Lejdd.fr Actualités du jour | JDD
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lejdd.fr Mobile Performance
22/100
These metrics represent real-world Chrome users experience viewing lejdd.fr 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
First Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Total Blocking Time0/100 3,160 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Time to Interactive3/100 19.4 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Largest Contentful Paint14/100 6.0 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 Paint62/100 3.5 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (18)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Remove unused JavaScript
Potential savings of 727 KiB
7,200 ms
Enable text compression
Potential savings of 163 KiB
3,150 ms
Eliminate render-blocking resources
Potential savings of 1,140 ms
1,142 ms
Remove unused CSS
Potential savings of 20 KiB
750 ms
Defer offscreen images
Potential savings of 25 KiB
600 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Reduce the impact of third-party code
Third-party code blocked the main thread for 990 ms
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Serve static assets with an efficient cache policy
39 resources found
Minimize main-thread work
9.8 s
Reduce JavaScript execution time
6.0 s
Avoid an excessive DOM size
1,243 elements
Avoid chaining critical requests
9 chains found
Keep request counts low and transfer sizes small
134 requests • 1,802 KiB
User Timing marks and measures
6 user timings
Avoid long main-thread tasks
20 long tasks found
Largest Contentful Paint element
1 element found
Avoid large layout shifts
1 element found
Passed Audits (12)
Use video formats for animated content
Avoids `document.write()`
Properly size images
Preconnect to required origins
Minify JavaScript
Potential savings of 4 KiB
Preload key requests
Avoid multiple page redirects
Potential savings of 630 ms
Avoids enormous network payloads
Total size was 1,802 KiB
Minify CSS
Efficiently encode images
Initial server response time was short
Root document took 260 ms
Serve images in next-gen formats
lejdd.fr Mobile SEO
99/100
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 (1)
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
96% appropriately sized tap targets
Passed Audits (13)
robots.txt is valid
Document uses legible font sizes
94.67% legible text
Document has a valid `hreflang`
Links are crawlable
Document has a `<title>` element
Image elements have `[alt]` attributes
Document has a meta description
Document has a valid `rel=canonical`
Page isn’t blocked from indexing
Links have descriptive text
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Document avoids plugins
Page has successful HTTP status code
lejdd.fr Mobile Best Practices
69/100
These checks highlight opportunities to improve the overall code health of lejdd.fr 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 (4)
User Experience
Serves images with low resolution
Trust and Safety
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
Includes front-end JavaScript libraries with known security vulnerabilities
9 vulnerabilities detected
Passed Audits (10)
Displays images with correct aspect ratio
Avoids deprecated APIs
Avoids Application Cache
Avoids requesting the notification permission on page load
Allows users to paste into password fields
No browser errors logged to the console
Detected JavaScript libraries
Page has the HTML doctype
Properly defines charset
Avoids requesting the geolocation permission on page load
lejdd.fr Mobile Progressive Web App
29/100
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
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive at 19.4 s
Installable
Does not register a service worker that controls page and `start_url`
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Passed Audits (6)
Contains some content when JavaScript is not available
Sets a theme color for the address bar.
Provides a valid `apple-touch-icon`
Content is sized correctly for the viewport
Redirects HTTP traffic to HTTPS
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
lejdd.fr Mobile Accessibility
78/100
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.
`<frame>` or `<iframe>` elements do not have a title
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (13)
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
ARIA IDs are unique
Document has a `<title>` element
`[id]` attributes on active, focusable elements are unique
Image elements have `[alt]` attributes
`<html>` element has a `[lang]` attribute
`[aria-hidden="true"]` elements do not contain focusable descendents
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
`<html>` element has a valid value for its `[lang]` attribute
`[aria-hidden="true"]` is not present on the document `<body>`
Heading elements appear in a sequentially-descending order
The page contains a heading, skip link, or landmark region
Mobile Usability
99/100
These checks validate how easily a visitor can use lejdd.fr 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
45/100
These checks analyze the performance of lejdd.fr 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 (7)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Avoid landing page redirects
Leverage browser caching
Prioritize visible content
Enable compression
Optimize images
Minify JavaScript
Passed Audits (3)
Reduce server response time
Minify CSS
Minify HTML
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