Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 41% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

adonis.u-psud.fr

Annuaire | Université Paris-Saclay

Page Load Speed

17.1 sec in total

First Response

803 ms

Resources Loaded

16.1 sec

Page Rendered

130 ms

adonis.u-psud.fr screenshot

About Website

Welcome to adonis.u-psud.fr homepage info - get ready to check Adonis U Psud best content for France right away, or after learning these important things about adonis.u-psud.fr

Bienvenue sur l'annuair de l'Université Paris-Saclay.

Visit adonis.u-psud.fr

Key Findings

We analyzed Adonis.u-psud.fr page load time and found that the first response time was 803 ms and then it took 16.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

adonis.u-psud.fr performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value9.3 s

1/100

25%

SI (Speed Index)

Value13.9 s

1/100

10%

TBT (Total Blocking Time)

Value12,170 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value28.6 s

0/100

10%

Network Requests Diagram

personnel.php

803 ms

ups.css

400 ms

adonis.css

165 ms

dojo.js

480 ms

functions.js

167 ms

Our browser made a total of 19 requests to load all elements on the main page. We found that 95% of them (18 requests) were addressed to the original Adonis.u-psud.fr, 5% (1 request) were made to Stat.di.u-psud.fr. The less responsive or slowest element that took the longest time to load (10.1 sec) belongs to the original domain Adonis.u-psud.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 462.4 kB (72%)

Content Size

640.0 kB

After Optimization

177.6 kB

In fact, the total size of Adonis.u-psud.fr main page is 640.0 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 397.3 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 19.7 kB

  • Original 24.7 kB
  • After minification 20.7 kB
  • After compression 5.0 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 4.0 kB, which is 16% 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 19.7 kB or 80% of the original size.

Image Optimization

-11%

Potential reduce by 1.2 kB

  • Original 10.2 kB
  • After minification 9.0 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, Adonis U Psud needs image optimization as it can save up to 1.2 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

-67%

Potential reduce by 266.9 kB

  • Original 397.3 kB
  • After minification 392.9 kB
  • After compression 130.3 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 266.9 kB or 67% of the original size.

CSS Optimization

-84%

Potential reduce by 174.6 kB

  • Original 207.9 kB
  • After minification 181.8 kB
  • After compression 33.2 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. Adonis.u-psud.fr needs all CSS files to be minified and compressed as it can save up to 174.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (28%)

Requests Now

18

After Optimization

13

The browser has sent 18 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Adonis U Psud. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

adonis.u-psud.fr accessibility score

74

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s do not have all required [aria-*] attributes

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

adonis.u-psud.fr best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

adonis.u-psud.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 Adonis.u-psud.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 Adonis.u-psud.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 Adonis U Psud. 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: