How to Implement llms.txt: A Guide for AI Crawler Optimization

The llms.txt file is an emerging standard that helps AI language models understand your website's content and purpose. Similar to how robots.txt guides traditional search crawlers, llms.txt provides context for AI systems. You can generate one instantly with our free llms.txt generator.

Key Takeaways

• llms.txt gives you direct control over how AI represents your brand. Without it, AI systems infer information from scattered web sources — often inaccurately.
• Place the file at your domain root (e.g., yoursite.com/llms.txt) using Markdown formatting with clear headings and bullet points.
• Include your core value proposition, key products/services, pricing, and contact information. These are the facts AI engines most commonly get wrong.
• Update llms.txt whenever you change pricing, features, or positioning. Stale information in llms.txt is worse than having no file at all.
• Adoption is growing fast: over 15,000 sites now have an llms.txt file as of February 2026, up from under 2,000 a year ago.

What is llms.txt?

llms.txt is a plain text file placed at your website's root (e.g., yoursite.com/llms.txt) that provides:

• A summary of what your website or business does
• Key information AI should know about you
• Links to important resources
• Context for accurate representation

Why You Need llms.txt

1. Control Your Narrative

AI systems gather information from various sources. llms.txt lets you provide accurate, authoritative information directly.

2. Improve Accuracy

AI responses about your brand will be more accurate when you provide clear, structured information.

3. Highlight Key Content

Point AI crawlers to your most important pages and resources.

4. Stay Ahead

Early adoption signals to AI systems that you're optimized for their consumption.

Creating Your llms.txt File

Basic Structure

# Your Company Name
# https://yourcompany.com

## About
[Brief description of your company/product]

## Key Information
- [Important fact 1]
- [Important fact 2]
- [Important fact 3]

## Products/Services
[Description of what you offer]

## Contact
- Website: https://yourcompany.com
- Email: contact@yourcompany.com

## Key Resources
- Documentation: https://yourcompany.com/docs
- Blog: https://yourcompany.com/blog

Detailed Example

# Prominara - AI Visibility Optimization Platform
# https://prominara.com

## About
Prominara is a GEO (Generative Engine Optimization) platform that helps businesses monitor and improve their visibility across AI search engines including ChatGPT, Perplexity, Claude, and Google AI.

## What We Do
- AI Visibility Scanning: Analyze URLs for AI optimization
- Citation Tracking: Monitor brand mentions in AI responses
- Share of Voice Analysis: Compare visibility vs competitors
- Agency Workspace: Manage multiple clients

## Key Concepts
### Generative Engine Optimization (GEO)
The practice of optimizing content to be cited by AI search engines.

### AI Visibility Score
A 0-100 score measuring how well content is optimized for AI.

## Pricing
<!-- Note: Keep in sync with packages/shared/src/plans.ts -->
- Free: $0/month, 50 scans
- Starter: $29/month, 200 scans
- Pro: $149/month, 500 scans
- Agency: $299/month, 2,000 scans

## Contact
- Website: https://prominara.com
- Documentation: https://prominara.com/docs

Best Practices

1. Keep It Concise

AI systems process text efficiently, but clarity matters. Be thorough but not verbose.

2. Use Markdown Formatting

Headings (#, ##), lists (-), and links help structure information.

3. Update Regularly

Keep your llms.txt current with product changes, pricing updates, etc.

4. Include Contact Information

Help AI systems direct users appropriately.

5. Highlight Differentiators

What makes you unique? Include this information.

Implementation Steps

1. Create the file: Use a text editor to create llms.txt
2. Add content: Follow the structure guidelines above
3. Upload to root: Place at yoursite.com/llms.txt
4. Verify access: Test that it's publicly accessible
5. Link from sitemap: Consider adding to your sitemap

Common Mistakes

• Too long: Keep it scannable and focused
• Outdated info: Regular updates are essential
• Missing from root: Must be at domain root, not a subdirectory
• Blocked by robots.txt: Ensure AI crawlers can access it

Monitoring Effectiveness

After implementing llms.txt:

• Track citation accuracy
• Monitor for misrepresentations
• Check if key information appears in AI responses
• Iterate based on results

Implement your llms.txt today and give AI systems the context they need to represent your brand accurately.