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Official statement

For CLS, a score of 0.1 or lower is considered good, while a score of 0.25 or higher is deemed poor. Google uses the updated definition that limits the maximum window to 5 seconds.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 18/05/2021 ✂ 14 statements
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✂ Other statements from this video 13 ▾
  1. □ How Does User Experience Really Influence Your SEO?
  2. □ How does mobile-friendliness affect your SEO right now?
  3. □ Should you really switch to HTTPS to boost your SEO rankings?
  4. □ How can you effectively enhance page experience with Google's guidelines?
  5. □ Are Google's Core Web Vitals now crucial for SEO rankings?
  6. □ How can you optimize your LCP for better SEO performance?
  7. □ Is it true that 100 milliseconds is crucial for FID?
  8. □ Should you rethink your interstitials to please Google?
  9. □ Why can all qualified web pages now access Top Stories?
  10. □ How is page experience now affecting desktop SEO?
  11. □ How does preloading with signed exchanges enhance your SEO strategy?
  12. □ How can the new page experience report revolutionize your SEO?
  13. □ Why does filtering for good page experiences in SEO make a difference?
📅
Official statement from (5 years ago)
TL;DR

For CLS, a good score is 0.1 or lower, while anything above 0.25 is considered poor. Google defines a measurement window of 5 seconds. Optimize your pages to stay below the critical threshold of 0.1.

❓ Frequently Asked Questions

Un mauvais score CLS nuit-il directement au classement ?
Oui, un mauvais score peut nuire au classement car Google valorise l'expérience utilisateur.
Le CLS affecte-t-il tous les types de sites de la même façon ?
Non, les sites interactifs ou dynamiques peuvent être plus impactés que les sites aux contenus statiques.
Quel est l'impact des annonces sur le CLS ?
Les annonces peuvent augmenter le CLS si elles ne sont pas dimensionnées correctement, causant des mouvements de mise en page indésirables.
🏷 Related Topics
Web Performance Search Console

🎥 From the same video 13

Other SEO insights extracted from this same Google Search Central video · published on 18/05/2021

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