Caf.fr Bienvenue sur Caf.fr | caf.fr
caf.fr Desktop Performance
84/100
These metrics represent real-world Chrome users experience viewing caf.fr web page. 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
First Input Delay
Cumulative Layout Shift
Metrics
Speed Index45/100 2.4 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Largest Contentful Paint77/100 1.6 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint91/100 0.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Cumulative Layout Shift91/100 0.094
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Time to Interactive96/100 2.0 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time100/100 30 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Should Fix (13)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 530 ms
533 ms
Serve images in next-gen formats
Potential savings of 755 KiB
480 ms
Efficiently encode images
Potential savings of 493 KiB
360 ms
Reduce initial server response time
Root document took 810 ms
207 ms
Remove unused JavaScript
Potential savings of 123 KiB
120 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
5 resources found
Avoid an excessive DOM size
1,148 elements
Avoid large layout shifts
5 elements found
Keep request counts low and transfer sizes small
44 requests • 1,518 KiB
Avoid long main-thread tasks
2 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
16 chains found
Passed Audits (15)
Enable text compression
Potential savings of 12 KiB
Minify JavaScript
Potential savings of 9 KiB
Uses passive listeners to improve scrolling performance
Avoids `document.write()`
Defer offscreen images
Preload key requests
Minimizes main-thread work
0.7 s
Properly size images
JavaScript execution time
0.3 s
Use video formats for animated content
Minify CSS
Preconnect to required origins
Avoids enormous network payloads
Total size was 1,518 KiB
Remove unused CSS
Potential savings of 48 KiB
Avoid multiple page redirects
Potential savings of 190 ms
caf.fr Desktop SEO
92/100
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)
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Document does not have a meta description
Passed Audits (11)
Document avoids plugins
robots.txt is valid
Document has a valid `rel=canonical`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
Document has a `<title>` element
Image elements have `[alt]` attributes
Links are crawlable
Document has a valid `hreflang`
Page has successful HTTP status code
Page isn’t blocked from indexing
caf.fr Desktop Best Practices
77/100
These checks highlight opportunities to improve the overall code health of caf.fr 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
Links to cross-origin destinations are unsafe
Does not use HTTPS
43 insecure requests found
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Passed Audits (11)
No browser errors logged to the console
Avoids requesting the geolocation permission on page load
Avoids deprecated APIs
Detected JavaScript libraries
Avoids Application Cache
Serves images with appropriate resolution
Page has the HTML doctype
Displays images with correct aspect ratio
Allows users to paste into password fields
Properly defines charset
Avoids requesting the notification permission on page load
caf.fr Desktop Progressive Web App
0/100
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 (11)
Fast and reliable
Current page does not respond with a 200 when offline
`start_url` does not respond with a 200 when offline
PWA Optimized
Is not configured for a custom splash screen
Does not set a theme color for the address bar.
Manifest doesn't have a maskable icon
Does not provide a valid `apple-touch-icon`
Redirects HTTP traffic to HTTPS
Contains some content when JavaScript is not available
Installable
Does not use HTTPS
43 insecure requests found
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Passed Audits (2)
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Page load is fast enough on mobile networks
caf.fr Desktop Accessibility
81/100
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 (6)
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.
ARIA input fields do not have accessible names
ARIA IDs are not unique
Elements with an ARIA `[role]` that require children to contain a specific `[role]` are missing some or all of those required children.
Navigation
These are opportunities to improve keyboard navigation in your application.
Heading elements are not in a sequentially-descending order
Tables and lists
These are opportunities to to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
List items (`<li>`) are not contained within `<ul>` or `<ol>` parent elements.
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (19)
`[aria-*]` attributes match their roles
Form elements have associated labels
Links have a discernible name
`<html>` element has a `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
`[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
Buttons have an accessible name
Document has a `<title>` element
`[role]` values are valid
`[aria-*]` attributes have valid values
Image elements have `[alt]` attributes
`[role]`s are contained by their required parent element
`[aria-hidden="true"]` is not present on the document `<body>`
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` elements do not contain focusable descendents
The page contains a heading, skip link, or landmark region
`[aria-*]` attributes are valid and not misspelled
Desktop Speed
70/100
These checks analyze the performance of caf.fr on desktop 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
Leverage browser caching
Enable compression
Minify JavaScript
Minify HTML
Passed Audits (4)
Avoid landing page redirects
Reduce server response time
Minify CSS
Prioritize visible content
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