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jmdoudoux.developpez.com screenshot

Report Summary

  • 71

    Performance

    Renders faster than
    82% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

jmdoudoux.developpez.com

Cours Java et Eclipse de J.M. Doudoux

Page Load Speed

1.4 sec in total

First Response

306 ms

Resources Loaded

830 ms

Page Rendered

232 ms

jmdoudoux.developpez.com screenshot

About Website

Visit jmdoudoux.developpez.com now to see the best up-to-date Jm Doudoux De Veloppez content for France and also check out these interesting facts you probably never knew about jmdoudoux.developpez.com

Cours Java et Eclipse de J.M. Doudoux

Visit jmdoudoux.developpez.com

Key Findings

We analyzed Jmdoudoux.developpez.com page load time and found that the first response time was 306 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

jmdoudoux.developpez.com performance score

71

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.2 s

19/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value60 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value5.2 s

74/100

10%

Network Requests Diagram

jmdoudoux.developpez.com

306 ms

jquery-1.7.2.js

241 ms

192 ms

gabarit.css

85 ms

article.css

160 ms

Our browser made a total of 17 requests to load all elements on the main page. We found that 65% of them (11 requests) were addressed to the original Jmdoudoux.developpez.com, 18% (3 requests) were made to Developpez.com and 12% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (306 ms) belongs to the original domain Jmdoudoux.developpez.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 107.2 kB (54%)

Content Size

196.8 kB

After Optimization

89.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Jmdoudoux.developpez.com main page is 196.8 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. 15% of websites need less resources to load. Javascripts take 112.0 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 27.8 kB

  • Original 35.4 kB
  • After minification 33.4 kB
  • After compression 7.7 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 27.8 kB or 78% of the original size.

Image Optimization

-11%

Potential reduce by 3.3 kB

  • Original 31.1 kB
  • After minification 27.8 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, Jm Doudoux De Veloppez needs image optimization as it can save up to 3.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-55%

Potential reduce by 61.1 kB

  • Original 112.0 kB
  • After minification 112.0 kB
  • After compression 51.0 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 61.1 kB or 55% of the original size.

CSS Optimization

-83%

Potential reduce by 15.1 kB

  • Original 18.2 kB
  • After minification 13.5 kB
  • After compression 3.2 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. Jmdoudoux.developpez.com needs all CSS files to be minified and compressed as it can save up to 15.1 kB or 83% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

16

After Optimization

16

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jm Doudoux De Veloppez. According to our analytics all requests are already optimized.

Network Requests Diagram

jmdoudoux.developpez.com

jmdoudoux.developpez.com

306 ms

jquery-1.7.2.js

jquery-1.7.2.js

241 ms

192 ms

gabarit.css

gabarit.css

85 ms

article.css

article.css

160 ms

compter-4

compter-4

167 ms

pub728.png

pub728.png

83 ms

logo.png

logo.png

157 ms

logo-mobile.png

logo-mobile.png

159 ms

googleplus.png

googleplus.png

164 ms

facebook.png

facebook.png

161 ms

twitter.png

twitter.png

164 ms

rss.png

rss.png

165 ms

kitstars-5-0.png

kitstars-5-0.png

79 ms

ga.js

ga.js

57 ms

__utm.gif

__utm.gif

24 ms

printer.css

printer.css

84 ms

Accessibility Review

jmdoudoux.developpez.com accessibility score

95

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.

Best Practices

jmdoudoux.developpez.com best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

jmdoudoux.developpez.com SEO score

76

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

Links do not have descriptive text

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    FR

  • Language Claimed

    FR

  • Encoding

    ISO-8859-1

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

jmdoudoux.developpez.com

Open Graph description is not detected on the main page of Jm Doudoux De Veloppez. 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: