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canel2.em-lyon.com screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    70% of other websites

  • 53

    Accessibility

    Visual factors better than
    that of 22% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 46

    SEO

    Google-friendlier than
    18% of websites

canel2.em-lyon.com

Page Load Speed

2.1 sec in total

First Response

339 ms

Resources Loaded

1.6 sec

Page Rendered

100 ms

canel2.em-lyon.com screenshot

About Website

Welcome to canel2.em-lyon.com homepage info - get ready to check Canel 2 Em Lyon best content for France right away, or after learning these important things about canel2.em-lyon.com

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Key Findings

We analyzed Canel2.em-lyon.com page load time and found that the first response time was 339 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster. This domain responded with an error, which can significantly jeopardize Canel2.em-lyon.com rating and web reputation

Performance Metrics

canel2.em-lyon.com performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value7.4 s

28/100

10%

TBT (Total Blocking Time)

Value230 ms

87/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.3 s

61/100

10%

Network Requests Diagram

canel2.em-lyon.com

339 ms

Missing

100 ms

LogOff

115 ms

jquery.ui.all.css

107 ms

jquery-ui-1.9.1.custom.min.css

218 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that all of those requests were addressed to Canel2.em-lyon.com and no external sources were called. The less responsive or slowest element that took the longest time to load (822 ms) belongs to the original domain Canel2.em-lyon.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 672.8 kB (78%)

Content Size

865.1 kB

After Optimization

192.4 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Canel2.em-lyon.com main page is 865.1 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. Javascripts take 704.8 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 3.1 kB

  • Original 4.1 kB
  • After minification 3.4 kB
  • After compression 1.0 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 725 B, which is 18% 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 3.1 kB or 75% of the original size.

Image Optimization

-41%

Potential reduce by 16.4 kB

  • Original 39.8 kB
  • After minification 23.4 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. Obviously, Canel 2 Em Lyon needs image optimization as it can save up to 16.4 kB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-79%

Potential reduce by 556.6 kB

  • Original 704.8 kB
  • After minification 542.2 kB
  • After compression 148.2 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 556.6 kB or 79% of the original size.

CSS Optimization

-83%

Potential reduce by 96.7 kB

  • Original 116.4 kB
  • After minification 89.3 kB
  • After compression 19.7 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. Canel2.em-lyon.com needs all CSS files to be minified and compressed as it can save up to 96.7 kB or 83% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (83%)

Requests Now

36

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 36 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Canel 2 Em Lyon. 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 from 21 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

canel2.em-lyon.com

canel2.em-lyon.com

339 ms

Missing

Missing

100 ms

LogOff

LogOff

115 ms

jquery.ui.all.css

jquery.ui.all.css

107 ms

jquery-ui-1.9.1.custom.min.css

jquery-ui-1.9.1.custom.min.css

218 ms

siteMetro.css

siteMetro.css

211 ms

jquery-ui.css

jquery-ui.css

333 ms

popup.css

popup.css

204 ms

tuiles.css

tuiles.css

213 ms

formulaire.css

formulaire.css

312 ms

canel-custom.css

canel-custom.css

308 ms

jquery-1.9.1.js

jquery-1.9.1.js

545 ms

jquery.ui.datepicker-en.js

jquery.ui.datepicker-en.js

309 ms

jquery.validate.min.js

jquery.validate.min.js

411 ms

jquery-ui-1.9.1.custom.min.js

jquery-ui-1.9.1.custom.min.js

822 ms

MicrosoftAjax.js

MicrosoftAjax.js

435 ms

MicrosoftMvcValidation.js

MicrosoftMvcValidation.js

520 ms

formulaire.js

formulaire.js

439 ms

jquery.form.js

jquery.form.js

607 ms

upLoadHandler.js

upLoadHandler.js

545 ms

tuiles.js

tuiles.js

536 ms

script.js

script.js

616 ms

PingHandler.js

PingHandler.js

636 ms

jquery.ui.base.css

jquery.ui.base.css

541 ms

jquery.ui.theme.css

jquery.ui.theme.css

553 ms

jquery.ui.core.css

jquery.ui.core.css

108 ms

jquery.ui.resizable.css

jquery.ui.resizable.css

103 ms

jquery.ui.selectable.css

jquery.ui.selectable.css

109 ms

jquery.ui.accordion.css

jquery.ui.accordion.css

111 ms

jquery.ui.autocomplete.css

jquery.ui.autocomplete.css

114 ms

jquery.ui.button.css

jquery.ui.button.css

201 ms

jquery.ui.dialog.css

jquery.ui.dialog.css

204 ms

jquery.ui.slider.css

jquery.ui.slider.css

212 ms

jquery.ui.tabs.css

jquery.ui.tabs.css

214 ms

jquery.ui.datepicker.css

jquery.ui.datepicker.css

209 ms

jquery.ui.progressbar.css

jquery.ui.progressbar.css

275 ms

body.gif

body.gif

100 ms

Logo.gif

Logo.gif

105 ms

canel.png

canel.png

102 ms

foot.png

foot.png

100 ms

Accessibility Review

canel2.em-lyon.com accessibility score

53

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

canel2.em-lyon.com best practices score

67

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

Browser errors were logged to the console

SEO Factors

canel2.em-lyon.com SEO score

46

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

Document doesn't have a <title> element

High

Image elements do not have [alt] attributes

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Canel2.em-lyon.com can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Canel2.em-lyon.com 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

canel2.em-lyon.com

Open Graph description is not detected on the main page of Canel 2 Em Lyon. 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: