Lighthouse Mobile
· 0 checks — Mobile Lighthouse audit -- Performance, Accessibility, Best Practices, and SEO category breakdown.Detailed Report
Audit breakdown by category with detailed findings.
Performance
Insights
Remove large, duplicate JavaScript modules from bundles to reduce unnecessary bytes consumed by network activity.
Performance issues directly impact user engagement and conversion rates.
Polyfills and transforms enable older browsers to use new JavaScript features. However, many aren't necessary for modern browsers. Consider modifying your JavaScript build process to not transpile Baseline features, unless you know you must support older browsers. Learn why most sites can deploy ES6+ code without transpiling
Performance issues directly impact user engagement and conversion rates.
3rd party code can significantly impact load performance. Reduce and defer loading of 3rd party code to prioritize your page's content.
Performance issues directly impact user engagement and conversion rates.
A long cache lifetime can speed up repeat visits to your page. Learn more about caching.
Performance issues directly impact user engagement and conversion rates.
Your first network request is the most important. Reduce its latency by avoiding redirects, ensuring a fast server response, and enabling text compression.
Performance issues directly impact user engagement and conversion rates.
A forced reflow occurs when JavaScript queries geometric properties (such as offsetWidth) after styles have been invalidated by a change to the DOM state. This can result in poor performance. Learn more about forced reflows and possible mitigations.
Performance issues directly impact user engagement and conversion rates.
Reducing the download time of images can improve the perceived load time of the page and LCP. Learn more about optimizing image size
Performance issues directly impact user engagement and conversion rates.
| URL | Resource Size | Est Savings | |
|---|---|---|---|
div.IciVisualOverlay > div.visualWrapper > picture.IciVisual > img.svelte-1cksh76 div.IciVisualOverlay > div.visualWrapper > picture.IciVisual > img.svelte-1cksh76 | www.ici.fr/pikapi/images/d8244caf-db29-4496-9acf-f9599861f3a6/1200x680 | 195.9 KiB | 139.4 KiB |
li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 | www.ici.fr/pikapi/images/3ed73760-7416-471d-93ea-acb6daec6eea/1200x680 | 74.5 KiB | 51.4 KiB |
div.main-wrapper > main.HomePage > section#hp-hot-topics-section > ::before div.main-wrapper > main.HomePage > section#hp-hot-topics-section > ::before | www.ici.fr/pikapi/images/d8244caf-db29-4496-9acf-f9599861f3a6/560x315 | 47.2 KiB | 18.4 KiB |
li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 | www.ici.fr/pikapi/images/a5098987-a087-430e-83c1-249fcc32e6fb/200x200 | 12.6 KiB | 6.1 KiB |
li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 li.IciCard > div.media > picture.IciVisual > img.svelte-1cksh76 | www.ici.fr/pikapi/images/a6fd307a-7793-42f7-97e6-6c6cecd36fa8/200x200 | 11.6 KiB | 5.0 KiB |
Each subpart has specific improvement strategies. Ideally, most of the LCP time should be spent on loading the resources, not within delays.
Performance issues directly impact user engagement and conversion rates.
Avoid chaining critical requests by reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
Performance issues directly impact user engagement and conversion rates.
Requests are blocking the page's initial render, which may delay LCP. Deferring or inlining can move these network requests out of the critical path.
Performance issues directly impact user engagement and conversion rates.
These insights are also available in the Chrome DevTools Performance Panel - record a trace to view more detailed information.
The maximum potential First Input Delay that your users could experience is the duration of the longest task. Learn more about the Maximum Potential First Input Delay metric.
Performance issues directly impact user engagement and conversion rates.
Redirects introduce additional delays before the page can be loaded. Learn how to avoid page redirects.
Performance issues directly impact user engagement and conversion rates.
| URL | Time Spent |
|---|---|
| francebleu.fr/ | 1.3 s |
| www.francebleu.fr/ | 1.1 s |
| www.ici.fr/ | 0.0 ms |
Time to Interactive is the amount of time it takes for the page to become fully interactive. Learn more about the Time to Interactive metric.
Performance issues directly impact user engagement and conversion rates.
Diagnostics
Reduce unused rules from stylesheets and defer CSS not used for above-the-fold content to decrease bytes consumed by network activity. Learn how to reduce unused CSS.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| 17.1 KiB | 14.4 KiB | |
| www.ici.fr/client/immutable/assets/Player.DuHeVO9p.css | 11.0 KiB | 11.0 KiB |
Reduce unused JavaScript and defer loading scripts until they are required to decrease bytes consumed by network activity. Learn how to reduce unused JavaScript.
Performance issues directly impact user engagement and conversion rates.
| URL | Transfer Size | Est Savings |
|---|---|---|
| /pagead/managed/js/gpt/m202604160201/pubads_impl.js | 187.7 KiB | 134.2 KiB |
| cdn.hubvisor.io/wrapper/01DBFDB3G8049RQWPA1JZ2HSH5/hubvisor.js | 202.5 KiB | 124.0 KiB |
| /sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.... | 100.5 KiB | 44.5 KiB |
| www.ici.fr/client/immutable/chunks/D6L7it7b.js | 47.5 KiB | 30.5 KiB |
Consider reducing the time spent parsing, compiling, and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to reduce Javascript execution time.
Performance issues directly impact user engagement and conversion rates.
| URL | Total CPU Time | Script Evaluation | Script Parse |
|---|---|---|---|
| www.ici.fr/ | 2.2 s | 111 ms | 6.1 ms |
| Unattributable | 1.8 s | 670 ms | 0.0 ms |
| www.ici.fr/client/immutable/chunks/CildVZI8.js | 1.0 s | 992 ms | 0.4 ms |
| cdn.hubvisor.io/wrapper/01DBFDB3G8049RQWPA1JZ2HSH5/hubvisor.js | 512 ms | 409 ms | 101 ms |
| /sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/sdk.... | 425 ms | 291 ms | 52 ms |
| /pagead/managed/js/gpt/m202604160201/pubads_impl.js | 421 ms | 302 ms | 77 ms |
| www.ici.fr/client/immutable/chunks/XJ2bW64B.js | 284 ms | 0.0 ms | 0.1 ms |
| via.batch.com/4.3.1/sdk.min.js | 269 ms | 200 ms | 33 ms |
| www.ici.fr/client/immutable/nodes/3.CbOPDZWF.js | 257 ms | 7.7 ms | 0.5 ms |
| www.ici.fr/client/immutable/chunks/gObnV7rn.js | 255 ms | 0.0 ms | 0.2 ms |
| /sdk/22ecd6bfac93de604efec0b75b2c796ee1675f92/modern/ui-w... | 234 ms | 118 ms | 35 ms |
| securepubads.g.doubleclick.net/tag/js/gpt.js | 111 ms | 95 ms | 15 ms |
| www.ici.fr/client/immutable/chunks/DVyLFctp.js | 90 ms | 9.5 ms | 0.1 ms |
| www.ici.fr/client/immutable/chunks/XG5Xdppg.js | 77 ms | 1.0 ms | 0.1 ms |
Consider reducing the time spent parsing, compiling and executing JS. You may find delivering smaller JS payloads helps with this. Learn how to minimize main-thread work
Performance issues directly impact user engagement and conversion rates.
| Category | Time Spent |
|---|---|
| Script Evaluation | 3.3 s |
| Style & Layout | 1.9 s |
| Other | 1.9 s |
| Rendering | 509 ms |
| Script Parsing & Compilation | 356 ms |
| Parse HTML & CSS | 270 ms |
| Garbage Collection | 175 ms |
Many navigations are performed by going back to a previous page, or forwards again. The back/forward cache (bfcache) can speed up these return navigations. Learn more about the bfcache
Performance issues directly impact user engagement and conversion rates.
| Failure reason | Failure type |
|---|---|
| The page was evicted from the cache because an active network connection received too much data. Chrome limits the amount of data that a page may receive while cached. | Not actionable |
Set an explicit width and height on image elements to reduce layout shifts and improve CLS. Learn how to set image dimensions
Performance issues directly impact user engagement and conversion rates.
| URL | |
|---|---|
ICI div.wrapper > section#actu > div.logo > img | www.ici.fr/client/immutable/assets/logo-ici-small.DwiLDMIK.svg |
ICI, Aller à la page d'accueil div.Header-Logo > a.IciLink > picture > img | www.ici.fr/client/immutable/assets/logo-ici-small.DwiLDMIK.svg |
More information about the performance of your application. These numbers don't directly affect the Performance score.
Accessibility
These checks highlight opportunities to improve the accessibility of your web app. Automatic detection can only detect a subset of issues and does not guarantee the accessibility of your web app, so manual testing is also encouraged.
ARIA
Using ARIA attributes in roles where they are prohibited can mean that important information is not communicated to users of assistive technologies. Learn more about prohibited ARIA roles.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Passer la section main.HomePage > section#hp-seo-tags-section > div.title > a.LinkToNextSection |
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.
Best practices
Touch targets with sufficient size and spacing help users who may have difficulty targeting small controls to activate the targets. Learn more about touch targets.
Performance issues directly impact user engagement and conversion rates.
| Failing Elements |
|---|
Passer la publicité div#svelte > div.main-wrapper > div.AdsSlot > a#banniere_haute-before-sad |
These items highlight common accessibility best practices.
Best Practices
Trust and Safety
Users are mistrustful of or confused by sites that request to send notifications without context. Consider tying the request to user gestures instead. Learn more about responsibly getting permission for notifications.
Performance issues directly impact user engagement and conversion rates.
SEO
These checks ensure that your page is following basic search engine optimization advice. There are many additional factors Lighthouse does not score here that may affect your search ranking, including performance on Core Web Vitals. Learn more about Google Search Essentials.