Artilabo.be Artilabo
artilabo.be Mobile Performance
85/100
These metrics represent real-world Chrome users experience viewing artilabo.be 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.
Metrics
Largest Contentful Paint50/100 4.0 s
Largest Contentful Paint marks the time at which the largest text or image is painted. Learn More
Speed Index92/100 3.2 s
Speed Index shows how quickly the contents of a page are visibly populated. Learn more.
First Contentful Paint94/100 2.1 s
First Contentful Paint marks the time at which the first text or image is painted. Learn more.
Time to Interactive99/100 2.3 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.
Cumulative Layout Shift100/100 0
Cumulative Layout Shift measures the movement of visible elements within the viewport. Learn more.
Should Fix (13)
Opportunities
These suggestions can help your page load faster. They don't directly affect the Performance score.
Serve images in next-gen formats
Potential savings of 133 KiB
600 ms
Efficiently encode images
Potential savings of 122 KiB
600 ms
Eliminate render-blocking resources
Potential savings of 360 ms
360 ms
Remove unused JavaScript
Potential savings of 57 KiB
300 ms
Enable text compression
Potential savings of 48 KiB
300 ms
Minify JavaScript
Potential savings of 29 KiB
150 ms
Minify CSS
Potential savings of 4 KiB
150 ms
Reduce initial server response time
Root document took 670 ms
74 ms
Diagnostics
More information about the performance of your application. These numbers don't directly affect the Performance score.
Serve static assets with an efficient cache policy
16 resources found
Keep request counts low and transfer sizes small
23 requests • 340 KiB
Avoid long main-thread tasks
2 long tasks found
Largest Contentful Paint element
1 element found
Avoid chaining critical requests
6 chains found
Passed Audits (15)
Avoid multiple page redirects
Avoids `document.write()`
Preconnect to required origins
Uses passive listeners to improve scrolling performance
Preload key requests
Remove unused CSS
Avoids an excessive DOM size
243 elements
Use video formats for animated content
Avoids enormous network payloads
Total size was 340 KiB
Defer offscreen images
Properly size images
JavaScript execution time
0.3 s
Minimizes main-thread work
0.7 s
All text remains visible during webfont loads
Minimize third-party usage
Third-party code blocked the main thread for 70 ms
artilabo.be Mobile SEO
62/100
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 (5)
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
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
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Document doesn't use legible font sizes
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Links are not crawlable
Passed Audits (8)
Document has a `<title>` element
Page has successful HTTP status code
robots.txt is valid
Image elements have `[alt]` attributes
Document has a valid `hreflang`
Document avoids plugins
Page isn’t blocked from indexing
Links have descriptive text
artilabo.be Mobile Best Practices
77/100
These checks highlight opportunities to improve the overall code health of artilabo.be 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
23 insecure requests found
Browser Compatibility
Page lacks the HTML doctype, thus triggering quirks-mode
User Experience
Serves images with low resolution
Passed Audits (11)
Avoids requesting the geolocation permission on page load
Links to cross-origin destinations are safe
Avoids front-end JavaScript libraries with known security vulnerabilities
Properly defines charset
Avoids requesting the notification permission on page load
Allows users to paste into password fields
Avoids deprecated APIs
Detected JavaScript libraries
Avoids Application Cache
Displays images with correct aspect ratio
No browser errors logged to the console
artilabo.be 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 (12)
Fast and reliable
`start_url` does not respond with a 200 when offline
Current page does not respond with a 200 when offline
PWA Optimized
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
Manifest doesn't have a maskable icon
Is not configured for a custom splash screen
Content is not sized correctly for the viewport
Does not provide a valid `apple-touch-icon`
Does not set a theme color for the address bar.
Does not redirect HTTP traffic to HTTPS
Installable
Does not use HTTPS
23 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)
Contains some content when JavaScript is not available
Page load is fast enough on mobile networks
artilabo.be Mobile Accessibility
85/100
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 (3)
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
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
Contrast
These are opportunities to improve the legibility of your content.
Background and foreground colors do not have a sufficient contrast ratio.
Passed Audits (10)
Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute.
Document has a `<title>` element
The page contains a heading, skip link, or landmark region
`[aria-hidden="true"]` is not present on the document `<body>`
Image elements have `[alt]` attributes
`<input type="image">` elements have `[alt]` text
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
`<html>` element has a valid value for its `[lang]` attribute
`[id]` attributes on active, focusable elements are unique
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
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