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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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  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?
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Official statement from (4 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

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

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