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Interactive robots.txt Validator
SEOFetch or paste a robots.txt file and validate the core crawler directives.
ttb run robots-txt-validator
Robots.txt Validator
Analyze, edit & validate robots.txt files
4
Passed
0
Warnings
Validation Report
User-agent directive found — crawlers know how to behave.
Sitemap directive present — helps search engines discover your content.
Allow/Disallow paths use correct syntax.
All directives are recognized standard robots.txt syntax.
Quick Rules
✓ Every section should start with
User-agent:✓ Allow/Disallow paths usually start with
/✓ Add a
Sitemap: line✓ Use
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How to Use robots.txt Validator
Fetch a live robots.txt file from any site or paste your own content manually. The validator checks for core directives like User-agent, Allow, Disallow, and Sitemap, then highlights likely issues such as missing sections or malformed path values. It is perfect for SEO QA, launch checklists, and quick crawler-access reviews.
1
Fetch or paste robots.txt
Pull the file from a live website or paste the contents directly into the editor.
2
Review validation findings
Check which rules passed and which areas need attention.
3
Refine your directives
Adjust the file until the core crawler structure and path syntax look correct.
Frequently Asked Questions
Is this a formal RFC validator?+
No. It is a practical SEO-focused validator that checks common robots.txt structure and best practices.
Can robots.txt block indexing completely?+
It can block crawling, but indexing behavior depends on search engine behavior and whether URLs are discovered elsewhere. Use robots.txt carefully.
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