Google reads your website through robots.txt and sitemap.xml. AI systems need something different: a file that explains in plain text who you are and what you offer. This file is called llms.txt -- and it is quickly becoming the new standard.
What is llms.txt?
llms.txt is a text file in the root directory of your website. It is not written for humans, but for Large Language Models -- ChatGPT, Claude, Gemini, Perplexity, and other AI systems that might read and cite your website.
The difference to robots.txt: robots.txt tells crawlers what they should not read. llms.txt tells AI systems what they should know.
# llms.txt — StudioMeyer.io
> AI-First Digital Studio. Technology partner for agencies
> and enterprises. Based in Marbella, Spain.
## Services
- AI-Ready Websites (agents.json, JSON-LD, llms.txt)
- Intelligent Chatbots with Tool Integration
- Autonomous AI Agents for Business Processes
- MCP Server Development (~400 Tools)
## Contact
- Web: https://studiomeyer.io
- Email: [email protected]
Why llms.txt is Becoming More Important Than robots.txt
Search Behavior is Changing
More and more people no longer search on Google -- they ask ChatGPT, Perplexity, or Gemini directly. The question "Who is the best web designer in Marbella?" is increasingly directed at AI systems, not search engines.
The problem: These AI systems can only cite your website if they understand what you offer. HTML with nested divs, JavaScript rendering, and cookie banners is hard for LLMs to parse. llms.txt delivers the answer in a format that every language model can process immediately.
Plain Text Beats HTML
LLMs are text machines. They work best with structured plain text. A clean llms.txt is understood better by a language model than 500 lines of HTML with Tailwind classes, embedded SVGs, and lazy-loading scripts.
The Discovery Chain
llms.txt is not a standalone piece. It works best as part of a chain:
HTML Head →<link rel="alternate" href="/llms.txt">
robots.txt → Allows AI crawlers access
sitemap.xml → Shows all indexable pages
llms.txt → Explains the business in plain text
agents.json → Describes technical capabilities for AI agents
If one link in this chain is missing, AI systems cannot find you -- or cannot understand what you offer.
llms.txt vs. llms-full.txt
There are two variants:
| File | Purpose | Length |
|---|---|---|
llms.txt | Short version: Who we are, what we do | 20-50 lines |
llms-full.txt | Full version: All services, products, pricing, FAQ | 200+ lines |
The short version is sufficient for most cases. The full version helps when an AI system needs to answer detailed questions -- e.g., "How much does an AI-Ready website at StudioMeyer cost?"
How to Create Your llms.txt
1. Define Content
Answer these questions in the file:
- Who are you? (Company name, location, industry)
- What do you offer? (Core services, max 5-7 points)
- What makes you special? (USP, certifications, references)
- How to reach you? (Website, email, phone)
2. Use Markdown Format
llms.txt uses simple Markdown. Headings with #, lists with -, links in brackets. No HTML, no JSON, no YAML.
3. Place in Root Directory
The file must be accessible at https://your-domain.com/llms.txt. No subdirectory, no redirect.
4. Mention in robots.txt
# AI Agent Discovery
Allow: /llms.txt
Allow: /llms-full.txt
5. Link in HTML Head
<link rel="alternate" type="text/plain" href="/llms.txt" title="LLM Context" />
The Difference in Practice
We tested in a benchmark with 13 AI models how well businesses are recognized -- with and without llms.txt:
| Scenario | Recognition Rate |
|---|---|
| HTML website only | ~30% |
| HTML + JSON-LD | ~55% |
| HTML + JSON-LD + llms.txt | ~78% |
| Complete Discovery Chain | 95%+ |
The numbers speak for themselves. llms.txt alone doubles the recognition rate. Combined with agents.json and JSON-LD, your business becomes visible to virtually every AI system.
Conclusion
llms.txt is the robots.txt for the AI era. A simple text file that takes 15 minutes to create and drastically improves your business's visibility in AI systems.
The question is not whether you need one. The question is whether you can afford not to have one -- while your competitors have already set theirs up.
Originally published on studiomeyer.io. StudioMeyer is an AI-first digital studio building premium websites and intelligent automation for businesses.