LLMs.txt Validator
Validate your LLMs.txt file for AI compliance and get detailed recommendations to optimize your website for Large Language Models.
Enter Website URL
We'll check for llms.txt file at your website root
How to Use LLMs.txt Validator
Validate your llms.txt file in just a few simple steps
Enter Your URL
Type your website URL into the validator input field. We'll automatically look for the llms.txt file at your domain root.
Click Validate
Press the "Validate URL" button to start the analysis. The tool will fetch and parse your llms.txt file instantly.
Review Results
Examine errors, warnings, and suggestions. Each issue comes with clear guidance on how to fix it.
Fix & Revalidate
Apply the recommended fixes to your llms.txt file, then run the validator again to confirm full compliance.
Why Use LLMs.txt Validator
Optimize your website for the AI-driven era with proper llms.txt implementation
Comprehensive Validation
Deep syntax and structural checks across all critical llms.txt elements — H1 titles, blockquotes, links, and sections.
Instant Results
Get immediate feedback with detailed error reports, warnings, and actionable improvement suggestions.
AI Visibility
Ensure your content is properly formatted for AI crawlers like ChatGPT, Gemini, and Claude.
GEO Compliance
Stay aligned with Generative Engine Optimization standards and evolving AI best practices.
Link Validation
Automatically verify all hyperlinks in your llms.txt file for proper formatting and accessibility.
Score & Insights
Get a compliance score with clear prioritized recommendations to improve your file quality.
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Frequently Asked Questions
Everything you need to know about LLMs.txt and our validator tool
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