Linguee.fr Linguee | Dictionnaire anglais-français (et autres langues)
Dictionnaire anglais-français avec des millions de phrases traduites en anglais-français. Moteur de recherche de traductions anglais-français.
linguee.fr Mobile Performance
75/100
These metrics represent real-world Chrome users experience viewing linguee.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
First Contentful Paint
Largest Contentful Paint
Cumulative Layout Shift
First Input Delay
Metrics
Largest Contentful Paint47/100 4.1 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
First Contentful Paint59/100 3.6 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Speed Index77/100 4.3 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
Time to Interactive83/100 4.5 s
Time to interactive is the amount of time it takes for the page to become fully interactive. Learn more.
Total Blocking Time100/100 90 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
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (9)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Eliminate render-blocking resources
Potential savings of 1,970 ms
1,972 ms
Serve images in next-gen formats
Potential savings of 287 KiB
1,500 ms
Remove unused JavaScript
Potential savings of 80 KiB
1,200 ms
Remove unused CSS
Potential savings of 28 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
Avoid chaining critical requests
9 chains found
Largest Contentful Paint element
1 element found
Avoid long main-thread tasks
6 long tasks found
Keep request counts low and transfer sizes small
32 requests • 950 KiB
Passed Audits (19)
Use video formats for animated content
Minify JavaScript
Avoid multiple page redirects
Potential savings of 630 ms
Preload key requests
Avoids `document.write()`
JavaScript execution time
0.7 s
Minimizes main-thread work
1.7 s
Efficiently encode images
Uses efficient cache policy on static assets
3 resources found
Minimize third-party usage
Third-party code blocked the main thread for 100 ms
Uses passive listeners to improve scrolling performance
Defer offscreen images
Potential savings of 96 KiB
Avoids enormous network payloads
Total size was 950 KiB
Enable text compression
Preconnect to required origins
Minify CSS
Properly size images
Initial server response time was short
Root document took 480 ms
Avoids an excessive DOM size
227 elements
linguee.fr Mobile SEO
84/100
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 (3)
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
81% appropriately sized tap targets
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Page is blocked from indexing
Passed Audits (11)
Document avoids plugins
Document uses legible font sizes
99.34% legible text
Document has a meta description
Document has a valid `hreflang`
Document has a valid `rel=canonical`
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
robots.txt is valid
Document has a `<title>` element
Links have descriptive text
Links are crawlable
Page has successful HTTP status code
linguee.fr Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of linguee.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 (3)
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
5 vulnerabilities detected
Passed Audits (11)
Detected JavaScript libraries
Page has the HTML doctype
Avoids deprecated APIs
Allows users to paste into password fields
Avoids requesting the notification permission on page load
Properly defines charset
Avoids Application Cache
No browser errors logged to the console
Serves images with appropriate resolution
Avoids requesting the geolocation permission on page load
Displays images with correct aspect ratio
linguee.fr 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)
Installable
Does not register a service worker that controls page and `start_url`
Web app manifest does not meet the installability requirements
Does not use HTTPS
1 insecure request found
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
Passed Audits (6)
Redirects HTTP traffic to HTTPS
Page load is fast enough on mobile networks
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
Contains some content when JavaScript is not available
Content is sized correctly for the viewport
Provides a valid `apple-touch-icon`
linguee.fr Mobile Accessibility
47/100
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.
Links do not have a discernible name
Buttons do not have an accessible name
Image elements do not have `[alt]` attributes
Form elements do not have associated labels
Navigation
These are opportunities to improve keyboard navigation in your application.
Some elements have a `[tabindex]` value greater than 0
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
`<html>` element does not have a `[lang]` attribute
Passed Audits (7)
`[aria-hidden="true"]` is not present on the document `<body>`
The page contains a heading, skip link, or landmark region
Heading elements appear in a sequentially-descending order
`[id]` attributes on active, focusable elements are unique
Document has a `<title>` element
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
Background and foreground colors have a sufficient contrast ratio
Mobile Usability
100/100
These checks validate how easily a visitor can use linguee.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).
Passed Audits (5)
Avoid plugins
Configure the viewport
Size content to viewport
Size tap targets appropriately
Use legible font sizes
Mobile Speed
62/100
These checks analyze the performance of linguee.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 (5)
Eliminate render-blocking JavaScript and CSS in above-the-fold content
Optimize images
Leverage browser caching
Minify JavaScript
Enable compression
Passed Audits (5)
Avoid landing page redirects
Reduce server response time
Minify CSS
Minify HTML
Prioritize visible content
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