Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

bat710.univ-lyon1.fr

Université Claude Bernard Lyon 1

Page Load Speed

3.7 sec in total

First Response

376 ms

Resources Loaded

3.1 sec

Page Rendered

196 ms

bat710.univ-lyon1.fr screenshot

About Website

Visit bat710.univ-lyon1.fr now to see the best up-to-date Bat 710 Univ Lyon 1 content for France and also check out these interesting facts you probably never knew about bat710.univ-lyon1.fr

Les activités de formation et de recherche dans les secteurs des sciences de la santé, des sciences et technologies et des sciences du sport, situent L'Université Lyon 1 au tout premier rang des u...

Visit bat710.univ-lyon1.fr

Key Findings

We analyzed Bat710.univ-lyon1.fr page load time and found that the first response time was 376 ms and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

bat710.univ-lyon1.fr performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value9.7 s

10/100

10%

TBT (Total Blocking Time)

Value1,990 ms

8/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value16.2 s

6/100

10%

Network Requests Diagram

bat710.univ-lyon1.fr

376 ms

fst-informatique.univ-lyon1.fr

369 ms

fst-informatique.univ-lyon1.fr

733 ms

e4961f2e5f3152095a9869d6ce76c1eaafb5cb0c.css

97 ms

5f2f69e77c17fa430d63b190a64ce2794f0d93f1.css

214 ms

Our browser made a total of 49 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Bat710.univ-lyon1.fr, 73% (36 requests) were made to Fst-informatique.univ-lyon1.fr and 10% (5 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.1 sec) relates to the external source Fst-informatique.univ-lyon1.fr.

Page Optimization Overview & Recommendations

Page size can be reduced by 62.5 kB (10%)

Content Size

595.8 kB

After Optimization

533.4 kB

In fact, the total size of Bat710.univ-lyon1.fr main page is 595.8 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 294.9 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 41.4 kB

  • Original 51.3 kB
  • After minification 46.5 kB
  • After compression 9.9 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 41.4 kB or 81% of the original size.

Image Optimization

-6%

Potential reduce by 17.5 kB

  • Original 294.9 kB
  • After minification 277.4 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. Bat 710 Univ Lyon 1 images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 3.1 kB

  • Original 187.4 kB
  • After minification 187.4 kB
  • After compression 184.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-1%

Potential reduce by 503 B

  • Original 62.3 kB
  • After minification 62.3 kB
  • After compression 61.8 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. Bat710.univ-lyon1.fr has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 28 (65%)

Requests Now

43

After Optimization

15

The browser has sent 43 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bat 710 Univ Lyon 1. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 15 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

bat710.univ-lyon1.fr accessibility score

92

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

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

bat710.univ-lyon1.fr best practices score

75

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

Missing source maps for large first-party JavaScript

SEO Factors

bat710.univ-lyon1.fr SEO score

83

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 uses legible font sizes

High

Tap targets are not sized appropriately

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 Bat710.univ-lyon1.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 Bat710.univ-lyon1.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 data is detected on the main page of Bat 710 Univ Lyon 1. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: