What does Google say about SEO? /

Official statement

JavaScript and CSS files should not be blocked by robots.txt. Google needs them to render pages and check mobile compatibility. These files will not be indexed individually but must be accessible for crawling.
🎥 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. Why isn't robots.txt enough to stop indexing on Google?
  22. How does changing the URL of an optimized image hasten its update in the index?
  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 (4 years ago)
TL;DR

Google requires access to JavaScript and CSS files for page rendering and mobile compatibility. Blocking these files hinders crawling. Make them accessible to avoid indexing issues.

❓ Frequently Asked Questions

Pourquoi débloquer JavaScript et CSS est-il crucial ?
Pour permettre à Google de correctement rendre et indexer la page, maximisant votre visibilité.
Google peut-il indexer des fichiers JavaScript et CSS individuellement ?
Non, ces fichiers ne sont pas indexés individuellement mais sont essentiels pour le rendu de la page.
Que faire si des fichiers sont toujours bloqués après modification ?
Revérifiez les permissions dans robots.txt et consultez la Search Console pour détecter d'éventuels problèmes.
🏷 Related Topics
Domain Age & History Crawl & Indexing AI & SEO JavaScript & Technical SEO Mobile SEO PDF & Files

🎥 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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