Index-education.net INDEX-EDUCATION : Logiciels pour les ?tablissements scolaires. Emplois du temps, vie scolaire, notes, absences
INDEX-EDUCATION - EDT : logiciel d'emploi du temps pour les collèges et lycées. PRONOTE : un seul logiciel pour toute la vie scolaire. HYPERPLANNING :...
index-education.net Mobile Performance
47/100
These metrics represent real-world Chrome users experience viewing index-education.net on mobile devices. Reports are focused on loading performance and other critical factors that most affect user experience. Follow our guide to track, optimize, and improve the quality of your web pages.
User Loading Experience
Largest Contentful Paint
Cumulative Layout Shift
First Contentful Paint
First Input Delay
Metrics
Largest Contentful Paint1/100 9.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index26/100 7.6 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint39/100 4.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive52/100 7.1 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time98/100 180 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift100/100 0.001
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (14)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 3,160 ms
3,160 ms
Remove unused CSS
Potential savings of 88 KiB
900 ms
Serve images in next-gen formats
Potential savings of 137 KiB
600 ms
Reduce initial server response time
Root document took 920 ms
322 ms
Efficiently encode images
Potential savings of 32 KiB
150 ms
Minify CSS
Potential savings of 7 KiB
150 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Ensure text remains visible during webfont load
Serve static assets with an efficient cache policy
22 resources found
Minimize main-thread work
2.2 s
Avoid large layout shifts
2 elements found
Avoid long main-thread tasks
8 long tasks found
Keep request counts low and transfer sizes small
40 requests • 836 KiB
Avoid chaining critical requests
20 chains found
Largest Contentful Paint element
1 element found
Passed Audits (15)
Avoid multiple page redirects
Potential savings of 630 ms
JavaScript execution time
0.4 s
Preload key requests
Defer offscreen images
Minimize third-party usage
Third-party code blocked the main thread for 10 ms
Avoids enormous network payloads
Total size was 836 KiB
Remove unused JavaScript
Avoids `document.write()`
Preconnect to required origins
Enable text compression
Use video formats for animated content
Avoids an excessive DOM size
331 elements
Uses passive listeners to improve scrolling performance
Minify JavaScript
Potential savings of 3 KiB
Properly size images
index-education.net Mobile SEO
89/100
These checks ensure that your page is optimized for search engine results ranking. There are additional factors Lighthouse does not check that may affect your search ranking. Learn more. Run these additional validators on your site to check additional SEO best practices.
Should Fix (2)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
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.
Tap targets are not sized appropriately
60% appropriately sized tap targets
Passed Audits (12)
Document uses legible font sizes
96.27% legible text
Document has a valid `rel=canonical`
Document has a valid `hreflang`
robots.txt is valid
Document has a `<title>` element
Page has successful HTTP status code
Page isn’t blocked from indexing
Document has a meta description
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Links are crawlable
Document avoids plugins
index-education.net Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of index-education.net mobile page. Current recommendations will help to make your page fast and secure, to create a good user experience and to avoid deprecated technologies.
Should Fix (3)
Trust and Safety
Does not use HTTPS
1 insecure request found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
User Experience
Displays images with incorrect aspect ratio
Passed Audits (11)
Avoids Application Cache
Properly defines charset
Page has the HTML doctype
Avoids deprecated APIs
Serves images with appropriate resolution
Avoids requesting the geolocation permission on page load
Detected JavaScript libraries
Allows users to paste into password fields
Links to cross-origin destinations are safe
No browser errors logged to the console
Avoids requesting the notification permission on page load
index-education.net Mobile Progressive Web App
50/100
These checks validate the aspects of a Progressive Web App. Learn more. These checks are required by the baseline PWA Checklist but are not automatically checked by Lighthouse. They do not affect your score but it's important that you verify them manually.
Should Fix (8)
PWA Optimized
Does not set a theme color for the address bar.
Is not configured for a custom splash screen
Manifest doesn't have a maskable icon
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Installable
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
Does not register a service worker that controls page and `start_url`
Passed Audits (6)
Redirects HTTP traffic to HTTPS
Content is sized correctly for the viewport
Provides a valid `apple-touch-icon`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
index-education.net Mobile Accessibility
83/100
These checks highlight opportunities to improve the accessibility of your web app. Only a subset of accessibility issues can be automatically detected so manual testing is also encouraged. These items address areas which an automated testing tool cannot cover. Learn more in our guide on conducting an accessibility review.
Should Fix (4)
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.
Image elements do not have `[alt]` attributes
Links do not have a discernible name
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (14)
`<html>` element has a `[lang]` attribute
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Document has a `<title>` element
`[id]` attributes on active, focusable elements are unique
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`[role]`s are contained by their required parent element
The page contains a heading, skip link, or landmark region
Heading elements appear in a sequentially-descending order
`[role]` values are valid
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
Buttons have an accessible name
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
`<html>` element has a valid value for its `[lang]` attribute
Mobile Usability
98/100
These checks validate how easily a visitor can use index-education.net on a mobile device. Test results include a list of any mobile usability problems. Mobile usability problems are issues that can affect a user that visits the page on a mobile (small screen) device, including small font sizes (which are hard to read on a small screen).
Should Fix (1)
Size tap targets appropriately
Passed Audits (4)
Avoid plugins
Configure the viewport
Size content to viewport
Use legible font sizes
Mobile Speed
64/100
These checks analyze the performance of index-education.net on mobile devices and return PageSpeed score and information on how to improve the load time. What makes a good Progressive Web App?
Should Fix (6)
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Reduce server response time
Leverage browser caching
Minify CSS
Minify JavaScript
Passed Audits (4)
Avoid landing page redirects
Enable compression
Minify HTML
Prioritize visible content
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