Access cerfpa.com. Découvrez nos différentes formations par correspondance diplômantes au centre ou à distance

name

value

score

weighting

FCP (First Contentful Paint)

Value9.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value14.4 s

1/100

10%

TBT (Total Blocking Time)

Value5,310 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.11

87/100

15%

TTI (Time to Interactive)

Value26.4 s

0/100

10%

cerfpa.com

286 ms

cerfpa.com

447 ms

www.cerfpa.com

599 ms

css2

49 ms

foundation.min.css

155 ms

Our browser made a total of 112 requests to load all elements on the main page. We found that 46% of them (52 requests) were addressed to the original Cerfpa.com, 29% (33 requests) were made to Youtube-nocookie.com and 13% (14 requests) were made to Jnn-pa.googleapis.com. The less responsive or slowest element that took the longest time to load (20.4 sec) relates to the external source Youtube-nocookie.com.

Content Size

1.5 MB

After Optimization

1.3 MB

In fact, the total size of Cerfpa.com 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. 70% of websites need less resources to load. Images take 984.4 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 45.1 kB

Original 56.1 kB
After minification 44.9 kB
After compression 11.0 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. This page needs HTML code to be minified as it can gain 11.3 kB, which is 20% 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 45.1 kB or 80% of the original size.

Image Optimization

-1%

Potential reduce by 10.7 kB

Original 984.4 kB
After minification 973.7 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. CERFPA images are well optimized though.

JavaScript Optimization

-44%

Potential reduce by 166.3 kB

Original 379.7 kB
After minification 359.5 kB
After compression 213.3 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 166.3 kB or 44% of the original size.

CSS Optimization

-10%

Potential reduce by 10.7 kB

Original 106.2 kB
After minification 106.2 kB
After compression 95.5 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. Cerfpa.com has all CSS files already compressed.

Requests Now

After Optimization

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CERFPA. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Issues

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.

High

[aria-*] attributes do not match their roles

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

High

[aria-*] attributes do not have valid values

These are opportunities to improve the legibility of your content.

High

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

These are opportunities to improve keyboard navigation in your application.

High

Heading elements are not in a sequentially-descending order

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.

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

Search Engine Optimization Advices

To appear in search results, crawlers need access to your app.

High

Links are not crawlable

High

robots.txt is not valid

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

High

Image elements do not have [alt] attributes

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/).

High

Document uses legible font sizes

Language and Encoding

Language Detected

FR
Language Claimed

FR
Encoding

UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cerfpa.com 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 Cerfpa.com 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.

Social Sharing Optimization

cerfpa.com

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

Report Summary

Performance

Accessibility

Best Practices

SEO

Découvrez nos différentes formations par correspondance diplômantes au centre ou à distance | CERFPA

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

cerfpa.com

cerfpa.com

www.cerfpa.com

css2

foundation.min.css

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

cerfpa.com

cerfpa.com

www.cerfpa.com

css2

foundation.min.css

all.min.css

slick.css

slick-theme.css

mfp.css

menu.css

commons.css

style.css

2022.css

responsive.css

EwRRJZjkLdY

NoySBEo1RDU

h6yVTW1ZB3I

0.jpg

logo-cerfpa.svg

logo-cerfpa-blanc.png

contact.svg

promo.svg

video.svg

catalogue.svg

emploi.svg

hero-home-girl-x1.webp

hero-home-boy-x1.webp

0.jpg

0.jpg

jquery-3.4.1.min.js

slick.min.js

menu.js

retina.min.js

mfp.js

common.js

hprmhiakn5zfcbyqk3ljjuwnupnmwa7l.js

js

formation-accompagnement-fin-vie_600_400.jpg

comportemetanliste%20ani%20bandeau_600_400.jpg

charge%20com%20bandeau_600_400.jpg

aroma%20bandeau_600_400.jpg

coach%20bandeau2_600_400.jpg

consultant%20geobiologie_600_400.jpg