Report Summary

  • 36

    Performance

    Renders faster than
    56% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

clesco.univ-tlse2.fr

UT2J - Ecole Doctorale CLESCO (Comportement, Langage, Education, Socialisation, Cognition)

Page Load Speed

4.5 sec in total

First Response

945 ms

Resources Loaded

3.3 sec

Page Rendered

268 ms

clesco.univ-tlse2.fr screenshot

About Website

Welcome to clesco.univ-tlse2.fr homepage info - get ready to check CLESCO Univ Tlse 2 best content for France right away, or after learning these important things about clesco.univ-tlse2.fr

Visit clesco.univ-tlse2.fr

Key Findings

We analyzed Clesco.univ-tlse2.fr page load time and found that the first response time was 945 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

clesco.univ-tlse2.fr performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.9 s

26/100

10%

LCP (Largest Contentful Paint)

Value16.0 s

0/100

25%

SI (Speed Index)

Value7.6 s

26/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.262

47/100

15%

TTI (Time to Interactive)

Value10.9 s

22/100

10%

Network Requests Diagram

clesco.univ-tlse2.fr

945 ms

css

66 ms

agenda.css

395 ms

agenda_encadre.css

295 ms

saisie_evenement.css

200 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 92% of them (54 requests) were addressed to the original Clesco.univ-tlse2.fr, 3% (2 requests) were made to S7.addthis.com and 2% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Clesco.univ-tlse2.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 788.7 kB (64%)

Content Size

1.2 MB

After Optimization

436.8 kB

In fact, the total size of Clesco.univ-tlse2.fr main page is 1.2 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. 35% of websites need less resources to load. Javascripts take 817.7 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 65.2 kB

  • Original 86.3 kB
  • After minification 80.4 kB
  • After compression 21.1 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 65.2 kB or 76% of the original size.

Image Optimization

-7%

Potential reduce by 13.1 kB

  • Original 189.5 kB
  • After minification 176.4 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. CLESCO Univ Tlse 2 images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 599.0 kB

  • Original 817.7 kB
  • After minification 694.6 kB
  • After compression 218.7 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 599.0 kB or 73% of the original size.

CSS Optimization

-84%

Potential reduce by 111.4 kB

  • Original 132.0 kB
  • After minification 90.1 kB
  • After compression 20.6 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. Clesco.univ-tlse2.fr needs all CSS files to be minified and compressed as it can save up to 111.4 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (76%)

Requests Now

58

After Optimization

14

The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CLESCO Univ Tlse 2. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 29 to 1 for JavaScripts and from 12 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

clesco.univ-tlse2.fr accessibility score

77

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

High

Some elements have a [tabindex] value greater than 0

Best Practices

clesco.univ-tlse2.fr best practices score

62

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

Uses deprecated APIs

High

Missing source maps for large first-party JavaScript

High

Issues were logged in the Issues panel in Chrome Devtools

SEO Factors

clesco.univ-tlse2.fr SEO score

86

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

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

    ISO-8859-1

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Clesco.univ-tlse2.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 Clesco.univ-tlse2.fr 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

Open Graph description is not detected on the main page of CLESCO Univ Tlse 2. 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: