Robots.txt Checker
Analyze and validate your robots.txt file. Check directives, find issues, and verify sitemap references.
What This Tool Checks
Comprehensive analysis of your robots.txt file for SEO best practices.
File Detection
Checks whether your domain has a robots.txt file accessible at the standard location and reports the HTTP status code.
Directive Parsing
Parses all User-agent, Allow, Disallow, Crawl-delay, Sitemap, and Host directives with syntax highlighting.
Block Detection
Identifies rules that block important paths like root (/), CSS, JS, or images that search engines need to render pages.
Sitemap Discovery
Extracts all Sitemap URLs referenced in your robots.txt so you can verify they are correctly listed.
Issue Analysis
Reports errors, warnings, and recommendations to help you optimize your robots.txt for better search engine crawling.
How It Works
Three simple steps to validate your robots.txt.
Enter Domain
Type the domain you want to check. We automatically fetch the robots.txt from the standard /robots.txt path.
Analyze File
Our parser reads every directive, groups rules by user-agent, and identifies potential issues with your configuration.
Review Results
See syntax-highlighted content, parsed rules, sitemap references, and actionable recommendations all in one view.
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Frequently Asked Questions
Common questions about robots.txt files and search engine crawling.
A robots.txt file is a plain text file at the root of your website that tells search engine crawlers which pages or sections they are allowed or not allowed to access. It is part of the Robots Exclusion Protocol. While it does not enforce access control (crawlers can ignore it), all major search engines like Google, Bing, and Yahoo respect it. A well-configured robots.txt helps manage crawl budget and prevents indexing of private or duplicate content.
If no robots.txt file is found, search engines will assume they are allowed to crawl and index all accessible pages on your site. While this is fine for many websites, having a robots.txt gives you explicit control over which parts of your site get crawled. It is a best practice to have one, even if it simply allows everything.
Yes. Adding a Sitemap directive (e.g., Sitemap: https://example.com/sitemap.xml) to your robots.txt is an easy way to help search engines discover your XML sitemap. This is especially useful for new sites or sites with deep page hierarchies where some pages might not be easily discovered through regular crawling.
Only if you intentionally want to prevent search engines from indexing your site entirely, such as on a staging or development server. On a production website, blocking all crawlers will remove your site from search engine results pages. If you need to block specific paths, use targeted Disallow rules for those paths only.