Does a real estate agent's website need an llms.txt file?

What is an llms.txt file?

An llms.txt file is a plain Markdown file placed at the root of a website that lists the site's most important pages, intended to give a language model a curated map of the site at the moment it answers a question. Jeremy Howard of Answer.AI put the format forward in September 2024 as a proposal published at llmstxt.org.

The file contains no directives and cannot block or permit anything. An llms.txt file will not stop a crawler, prevent training on a site's content, or restrict any AI system from reading a page, which makes it different in kind from robots.txt.

What does Google say about llms.txt?

Google's Search Central documentation on optimizing for generative AI features, updated 15 June 2026, states that site owners do not need to create new machine-readable files, AI text files, markup or Markdown to appear in Google Search including its generative AI capabilities, because Google Search itself does not use them. The same page states that maintaining such files will neither harm nor help a site's visibility or rankings in Google Search.

Gary Illyes of Google said at the Search Central Deep Dive event in the Asia Pacific region on 23 July 2025 that Google does not support llms.txt and is not planning to. Google's position has been stated in documentation and on the record, not inferred from testing.

Do ChatGPT, Claude, Gemini or Perplexity read a website's llms.txt file?

None of the major AI providers has publicly committed to reading a third-party llms.txt file or to using it as a retrieval or citation signal. OpenAI's own crawler documentation governs its bots through robots.txt and does not mention llms.txt.

Several AI companies publish an llms.txt file for their own developer documentation, which is a separate matter from their crawlers consuming other sites' files. A company publishing the file is not evidence that the company's crawler reads anyone else's.

How many llms.txt files actually get requested by anything?

Ahrefs reported in June 2026 that it analyzed 137,210 domains and found that 97 percent of the llms.txt files on those domains received zero requests during May 2026. Around 28 percent of the domains in that dataset had a valid llms.txt file at all.

Top Real Estate Systems has not independently verified the Ahrefs dataset and reports the figure as a vendor study rather than as a measurement of its own. The direction of the finding is consistent with Google's documented position that Google Search ignores the file.

Is there any situation where an llms.txt file is genuinely useful?

An llms.txt file has a real use for developer documentation sites, where AI coding assistants are pointed at the file directly to find the right reference pages without wasting context. Google's Chrome team has also added an experimental llms.txt check to its agentic browsing audits, which concerns AI agents completing tasks on a site rather than search visibility.

A residential real estate agent's website is neither developer documentation nor a site agents transact on. For that site the file costs nothing and does nothing.

What should a real estate agent buy instead of an llms.txt package?

An agent whose goal is to be named in AI answers should spend on the things the assistants demonstrably read: an accurate Google Business Profile, genuine reviews, pages that answer real client questions in plain language, and correct listings on the sites that name the agent. Google's own guidance is that ordinary search quality work is what makes a page eligible for its AI features.

Top Real Estate Systems does not sell llms.txt files, schema markup as a ranking product, or guaranteed rankings, and states that in writing. A vendor selling an AI-readability file as a ranking fix is selling something the search engine has published that it does not use.

Where do the facts on this page come from?

Every figure on this page is attributed to a named, linked source published by Google, by the National Association of REALTORS, or by Top Real Estate Systems itself. Anything Top Real Estate Systems has not independently verified is labelled as unverified at the point where it appears.

• Google Search Central — Optimizing your website for generative AI features on Google Search (updated 15 June 2026)
• llmstxt.org — the original llms.txt proposal, Jeremy Howard, Answer.AI, September 2024