What is a robots.txt file and why do I need one?

A robots.txt file is a text file placed in your website's root directory that tells search engine crawlers which pages to index and which to avoid. It helps control crawler access, prevents indexing of duplicate or sensitive content, manages server resources, and improves overall SEO performance by directing crawlers to your most important pages.

Will robots.txt prevent my pages from being indexed?

Yes, robots.txt can block search engine crawlers from accessing specific pages, which prevents them from being indexed. However, if a page is already indexed and you add it to robots.txt, it may take time for search engines to remove it from their index. For immediate removal, use Google Search Console or add a noindex meta tag.

Can I use robots.txt to hide sensitive information from hackers?

No, robots.txt should never be used as a security measure. The file is publicly accessible and doesn't prevent unauthorized access to sensitive data. Malicious bots ignore robots.txt rules, so always use proper authentication, SSL encryption, and access controls to protect sensitive information instead.

How long does it take for robots.txt changes to take effect?

Search engines typically check your robots.txt file regularly, but changes can take anywhere from a few hours to several days to fully propagate. Google usually recrawls the robots.txt file within 24 hours. You can manually request a crawl through Google Search Console to speed up the process.

What's the difference between robots.txt and meta robots tags?

Robots.txt is a file that prevents crawlers from accessing pages entirely, while meta robots tags control how indexed pages are treated (index/noindex, follow/nofollow). Use robots.txt to block access before crawling, and use meta robots tags for pages that are already accessible but shouldn't be indexed or have links followed.

Robots.txt Generator

Quy tắc User-agent

Disallow (chặn, mỗi dòng 1 path)

Allow (cho phép, mỗi dòng 1 path)

Chặn nhanh (áp dụng cho *):

URL Sitemap

Crawl-delay (giây, tùy chọn)

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When to Use Robots.txt Generator

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Robots.txt Generator

How to Use Robots.txt Generator

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Technical Information About Robots.txt

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