms
dw_paus_scroller.js
820 ms
logo_cnam.gif
163 ms
LogoEcole.png
166 ms
loading.gif
164 ms
6437d474505efe54e17bc1b3fb6c2101.png
325 ms
01aa48820bf48687d17b75876c1bc63c.png
492 ms
fa7cb3082a04e182b0301fae11be9254.png
405 ms
630cb9f4661a4270c2b730aea1933660.png
564 ms
27c051bf97bce4d37e453952986b453b.png
330 ms
7941493f4379ea858dbcbb584da62728.png
489 ms
11f138df9d2381d84d5d62505d384646.png
723 ms
actu_rouge2.gif
491 ms
zoom-plus.png
565 ms
zoom-metiers-maths-info_cle8fc299.png
725 ms
PlanMaths-icon.png
648 ms
puce_menu.gif
579 ms
triangle.gif
650 ms
encadre_rouge.gif
653 ms
rouge.gif
736 ms
encadre_vert.gif
740 ms
vert.gif
809 ms
encadre_gris_moyen.gif
811 ms
overlay.png
817 ms
controls.png
817 ms
border.png
897 ms
loading_background.png
899 ms
loading.gif
970 ms
arrows.png
84 ms
maths.cnam.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
Heading elements are not in a sequentially-descending order
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
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
Form elements do not have associated labels
Links do not have a discernible name
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
maths.cnam.fr best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
maths.cnam.fr SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Maths.cnam.fr can be misinterpreted by Google and other search engines. Our service has detected that French is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Maths.cnam.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.
maths.cnam.fr
Open Graph description is not detected on the main page of Maths Cnam. 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: