llms.txt: How to Help AI Understand Your Website
Complete guide to implementing llms.txt - a machine-readable file that helps AI assistants understand your business.
TL;DR: llms.txt is a plain text file at yoursite.com/llms.txt that helps AI assistants understand your business. Include: business description, services, key pages, content library links. Easy to create and maintain.
What Is llms.txt?
When AI assistants crawl your website, they're trying to understand what your business does, what content is most important, and where they can find specific information. llms.txt answers these questions in a format that's easy for AI to parse.
llms.txt Structure
A well-structured llms.txt file includes: business name and description, primary services, target audience, key page links, knowledge base links, markdown library reference, and contact information.
Step-by-Step: Creating Your llms.txt
Step 1: Write Your Business Description
Start with a one-line summary, then expand with a paragraph about what industry you're in, what services you provide, who you serve, and what makes you different.
Step 2: List Your Services
Be specific. Don't just say "HVAC services" - list each service type.
Step 3: Define Your Target Audience
Help AI understand who you serve with specific audience segments.
Step 4: Link Your Key Pages
Point AI to your most important content - homepage, services, contact, popular guides.
Step 5: Deploy Your llms.txt
Save the file as llms.txt and place it at your domain root: https://yoursite.com/llms.txt
Frequently Asked Questions
Is llms.txt an official standard?
It's an emerging convention, not an official W3C standard. However, it's gaining adoption as AI search becomes more important.
How often should I update llms.txt?
Update it whenever you add significant new content or services. For most businesses, quarterly reviews are sufficient.
Can llms.txt hurt my SEO?
No. It's a plain text file that search engines may crawl but won't negatively impact rankings. It's purely additive for AI visibility.
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