Official statement
To prevent Google from crawling certain URLs (for example, URLs with spammy parameters), you can use the robots.txt file to block Googlebot's access to these specific URLs.
17:49
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Official statement from
(4 years ago)
⚠ A more recent statement exists on this topic
Why does Google ignore your robots.txt rules even when they explicitly disallow ...
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TL;DR
Google recommends using the robots.txt file to block Googlebot from certain unwanted URLs. The main action? Stop unnecessary crawling of spammy URLs.
❓ Frequently Asked Questions
Que se passe-t-il si une URL interdite se trouve dans le sitemap ?
Il est important de synchroniser robots.txt et sitemap pour éviter toute contradiction qui pourrait affecter l'indexation.
Est-ce que robots.txt affecte d'autres moteurs de recherche ?
Oui, la plupart des moteurs respectent les directives de robots.txt, mais cela n'est pas garanti pour tous les crawlers.
Dois-je bloquer toutes les URLs avec paramètres ?
Non, évaluez chaque paramètre. Certains peuvent être essentiels pour votre SEO ou UX.
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