Report Summary

  • 46

    Performance

    Renders faster than
    65% of other websites

  • 85

    Accessibility

    Visual factors better than
    that of 60% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

defi83.fr

Centre de formation Informatique Comptabilité Toulon Var - Défi 83

Page Load Speed

3.1 sec in total

First Response

232 ms

Resources Loaded

2.6 sec

Page Rendered

297 ms

defi83.fr screenshot

About Website

Visit defi83.fr now to see the best up-to-date De Fi 83 content for France and also check out these interesting facts you probably never knew about defi83.fr

Défi 83, centre de formation dans le Var, propose des formations diplômantes, continues, préparations aux concours en bureautique, informatique, comptabilité, services à la personne, vente ou encore l...

Visit defi83.fr

Key Findings

We analyzed Defi83.fr page load time and found that the first response time was 232 ms and then it took 2.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

defi83.fr performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value10.5 s

0/100

25%

SI (Speed Index)

Value9.8 s

10/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.184

66/100

15%

TTI (Time to Interactive)

Value10.8 s

22/100

10%

Network Requests Diagram

defi83.fr

232 ms

www.defi83.fr

423 ms

rie4gnq.js

175 ms

normalize.css

108 ms

style.php

243 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 83% of them (25 requests) were addressed to the original Defi83.fr, 7% (2 requests) were made to Nexto11.jalis.pro and 7% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Defi83.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 348.0 kB (30%)

Content Size

1.1 MB

After Optimization

798.8 kB

In fact, the total size of Defi83.fr main page is 1.1 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 806.8 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 24.8 kB

  • Original 30.6 kB
  • After minification 24.8 kB
  • After compression 5.7 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. This page needs HTML code to be minified as it can gain 5.8 kB, which is 19% 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 24.8 kB or 81% of the original size.

Image Optimization

-12%

Potential reduce by 100.0 kB

  • Original 806.8 kB
  • After minification 706.8 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. Obviously, De Fi 83 needs image optimization as it can save up to 100.0 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-66%

Potential reduce by 145.7 kB

  • Original 222.2 kB
  • After minification 219.4 kB
  • After compression 76.5 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 145.7 kB or 66% of the original size.

CSS Optimization

-89%

Potential reduce by 77.5 kB

  • Original 87.2 kB
  • After minification 64.2 kB
  • After compression 9.7 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. Defi83.fr needs all CSS files to be minified and compressed as it can save up to 77.5 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (36%)

Requests Now

28

After Optimization

18

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of De Fi 83. 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 4 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

defi83.fr accessibility score

85

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

defi83.fr best practices score

75

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

defi83.fr SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Defi83.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 Defi83.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.

Social Sharing Optimization

Open Graph data is detected on the main page of De Fi 83. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: