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Official statement

When a canonical tag is used to merge pages, Google only indexes the canonical page. The content of the non-canonical page completely disappears from the index and can no longer be found in search, even for queries specific to that content.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 20/08/2021 ✂ 18 statements
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✂ Other statements from this video 17 ▾
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  2. □ How does Google's new removal tool transform your SEO strategy?
  3. □ Should you choose robots.txt or noindex for your important pages?
  4. □ Do temporarily removed pages really influence the overall SEO quality of a website?
  5. □ Is it true that links to a noindex page can lose their SEO value?
  6. □ Should you worry about media attachment pages for SEO?
  7. □ How does combining similar content really strengthen your SEO pages?
  8. □ Is it true that you can't use Google My Business reviews in schema?
  9. □ Does Server Response Time in Search Console Really Impact Your SEO Rankings?
  10. □ How do content silos truly impact your SEO?
  11. □ Should you focus on concentrated traffic or dispersed traffic for SEO?
  12. □ How can you avoid the negative impacts of network caching on your SEO tests?
  13. □ Could having too many language versions actually weaken your SEO performance?
  14. □ How does the disavow file truly impact your link profile?
  15. □ Are Session Interstitials Really Impact-Free for SEO?
  16. □ Why does Google prioritize field data over lab data for SEO?
  17. □ Why is it essential to separate UGC on subdomains for effective SEO?
📅
Official statement from (5 years ago)
TL;DR

With a canonical tag, only the canonical page is indexed. The content from other pages disappears from Google. The result: some valuable information may become impossible to find.

❓ Frequently Asked Questions

Est-il possible de récupérer le contenu d'une page non-canonique?
Non, une fois la page non-canonique supprimée de l'index, elle ne sera pas indexée tant que la balise canonical est en place.
La balise canonical affecte-t-elle le SEO global du site?
Oui, elle influence la répartition du <strong>link juice</strong> et peut changer la dynamique du site si mal utilisée.
Puis-je avoir plusieurs canonicals sur une même page?
Non, chaque page doit avoir une seule référence canonical pour éviter toute confusion dans l'indexation.
🏷 Related Topics
Domain Age & History Content Crawl & Indexing AI & SEO JavaScript & Technical SEO

🎥 From the same video 17

Other SEO insights extracted from this same Google Search Central video · published on 20/08/2021

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