Official statement
To prevent CLS issues, it is recommended to explicitly include width and height attributes on all images. Modern browsers use these values to calculate the aspect ratio and reserve the appropriate space before the image loads.
Other statements from this video 12 ▾
- □ Why is CLS critical for your SEO strategy?
- □ Why is CLS essential for your site's visual stability and SEO success?
- □ How can you optimize your CLS score for better SEO results?
- □ Why does Google prioritize real user data for CLS?
- □ Why does it take a month for CrUX data to stabilize in the Search Console?
- □ How does reserving space for iframes boost your SEO?
- □ How do empty ad spaces affect your site's SEO?
- □ How can preloading web fonts help reduce CLS?
- □ Should you really avoid 'font-display: swap' to lower your CLS score?
- □ How does 'font-display: optional' influence your SEO?
- □ Why Should You Choose SVGs Over Icon Fonts for SEO?
- □ Do CSS animations really have no impact on your CLS score?
Official statement from
(4 years ago)
⚠ A more recent statement exists on this topic
Does specifying image dimensions really fix Cumulative Layout Shift?
View statement →
TL;DR
Including width and height attributes in image tags helps stabilize layout and improve CLS. It assists browsers in reserving the necessary space for display, preventing annoying content shifts.
❓ Frequently Asked Questions
Quelle est l'importance du CLS pour le SEO ?
Le CLS est une métrique des Core Web Vitals. Il influence directement l'expérience utilisateur et les classements SEO.
Puis-je ignorer les attributs sur les petites images ?
Non. Même les petites images peuvent causer des décalages dans la mise en page si les dimensions ne sont pas spécifiées.
Est-ce que les vidéos sont concernées par cette règle ?
Les vidéos intégrées avec élément vidéo doivent également avoir des dimensions définies pour réduire les décalages.
🎥 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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