Report Summary

  • 100

    Performance

    Renders faster than
    97% of other websites

  • 60

    Accessibility

    Visual factors better than
    that of 26% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

ergonomie.cnam.fr

Bienvenue sur le site de l'équipe d'ergonomie du Cnam | Ergonomie | Cnam

Page Load Speed

1.8 sec in total

First Response

506 ms

Resources Loaded

1.2 sec

Page Rendered

126 ms

ergonomie.cnam.fr screenshot

About Website

Welcome to ergonomie.cnam.fr homepage info - get ready to check Ergonomie Cnam best content for France right away, or after learning these important things about ergonomie.cnam.fr

Trouver votre formation (en soirée, en journée, à distance, en alternance...) et devenez formateur pour adultes avec le Cnam !

Visit ergonomie.cnam.fr

Key Findings

We analyzed Ergonomie.cnam.fr page load time and found that the first response time was 506 ms and then it took 1.3 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 25% of websites can load faster.

Performance Metrics

ergonomie.cnam.fr performance score

100

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.4 s

97/100

10%

LCP (Largest Contentful Paint)

Value1.4 s

100/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.006

100/100

15%

TTI (Time to Interactive)

Value1.4 s

100/100

10%

Network Requests Diagram

ergonomie.cnam.fr

506 ms

style.css

167 ms

logo_cnam.gif

163 ms

chaire.gif

162 ms

bandeau_gauche.jpg

165 ms

Our browser made a total of 18 requests to load all elements on the main page. We found that all of those requests were addressed to Ergonomie.cnam.fr and no external sources were called. The less responsive or slowest element that took the longest time to load (506 ms) belongs to the original domain Ergonomie.cnam.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 21.9 kB (27%)

Content Size

80.8 kB

After Optimization

59.0 kB

In fact, the total size of Ergonomie.cnam.fr main page is 80.8 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. Only 10% of websites need less resources to load. Images take 53.1 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 10.6 kB

  • Original 14.9 kB
  • After minification 13.1 kB
  • After compression 4.3 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 1.8 kB, which is 12% 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 10.6 kB or 71% of the original size.

Image Optimization

-0%

Potential reduce by 152 B

  • Original 53.1 kB
  • After minification 53.0 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. Ergonomie Cnam images are well optimized though.

CSS Optimization

-87%

Potential reduce by 11.1 kB

  • Original 12.9 kB
  • After minification 10.7 kB
  • After compression 1.7 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. Ergonomie.cnam.fr needs all CSS files to be minified and compressed as it can save up to 11.1 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 6 (35%)

Requests Now

17

After Optimization

11

The browser has sent 17 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ergonomie Cnam. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Accessibility Review

ergonomie.cnam.fr accessibility score

60

Accessibility Issues

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

ergonomie.cnam.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

ergonomie.cnam.fr SEO score

58

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ergonomie.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 Ergonomie.cnam.fr main page’s claimed encoding is iso-8859-1. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Ergonomie 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: