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Official statement

A robots.txt file is not an appropriate or effective method for blocking sensitive or confidential content. It does not prevent your server from delivering those pages to a browser that requests them. Furthermore, a curious user can examine the directories listed in the robots.txt file and guess the URL of the content you’d prefer to keep hidden.
🎥 Source video

Extracted from a Google Search Central video

💬 EN 📅 09/09/2021 ✂ 11 statements
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✂ Other statements from this video 10 ▾
  1. □ How do Google's automated crawlers shape your SEO strategy?
  2. □ How can the robots.txt file help you optimize your site's crawl budget?
  3. □ Why Does Google Treat Social Media Links as Nofollow?
  4. □ How is Mobile-First Indexing Revolutionizing SEO?
  5. □ How Do Titles and Meta Descriptions Really Impact SEO Traffic?
  6. □ Is it true that Google can change site titles in the SERPs?
  7. □ Is it true that creating valuable content is the most powerful SEO factor?
  8. □ How does writing for users enhance your SEO?
  9. □ Should You Stop Chasing Every Google Algorithm Update?
  10. □ Does the age of a domain truly impact SEO?
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Official statement from (5 years ago)
TL;DR

A robots.txt file is not a reliable solution for hiding sensitive content. It only blocks bots, but not direct access via URL. Relying on robots.txt for security is like playing with fire.

❓ Frequently Asked Questions

Robots.txt peut-il protéger mon site contre le scraping ?
Non, robots.txt n'empêche pas le scraping. Les bots malveillants ignorent souvent le fichier.
Peut-on sécuriser les API avec robots.txt ?
Pas du tout. Pour les API, pensez aux jetons d'authentification et aux contrôles d'accès stricts.
Pourquoi mon contenu apparaît-il toujours dans les résultats de recherche alors qu'il est bloqué par robots.txt ?
Robots.txt empêche l'indexation, mais si l'URL est découverte ailleurs, elle peut toujours apparaître dans les SERP comme un lien sans description.
🏷 Related Topics
Domain Age & History Content Crawl & Indexing Domain Name PDF & Files Web Performance

🎥 From the same video 10

Other SEO insights extracted from this same Google Search Central video · published on 09/09/2021

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