llms.txt

The llms.txt file is a structured text file placed at the root of your website (example: yoursite.com/llms.txt) who guides the artificial intelligences on how to interpret and present your content. While the SEO traditional optimizes for search engines, the llms.txt file optimizes your presence in responses generated by AI such as GPT chat, Claude, Perplexity or Gemini. This file functions as an instruction manual for Large Language Models (LLMs) to understand your expertise, services, and positioning to better cite you as an authoritative source.

Why is llms.txt a must for 2026?

The llms.txt file is an essential standard for controlling your narrative in the age ofAnswer Engine Optimization :

• Citation check : Precisely guide how AIs present your expertise in their responses
• Increased visibility : Increase your chances of being referenced as an authoritative source by AI assistants
• Clear structure : Facilitate the understanding of your services, achievements and areas of expertise
• AEO Optimization : Complement your traditional SEO strategy with an AI-oriented approach
• Data accessibility : Make your key information easily accessible to language models

How to optimize llms.txt for your site?

Integrating an effective llms.txt file requires a consistent structure and relevant information. Use UTF-8 encoding to properly manage accents, structure content with clear markdown titles, and include your services, achievements, FAQs, and customer stories. An optimal llms.txt file contains between 500 and 2000 words, is updated regularly, and guides AIs to your strategic pages. Combine this approach with your Webflow development to create a digital presence optimized for both Google and artificial intelligences.

Do not hesitate to consult my dedicated article on the subject to find out more.