Silicon.fr L'actualité informatique et high-tech pour décideurs IT.
Retrouvez l'actualité informatique et high-tech pour les professionnels de l’IT : les solutions sécurité, cloud, big data et des livres blancs IT…
silicon.fr Desktop Performance
45/100
These metrics represent real-world Chrome users experience viewing silicon.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 Index8/100 4.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint35/100 1.9 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive45/100 4.8 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Largest Contentful Paint49/100 2.4 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Total Blocking Time59/100 300 ms
Sum of all time periods between FCP and Time to Interactive, when task length exceeded 50ms, expressed in milliseconds. Learn more.
Cumulative Layout Shift93/100 0.085
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.
Eliminate render-blocking resources
Potential savings of 1,570 ms
1,570 ms
Remove unused JavaScript
Potential savings of 220 KiB
380 ms
Avoid multiple page redirects
Potential savings of 340 ms
340 ms
Reduce initial server response time
Root document took 900 ms
296 ms
Remove unused CSS
Potential savings of 76 KiB
100 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Avoid `document.write()`
Ensure text remains visible during webfont load
Does not use passive listeners to improve scrolling performance
Reduce the impact of third-party code
Third-party code blocked the main thread for 430 ms
Minimize main-thread work
5.2 s
Serve static assets with an efficient cache policy
19 resources found
Avoid an excessive DOM size
1,285 elements
Reduce JavaScript execution time
2.8 s
Avoid long main-thread tasks
10 long tasks found
Keep request counts low and transfer sizes small
222 requests • 1,938 KiB
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
41 chains found
Avoid large layout shifts
5 elements found
Passed Audits (11)
Minify CSS
Defer offscreen images
Potential savings of 9 KiB
Minify JavaScript
Potential savings of 3 KiB
Preload key requests
Efficiently encode images
Serve images in next-gen formats
Potential savings of 191 KiB
Avoids enormous network payloads
Total size was 1,938 KiB
Preconnect to required origins
Use video formats for animated content
Properly size images
Potential savings of 19 KiB
Enable text compression
silicon.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.
Image elements do not have `[alt]` attributes
Passed Audits (11)
robots.txt is valid
Document has a valid `hreflang`
Links are crawlable
Document avoids plugins
Page isn’t blocked from indexing
Page has successful HTTP status code
Document has a meta description
Document has a valid `rel=canonical`
Document has a `<title>` element
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Links have descriptive text
silicon.fr Desktop Best Practices
69/100
These checks highlight opportunities to improve the overall code health of silicon.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 (4)
Trust and Safety
Includes front-end JavaScript libraries with known security vulnerabilities
4 vulnerabilities detected
Does not use HTTPS
1 insecure request found
Links to cross-origin destinations are unsafe
General
Browser errors were logged to the console
Passed Audits (10)
Serves images with appropriate resolution
Properly defines charset
Detected JavaScript libraries
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Page has the HTML doctype
Avoids requesting the geolocation permission on page load
Avoids Application Cache
Avoids deprecated APIs
Displays images with correct aspect ratio
silicon.fr Desktop Progressive Web App
22/100
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 (9)
Installable
Does not use HTTPS
1 insecure request found
Web app manifest does not meet the installability requirements
Does not register a service worker that controls page and `start_url`
Fast and reliable
`start_url` does not respond with a 200 when offline
Page load is not fast enough on mobile networks
Interactive on simulated mobile network at 21.5 s
Current page does not respond with a 200 when offline
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
Passed Audits (4)
Redirects HTTP traffic to HTTPS
Provides a valid `apple-touch-icon`
Contains some content when JavaScript is not available
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
silicon.fr Desktop Accessibility
74/100
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)
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
Form elements do not have associated labels
`<frame>` or `<iframe>` elements do not have a title
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.
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 (14)
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
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.
`[role]`s are contained by their required parent element
`<html>` element has a valid value for its `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
`[role]` values are valid
`[role]`s have all required `[aria-*]` attributes
`[aria-hidden="true"]` is not present on the document `<body>`
`<html>` element has a `[lang]` attribute
Document has a `<title>` element
Buttons have an accessible name
Heading elements appear in a sequentially-descending order
The page contains a heading, skip link, or landmark region
Desktop Speed
65/100
These checks analyze the performance of silicon.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 (7)
Enable compression
Optimize images
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Leverage browser caching
Minify JavaScript
Prioritize visible content
Minify CSS
Passed Audits (3)
Avoid landing page redirects
Reduce server response time
Minify HTML
www.silicon.com
www.silicon.net
www.silicon.org
www.silicon.info
www.silicon.biz
www.silicon.us
www.silicon.mobi
www.ilicon.fr
www.silicon.fr
www.wilicon.fr
www.swilicon.fr
www.wsilicon.fr
www.eilicon.fr
www.seilicon.fr
www.esilicon.fr
www.dilicon.fr
www.sdilicon.fr
www.dsilicon.fr
www.zilicon.fr
www.szilicon.fr
www.zsilicon.fr
www.xilicon.fr
www.sxilicon.fr
www.xsilicon.fr
www.ailicon.fr
www.sailicon.fr
www.asilicon.fr
www.slicon.fr
www.sulicon.fr
www.siulicon.fr
www.suilicon.fr
www.sjlicon.fr
www.sijlicon.fr
www.sjilicon.fr
www.sklicon.fr
www.siklicon.fr
www.skilicon.fr
www.solicon.fr
www.siolicon.fr
www.soilicon.fr
www.siicon.fr
www.sipicon.fr
www.silpicon.fr
www.siplicon.fr
www.sioicon.fr
www.siloicon.fr
www.sikicon.fr
www.silkicon.fr
www.silcon.fr
www.silucon.fr
www.siliucon.fr
www.siluicon.fr
www.siljcon.fr
www.silijcon.fr
www.siljicon.fr
www.silkcon.fr
www.silikcon.fr
www.silocon.fr
www.siliocon.fr
www.silion.fr
www.silixon.fr
www.silicxon.fr
www.silixcon.fr
www.silidon.fr
www.silicdon.fr
www.silidcon.fr
www.silifon.fr
www.silicfon.fr
www.silifcon.fr
www.silivon.fr
www.silicvon.fr
www.silivcon.fr
www.silicn.fr
www.silicin.fr
www.silicoin.fr
www.silicion.fr
www.silickn.fr
www.silicokn.fr
www.silickon.fr
www.silicln.fr
www.silicoln.fr
www.siliclon.fr
www.silicpn.fr
www.silicopn.fr
www.silicpon.fr
www.silico.fr
www.silicob.fr
www.siliconb.fr
www.silicobn.fr
www.silicoh.fr
www.siliconh.fr
www.silicohn.fr
www.silicoj.fr
www.siliconj.fr
www.silicojn.fr
www.silicom.fr
www.siliconm.fr
www.silicomn.fr
www.silicon.net
www.silicon.org
www.silicon.info
www.silicon.biz
www.silicon.us
www.silicon.mobi
www.ilicon.fr
www.silicon.fr
www.wilicon.fr
www.swilicon.fr
www.wsilicon.fr
www.eilicon.fr
www.seilicon.fr
www.esilicon.fr
www.dilicon.fr
www.sdilicon.fr
www.dsilicon.fr
www.zilicon.fr
www.szilicon.fr
www.zsilicon.fr
www.xilicon.fr
www.sxilicon.fr
www.xsilicon.fr
www.ailicon.fr
www.sailicon.fr
www.asilicon.fr
www.slicon.fr
www.sulicon.fr
www.siulicon.fr
www.suilicon.fr
www.sjlicon.fr
www.sijlicon.fr
www.sjilicon.fr
www.sklicon.fr
www.siklicon.fr
www.skilicon.fr
www.solicon.fr
www.siolicon.fr
www.soilicon.fr
www.siicon.fr
www.sipicon.fr
www.silpicon.fr
www.siplicon.fr
www.sioicon.fr
www.siloicon.fr
www.sikicon.fr
www.silkicon.fr
www.silcon.fr
www.silucon.fr
www.siliucon.fr
www.siluicon.fr
www.siljcon.fr
www.silijcon.fr
www.siljicon.fr
www.silkcon.fr
www.silikcon.fr
www.silocon.fr
www.siliocon.fr
www.silion.fr
www.silixon.fr
www.silicxon.fr
www.silixcon.fr
www.silidon.fr
www.silicdon.fr
www.silidcon.fr
www.silifon.fr
www.silicfon.fr
www.silifcon.fr
www.silivon.fr
www.silicvon.fr
www.silivcon.fr
www.silicn.fr
www.silicin.fr
www.silicoin.fr
www.silicion.fr
www.silickn.fr
www.silicokn.fr
www.silickon.fr
www.silicln.fr
www.silicoln.fr
www.siliclon.fr
www.silicpn.fr
www.silicopn.fr
www.silicpon.fr
www.silico.fr
www.silicob.fr
www.siliconb.fr
www.silicobn.fr
www.silicoh.fr
www.siliconh.fr
www.silicohn.fr
www.silicoj.fr
www.siliconj.fr
www.silicojn.fr
www.silicom.fr
www.siliconm.fr
www.silicomn.fr