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Official statement

It is important to avoid completely removing the reserved space for an ad placement when no ad is returned, as this causes significant layout shifts that negatively impact the CLS score.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 19/10/2021 ✂ 13 statements
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Other statements from this video 12
  1. Why is CLS critical for your SEO strategy?
  2. Why is CLS essential for your site's visual stability and SEO success?
  3. How can you optimize your CLS score for better SEO results?
  4. Why does Google prioritize real user data for CLS?
  5. Why does it take a month for CrUX data to stabilize in the Search Console?
  6. Why is specifying image dimensions crucial for technical SEO?
  7. How does reserving space for iframes boost your SEO?
  8. How can preloading web fonts help reduce CLS?
  9. Should you really avoid 'font-display: swap' to lower your CLS score?
  10. How does 'font-display: optional' influence your SEO?
  11. Why Should You Choose SVGs Over Icon Fonts for SEO?
  12. Do CSS animations really have no impact on your CLS score?
📅
Official statement from (4 years ago)
TL;DR

Do not remove empty ad space, or the CLS score will suffer. Maintain the consistency of your layout to avoid penalties related to Core Web Vitals. This is crucial for ensuring a positive user experience.

❓ Frequently Asked Questions

Est-ce que les CLS affectent le classement Google ?
Oui, un mauvais score CLS peut impacter votre classement SEO.
Devrais-je utiliser des place-holders pour les pubs non affichées ?
Oui, pour éviter des décalages de mise en page.
Comment améliorer le score CLS ?
Fixez la taille des conteneurs et utilisez des placeholders pour les éléments dynamiques.
🏷 Related Topics
Domain Age & History AI & SEO JavaScript & Technical SEO Web Performance

🎥 From the same video 12

Other SEO insights extracted from this same Google Search Central video · published on 19/10/2021

🎥 Watch the full video on YouTube →

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