What does llms.txt do?
Webpages include navigation, scripts, ads, forms, and design code around the main information. The llms.txt proposal offers agents a smaller, human-readable guide. A file can state what the site is, add a few notes, and group links under headings such as Services, Documentation, Policies, or Articles.
The current proposal also recommends clean Markdown versions of important pages. An agent could read llms.txt, choose the page it needs, and then open the linked Markdown page without processing the full visual layout.
How is it different from robots.txt and a sitemap?
They solve different problems. robots.txt states crawl rules. An XML sitemap lists indexable URLs for search engines. llms.txt is a curated guide for compatible AI agents. It highlights selected resources and can explain why each link matters.
Is llms.txt an official web standard?
No. It is an open proposal, not an Internet Engineering Task Force (IETF) standard and not a Google Search requirement. The proposal was first published in 2024 and updated to version 2 in August 2026. Several documentation platforms and content systems now create the file, but that does not mean every AI product reads or follows it.
Does Google use llms.txt for rankings?
Google has not named llms.txt as a search ranking factor. Publishing the file does not replace an XML sitemap, Search Console, crawlable HTML, or normal SEO. If a site has thin pages, unclear services, weak links, or conflicting business facts, llms.txt will not repair those problems.
Does ChatGPT read llms.txt?
An AI agent can fetch a public llms.txt file when it knows to look for one, and some tools or integrations may use it. That is different from a promise that every ChatGPT search or model run automatically checks the file. Treat it as an optional access point, not a direct command to an AI platform.
Does a small or medium size business need one?
Most local businesses should treat llms.txt as a low-priority extra. Build the basics first: useful service pages, accurate contact facts, a complete Google Business Profile, strong internal links, structured data, robots.txt, and a current sitemap. Once those are sound, a small llms.txt file is reasonable to add and maintain.
It is more useful when a site has many pages, detailed policies, documentation, technical material, or several clear content groups. A five-page brochure site may gain little from it. Our Rytell Digital Studio llms.txt file is a live example for a service business.
How do you create an llms.txt file?
Save a UTF-8 text file named llms.txt at the root of the domain. The proposal requires only one H1 heading. It also supports a blockquote summary, short notes, and groups of Markdown links under H2 headings.
# Example Company
> Phoenix service company providing Example A and Example B.
## Services
- [Example A](https://example.com/example-a): What the service includes.
- [Example B](https://example.com/example-b): Who the service is for.
## Contact
- [Contact](https://example.com/contact): Current phone, hours, and inquiry form.
What should the file include?
- A factual summary: State the business type, main services, and core service area.
- Primary service pages: Link to pages that explain what customers can buy.
- Policies or facts: Include pricing, service limits, documentation, or contact details when useful.
- Useful guides: Select a small group of strong articles instead of listing every post.
- Clear link notes: Explain what an agent will find on each page.
What should you leave out?
Do not add private material, draft pages, tracking links, claims the public site cannot support, or a large dump of every URL. The file is public. Anyone can open it. Keep confidential documents and customer information out of it.
How should you maintain it?
Review the file whenever services, prices, locations, policies, or key URLs change. Test every link and compare the summary with the public website. If the file points to old pages or states old prices, it creates another source of conflicting information.
For broader AI visibility, pair the file with direct answers, named authors, clear business facts, original examples, and structured data. Those improvements help people and machines even when a tool never checks llms.txt.
Key takeaway
llms.txt is an optional, public guide for compatible AI agents. It may help them find selected content, but it does not guarantee rankings or citations. Add it after the website's core content, crawl access, sitemap, structured data, and business facts are in good shape.
Frequently asked questions
Where does the llms.txt file go?
Most sites place it at the root, such as example.com/llms.txt. Version 2 of the proposal also allows a file at a subpath to describe the pages under that path.
Will llms.txt improve my ranking?
No ranking boost is guaranteed. Google has not named it as a ranking factor. Treat it as an optional guide for compatible agents, not as a replacement for useful content and SEO work.
Is llms.txt the same as robots.txt?
No. robots.txt states crawl rules. llms.txt provides a curated summary and selected links for compatible AI agents. A site may use both files for different jobs.
How often should I update it?
Review it whenever services, prices, locations, policies, or key URLs change. Test the links and make sure every claim still matches the public website.
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