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Robots.txt Validator

Validate your current robots.txt file, check restriction and accessibility page for crawlers.


Enter the URL in the format:

  • File validation: Checking robots.txt for compliance with standards and identifying possible errors.
  • Indexing Analysis: Track how search engine crawlers are indexing your site and identify problem areas.
  • Bug fixes: Help detect and fix errors in the robots.txt file for optimal indexing.
  • Instruction Testing: Simulate how robots interact with your file, verifying how instructions work.

How to validate Robots.txt

  • Enter the domain URL or put the Robots.txt content in the text box.
  • Push the "Validate robots.txt" button.
  • The result will appear as a list immediately after validation complete.


What is robots.txt validation?

Robots.txt Checker shows if the robots.txt blocks Google crawlers from certain URLs on your site. For example, you can use this tool to check if the Googlebot crawler can crawl the URL of the content you want to block in Google Search.

What happens if you don't use a robots.txt file?

If you don't have a robots.txt file in your website's root directory, search engine crawlers won't be able to find it. As a result, they will assume that they are allowed to crawl your entire site.

What is the limit of a robot txt file?

Google enforces a 500 KB (KB) robots.txt file size limit. Content that exceeds the maximum file size is ignored. You can reduce the size of robots.

Is Robots.txt mandatory?

Robots.txt is not required for the website. If a bot visits your site and it doesn't have one, it will simply crawl your site and index the pages as usual. Robots.txt is only needed if you want more control over what gets scanned.

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