Google Lighthouse 13 replaced earlier versions of Lighthouse in Chrome Canary, NPM, and PageSpeed Insights. The new features of Lighthouse offer broader site reports.
Now you will see non-scored edits.
Note: Lighthouse 13 will not change the Core Web Vitals score calculation system.
Google Lighthouse 13:
Google Lighthouse 13 replaced legacy audit features in DevTools.
Major changes to Google Lighthouse 13:
- CLS Layout: Lighthouse 13's cls-culprits-insight replaces layout-shifts. It displays inner details about layout shift.
- Server and Network: Document-latency-insight display response time, text compression, and redirects.
- Images: Image-delivery-insight offers better points to solve image optimization, responsiveness, and content animation.
- Largest Contentful Paint: LCP details are available in two sections. Lcp-discovery-insight and Lcp-phases-insight are available.
- Third-party insights: Third-party insights offer better results than third-party summaries.
Other Lighthouse 13 Replacements:
- DOM size issues
- Duplicate JavaScript
- Legacy JavaScript
- Font
- Network tree
- Render blocking JavaScript.
- Viewport
- Caching
- HTTPS or HTTPs
Lighthouse Audits removed from Lighthouse 13:
Google has removed multiple audits from Lighthouse 13. The reason is that these audits are outdated and meaningless in modern settings.
Note: Google also removed some audits because they were too costly to run.
Audits Removed from Lighthouse 13:
- first-meaningful-paint
- font-size
- no-document-write
- offscreen-images
- preload-fonts
- third-party facades
- uses-rel-preload
- uses-passive-event-listeners
Minor Differences in Lighthouse 13:
Google set unsized-images and non-composited-animations as separate entities.
Preload-fonts and font-size removed.
Why Changes to Lighthouse 13 Matter?
Lighthouse is about giving you details to find issues in your website design and structure.
With Lighthouse 13 you get fewer lines and deeper insights.
How to Access Lighthouse 13?
Here are ways to access Lighthouse 13 reports:
Note: If you do not want to use extensions, then Google PageSpeed Insights is for you.
Conclusion:
Google has aligned with DevTools and Lighthouse results. Now you will see fresh reports, without too many lines.
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