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Official statement

Google crawls images less often than HTML pages. If you optimize an image (compression), use a new URL to prompt Google to detect the change more quickly when crawling the HTML page.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 06/08/2021 ✂ 25 statements
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✂ Other statements from this video 24 ▾
  1. □ How does Google identify the abusive use of expired domains?
  2. □ Should You Tackle DMCA Complaints One URL at a Time for Better SEO?
  3. □ Does temporary deindexing really impact your SEO ranking?
  4. □ Why should you care about content copies that don’t affect your SEO ranking?
  5. □ Do omitted results really impact your SEO?
  6. □ Does the way you spell really influence your SEO ranking?
  7. □ Why does brand traffic remain resilient against algorithm updates?
  8. □ Why do certain brands fail to show up for generic search queries?
  9. □ How can you stand out in SEO within a saturated market?
  10. □ How does Google really determine the publication dates of a page?
  11. □ Why should very large sites rethink their use of Search Console?
  12. □ Why should you leverage the Search Console API for large SEO sites?
  13. □ Should core updates be considered in isolation for SEO?
  14. □ Does the number of reviews truly impact your SEO?
  15. □ What makes your pages remain invisible on Google?
  16. □ Is it true that your site can't be manually reassessed for quality?
  17. □ Does AMP really enhance your site's speed without hurting SEO performance?
  18. □ Do affiliate links really impact your SEO?
  19. □ Why doesn't Google penalize every single SEO mistake?
  20. □ Why doesn’t removing a redirect boost your SEO?
  21. □ Should you unlock JavaScript and CSS for Google?
  22. □ Why isn't robots.txt enough to stop indexing on Google?
  23. □ Are Core Web Vitals really based on actual user data?
  24. □ Does the choice between WordPress pages and posts really impact SEO?
📅
Official statement from (5 years ago)
TL;DR

Google crawls images less frequently than HTML pages. To speed up the update after optimization, change the image URL.

❓ Frequently Asked Questions

Pourquoi Google crawl-t-il moins souvent les images ?
Les images ont traditionnellement un impact moindre sur les résultats de recherche que le contenu textuel, d'où un crawl moins fréquent.
Combien de temps faut-il pour que Google recrawl une image avec une nouvelle URL ?
Variable, mais un changement d'URL peut accélérer ce processus dans les jours suivant la mise à jour.
Dois-je toujours changer l'URL d'une image optimisée ?
Non, seulement si l'image joue un rôle clé dans vos performances SEO et UX.
🏷 Related Topics
Domain Age & History Crawl & Indexing Images & Videos JavaScript & Technical SEO Domain Name

🎥 From the same video 24

Other SEO insights extracted from this same Google Search Central video · published on 06/08/2021

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