Tools & Wizards About Us
cjc.jeunes-chercheurs.org screenshot

Report Summary

  • 79

    Performance

    Renders faster than
    86% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 38% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

cjc.jeunes-chercheurs.org

CJC - Représenter les jeunes chercheurs

Page Load Speed

6.3 sec in total

First Response

243 ms

Resources Loaded

6 sec

Page Rendered

122 ms

cjc.jeunes-chercheurs.org screenshot

About Website

Click here to check amazing CJC Jeunes Chercheurs content for Algeria. Otherwise, check out these important facts you probably never knew about cjc.jeunes-chercheurs.org

La CJC est une fédération nationale d'associations de jeunes chercheurs (doctorants, docteurs en CDD...).

Visit cjc.jeunes-chercheurs.org

Key Findings

We analyzed Cjc.jeunes-chercheurs.org page load time and found that the first response time was 243 ms and then it took 6.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

cjc.jeunes-chercheurs.org performance score

79

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

33/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value30 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

cjc.jeunes-chercheurs.org

243 ms

ecran.css

93 ms

iconize.css

168 ms

outils.js

183 ms

jsapi

42 ms

Our browser made a total of 31 requests to load all elements on the main page. We found that 48% of them (15 requests) were addressed to the original Cjc.jeunes-chercheurs.org, 26% (8 requests) were made to Ajax.googleapis.com and 16% (5 requests) were made to Maps.googleapis.com. The less responsive or slowest element that took the longest time to load (581 ms) belongs to the original domain Cjc.jeunes-chercheurs.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 438.9 kB (58%)

Content Size

752.1 kB

After Optimization

313.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cjc.jeunes-chercheurs.org main page is 752.1 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. 25% of websites need less resources to load. Images take 362.5 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 7.8 kB

  • Original 11.4 kB
  • After minification 10.7 kB
  • After compression 3.6 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 7.8 kB or 69% of the original size.

Image Optimization

-64%

Potential reduce by 232.6 kB

  • Original 362.5 kB
  • After minification 129.8 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, CJC Jeunes Chercheurs needs image optimization as it can save up to 232.6 kB or 64% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-51%

Potential reduce by 184.5 kB

  • Original 361.0 kB
  • After minification 359.4 kB
  • After compression 176.4 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 184.5 kB or 51% of the original size.

CSS Optimization

-81%

Potential reduce by 13.9 kB

  • Original 17.3 kB
  • After minification 14.1 kB
  • After compression 3.4 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. Cjc.jeunes-chercheurs.org needs all CSS files to be minified and compressed as it can save up to 13.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (60%)

Requests Now

30

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CJC Jeunes Chercheurs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

cjc.jeunes-chercheurs.org

cjc.jeunes-chercheurs.org

243 ms

ecran.css

ecran.css

93 ms

iconize.css

iconize.css

168 ms

outils.js

outils.js

183 ms

jsapi

jsapi

42 ms

prototype.js

prototype.js

33 ms

scriptaculous.js

scriptaculous.js

35 ms

js

js

51 ms

accueil.css

accueil.css

199 ms

builder.js

builder.js

3 ms

effects.js

effects.js

5 ms

dragdrop.js

dragdrop.js

8 ms

controls.js

controls.js

10 ms

slider.js

slider.js

11 ms

sound.js

sound.js

9 ms

impression.css

impression.css

93 ms

ga.js

ga.js

4 ms

bg.gif

bg.gif

96 ms

background.png

background.png

85 ms

tete.jpg

tete.jpg

365 ms

cjc_developpe.png

cjc_developpe.png

251 ms

atom.png

atom.png

167 ms

cjc.png

cjc.png

168 ms

icon_pdf.gif

icon_pdf.gif

181 ms

facebook.png

facebook.png

370 ms

twitter.png

twitter.png

581 ms

__utm.gif

__utm.gif

12 ms

common.js

common.js

4 ms

util.js

util.js

17 ms

stats.js

stats.js

16 ms

AuthenticationService.Authenticate

AuthenticationService.Authenticate

38 ms

Accessibility Review

cjc.jeunes-chercheurs.org accessibility score

72

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.

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

Best Practices

cjc.jeunes-chercheurs.org best practices score

67

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cjc.jeunes-chercheurs.org SEO score

69

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

    FR

  • Encoding

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cjc.jeunes-chercheurs.org 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 Cjc.jeunes-chercheurs.org 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

cjc.jeunes-chercheurs.org

Open Graph description is not detected on the main page of CJC Jeunes Chercheurs. 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: