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Official statement

Reviews collected by third-party platforms should not be marked with structured data on your site. Only the platform that actually collects the reviews can mark them; otherwise, there is a risk of complete removal of the reviews.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 19/07/2021 ✂ 20 statements
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Other statements from this video 19
  1. Can the noscript tag truly replace JavaScript for Google?
  2. Why does Google tend to overlook NoScript tags in SEO?
  3. Why Doesn’t Hreflang Affect Your SEO Rankings?
  4. Can Geotargeting Really Boost Your Local SEO?
  5. Why is it essential to promote your international pages individually for SEO?
  6. How should you handle canonicals for international versions?
  7. Why does Google recommend using a JavaScript banner instead of geographic redirections?
  8. Why does Google simplify the canonicalization of queries in Search Console?
  9. Does Google rewrite your meta descriptions to better match search queries?
  10. Could empty content pages actually be hurting your SEO rankings?
  11. Why is meaningful content essential for preventing soft 404s?
  12. Could your crawl budget be restricted by server speed and quality issues?
  13. Could cutting down the number of pages actually boost your SEO?
  14. Why does Google take several months to reevaluate your site?
  15. Could using nofollow on internal links actually enhance your SEO strategy?
  16. Is it worth using structured data without Rich Results for SEO?
  17. Why are breadcrumb structured data essential for SEO?
  18. Does the age of a website really influence its SEO ranking?
  19. Does the text/code ratio really influence SEO rankings?
📅
Official statement from (5 years ago)
TL;DR

Google prohibits the markup of third-party reviews in structured data. Only the collecting platforms are allowed to do so, otherwise there is a risk of having the reviews removed. This has a direct impact on the SEO visibility of those reviews.

❓ Frequently Asked Questions

Puis-je utiliser des avis tiers en données non structurées ?
Oui, mais ils ne doivent pas être marqués en structured data sur votre site.
Que risque-t-on à ignorer cette règle ?
La suppression complète des avis marqués par Google, impactant votre SEO.
Comment Google détecte-t-il l'origine des avis ?
Google utilise des algorithmes pour détecter des incohérences entre le marquage et l'origine des données.
🏷 Related Topics
Structured Data Pagination & Structure Local Search

🎥 From the same video 19

Other SEO insights extracted from this same Google Search Central video · published on 19/07/2021

🎥 Watch the full video on YouTube →

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