Tools & Wizards About Us

Report Summary

  • 46

    Performance

    Renders faster than
    64% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

cours.unjf.fr

Accueil | Cours UNJF

Page Load Speed

3.1 sec in total

First Response

420 ms

Resources Loaded

2.5 sec

Page Rendered

174 ms

About Website

Visit cours.unjf.fr now to see the best up-to-date Cours UNJF content for France and also check out these interesting facts you probably never knew about cours.unjf.fr

Cours de droit et science politique en libre accès pour les universités partenaires de l'Université Numérique Juridique Francophone (UNJF)

Visit cours.unjf.fr

Key Findings

We analyzed Cours.unjf.fr page load time and found that the first response time was 420 ms and then it took 2.7 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

cours.unjf.fr performance score

46

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

25/100

10%

LCP (Largest Contentful Paint)

Value4.4 s

39/100

25%

SI (Speed Index)

Value7.2 s

30/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.8 s

5/100

10%

Network Requests Diagram

cours.unjf.fr

420 ms

cours.unjf.fr

463 ms

yui_combo.php

92 ms

all

360 ms

polyfill.js

420 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 68% of them (17 requests) were addressed to the original Cours.unjf.fr, 16% (4 requests) were made to Platform.twitter.com and 8% (2 requests) were made to Piwik.univ-lille.fr. The less responsive or slowest element that took the longest time to load (836 ms) belongs to the original domain Cours.unjf.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 295.2 kB (22%)

Content Size

1.3 MB

After Optimization

1.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Cours.unjf.fr main page is 1.3 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. 25% of websites need less resources to load. Images take 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 39.6 kB

  • Original 51.2 kB
  • After minification 44.5 kB
  • After compression 11.6 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. This page needs HTML code to be minified as it can gain 6.7 kB, which is 13% 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 39.6 kB or 77% of the original size.

Image Optimization

-22%

Potential reduce by 255.5 kB

  • Original 1.2 MB
  • After minification 899.0 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. Obviously, Cours UNJF needs image optimization as it can save up to 255.5 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 142 B

  • Original 109.0 kB
  • After minification 109.0 kB
  • After compression 108.8 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cours UNJF. 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 as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cours.unjf.fr accessibility score

100

Accessibility Issues

Best Practices

cours.unjf.fr best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

cours.unjf.fr SEO score

100

Search Engine Optimization Advices

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

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 Cours.unjf.fr 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 Cours.unjf.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 description is not detected on the main page of Cours UNJF. 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: