What Is an LLMs File?

An llms.txt file is a small text file that helps AI tools find the most important information on a website.

Think of it as a short guidebook for your website. Instead of making an AI tool search through every menu, image, script and page, the file points it toward useful information such as:

Services
Products or inventory
Locations
Policies
Frequently asked questions
Credentials
Contact information
Other important pages

The idea was introduced through the llms.txt proposal.

The Short Answer

An llms.txt file:

Is optional.
Is not required for a website.
Is not currently an official web standard.
Does not replace robots.txt.
Does not replace an XML sitemap.
Does not replace good website content.
Does not control whether an AI crawler may enter your website.
May help AI agents find and understand important pages more efficiently.
Can present important website information in a shorter, cleaner format.

The current proposal describes llms.txt as a way to provide AI-friendly information and links. Google’s Chrome documentation calls it an “emerging convention” and says providing the file is optional. Read the original proposal (opens in a new tab) and Chrome’s explanation (opens in a new tab).

What Does llms.txt Mean?

“LLM” stands for “large language model.”

That is the kind of technology used by AI assistants and answer tools.

The file is named:

llms.txt

It is usually placed at the main address of a website:

https://www.example.com/llms.txt

It can also be placed inside a section of a website:

https://www.example.com/help/llms.txt

When placed inside a section, it can describe the pages located under that part of the website.

A Simple Way to Think About It

Imagine that an AI assistant visits a large salvage yard. Without help, it may have to walk through every building, aisle and storage area to understand what the business offers.

An llms.txt file is like giving the assistant a map that says:

Used engines are here.
Transmissions are here.
Warranty information is here.
Shipping information is here.
The parts-search page is here.
Business information is here.

The map does not replace the salvage yard. It simply points toward the most useful places.

Could It Improve Crawling?

Potentially—but this needs to be explained carefully.

An llms.txt file may help an AI agent locate important content faster because the file provides a short list of useful pages. Chrome’s documentation says agents may spend more time crawling a website when the file is not available.

However, llms.txt is not a search-engine crawling command, and there is no proof that every AI platform will use it or crawl a website more often because it exists.

A better way to say it is:

An llms.txt file may give AI agents a faster, simpler path to a website’s most useful information.

Is llms.txt an Official Web Standard?

No—not at this time.

It is a proposed format and an emerging convention. A growing number of websites and publishing platforms use it, but businesses are not required to have one. GitBook’s guide (opens in a new tab) also describes it as an emerging convention rather than a formal web standard.

A website can still be found, crawled, indexed and mentioned by AI tools without an llms.txt file.

The file should be viewed as a helpful extra—not a requirement.

How Is It Different From Other Website Files?

robots.txt

A robots.txt file tells automated crawlers which areas they may or may not access.

sitemap.xml

A sitemap lists website pages that a search engine may want to discover and index.

Schema Markup

Schema adds structured information to individual webpages. It can identify things such as the business, services, products, reviews, locations and frequently asked questions.

llms.txt

An llms.txt file provides a short introduction to the website and a selected list of useful resources for AI tools and agents.

It is a guide, not an access-control file.

What Goes Inside an llms.txt File?

The file uses Markdown, which is a simple way to organize text. The proposed format can contain:

One main title beginning with #.
A short description beginning with >.
Helpful notes about the business or website.
Sections beginning with ##.
Links to important pages.
A short explanation after each link.
An optional section for information that is less important.

Under the current proposal, the main title is the only required section. The other sections help make the file more useful.

Blank llms.txt Template

Replace the words inside brackets with real information about the business.

# [Business Name]

> [Write one short sentence explaining what the business does, who it serves, and where it operates.]

Important information:

- [Important fact about the business]
- [Important fact about customers, coverage, or service area]
- [Important fact about ordering, scheduling, shipping, or service]

## Main Services

- [Service Name](https://www.example.com/service-page): [Short explanation of the service]
- [Service Name](https://www.example.com/service-page): [Short explanation of the service]

## Products or Inventory

- [Inventory Search](https://www.example.com/inventory): [Explain what a visitor can find here]
- [Product Information](https://www.example.com/products): [Explain the products offered]

## Customer Information

- [Frequently Asked Questions](https://www.example.com/faq): [Short explanation]
- [Warranty Information](https://www.example.com/warranty): [Short explanation]
- [Shipping or Delivery](https://www.example.com/shipping): [Short explanation]
- [Return Policy](https://www.example.com/returns): [Short explanation]

## Locations

- [Main Location](https://www.example.com/locations/main): [Address, service area, or location details]
- [Additional Location](https://www.example.com/locations/second): [Address, service area, or location details]

## Credentials and Trust

- [About the Business](https://www.example.com/about): [History, experience, memberships, or credentials]
- [Reviews or Testimonials](https://www.example.com/reviews): [Where customers can read verified feedback]

## Contact

- [Contact the Business](https://www.example.com/contact): [Explain how to call, email, request a quote, or ask a question]

## Optional

- [Company News](https://www.example.com/news): [News and announcements]
- [Educational Resources](https://www.example.com/resources): [Helpful articles, videos, or guides]

Fictional Example 1: A Simple Automotive Recycler File

The business and website below are fictional.

# Sunshine Auto Recyclers

> Sunshine Auto Recyclers sells quality recycled OEM auto parts to vehicle owners, repair shops, body shops, and mechanical professionals in Southwest Florida and throughout the United States.

Important information:

- We sell recycled original-equipment auto parts.
- Customers can search our current inventory online.
- Shipping and local pickup are available for many parts.
- Availability, condition, mileage, and warranty coverage may differ by part.

## Parts and Inventory

- [Search Used Auto Parts](https://www.sunshineautorecyclers.example/parts): Search available engines, transmissions, body parts, wheels, electrical parts, and other recycled OEM components.
- [Request a Part](https://www.sunshineautorecyclers.example/part-request): Ask our parts team to locate a specific vehicle component.

## Customer Information

- [Warranty Information](https://www.sunshineautorecyclers.example/warranty): Review available warranty coverage and important conditions.
- [Shipping and Pickup](https://www.sunshineautorecyclers.example/shipping): Learn about freight, delivery, shipping, and local pickup.
- [Return Policy](https://www.sunshineautorecyclers.example/returns): Read the requirements for returning an eligible part.

## About the Business

- [About Sunshine Auto Recyclers](https://www.sunshineautorecyclers.example/about): Learn about our facility, team, service area, and automotive-recycling process.
- [Contact Us](https://www.sunshineautorecyclers.example/contact): Call, email, request a quote, or ask about a part.

Fictional Example 2: A More Detailed Automotive Recycler File

This second example shows how a larger automotive recycler could organize more information. This business and website are also fictional.

# Heritage Auto Parts and Recycling

> Heritage Auto Parts and Recycling is a professional automotive recycling company that supplies recycled OEM parts to consumers, repair facilities, collision centers, dealerships, fleets, and insurance-related partners.

Heritage Auto Parts and Recycling operates a full-service automotive recycling facility.

Important business information:

- Inventory changes daily.
- Part fitment should be confirmed before purchase.
- Some parts can be shipped nationwide.
- Large or heavy components may require commercial freight delivery.
- Warranty coverage depends on the part and purchase terms.
- Only approved memberships, credentials, certifications, and achievements should be displayed or referenced.

## Recycled OEM Parts

- [Engines](https://www.heritageautoparts.example/engines): Search recycled OEM engines by year, make, model, mileage, and availability.
- [Transmissions](https://www.heritageautoparts.example/transmissions): Search automatic and manual recycled OEM transmissions.
- [Body Parts](https://www.heritageautoparts.example/body-parts): Find doors, hoods, fenders, bumpers, mirrors, and other exterior components.
- [Electrical Parts](https://www.heritageautoparts.example/electrical): Find modules, computers, starters, alternators, and other electrical components.
- [Wheels and Tires](https://www.heritageautoparts.example/wheels): Search available factory wheels and selected tire inventory.

## Inventory and Ordering

- [Search Current Inventory](https://www.heritageautoparts.example/inventory): Search available vehicles and recycled parts.
- [Request a Part](https://www.heritageautoparts.example/request): Send the parts team a request for a specific component.
- [Understanding Part Information](https://www.heritageautoparts.example/part-information): Learn about stock numbers, mileage, condition notes, interchange, and photographs.
- [Buying Process](https://www.heritageautoparts.example/how-to-buy): Learn how to confirm availability, request a quote, pay, and arrange pickup or delivery.

## Shipping, Pickup, and Delivery

- [Freight Shipping](https://www.heritageautoparts.example/freight): Information about commercial freight, delivery requirements, and oversized parts.
- [Local Pickup](https://www.heritageautoparts.example/pickup): Pickup hours, identification requirements, and loading information.
- [Local Delivery](https://www.heritageautoparts.example/delivery): Information about available delivery areas and scheduling.

## Policies

- [Warranty Policy](https://www.heritageautoparts.example/warranty): Warranty terms, coverage, exclusions, and claim instructions.
- [Return Policy](https://www.heritageautoparts.example/returns): Return eligibility, time limits, and required documentation.
- [Core Charge Information](https://www.heritageautoparts.example/core-charges): Explanation of applicable core charges and return requirements.
- [Recall and Safety Information](https://www.heritageautoparts.example/safety): Information about recall checks, restricted components, and safety procedures.

## Business Information

- [About Our Facility](https://www.heritageautoparts.example/about): Company history, facility information, business model, and recycling process.
- [Service Areas](https://www.heritageautoparts.example/service-areas): Areas served through pickup, delivery, shipping, or freight.
- [Industry Memberships and Credentials](https://www.heritageautoparts.example/credentials): Current industry memberships, certifications, environmental programs, and approved credentials.
- [Contact Our Team](https://www.heritageautoparts.example/contact): Contact sales, customer service, shipping, or accounting.

## Helpful Resources

- [How to Buy the Correct Used Auto Part](https://www.heritageautoparts.example/guides/buying-used-parts): A simple guide to VINs, fitment, interchange, condition, and warranties.
- [Recycled OEM Parts FAQ](https://www.heritageautoparts.example/faq): Answers to common questions about recycled automotive parts.

## Optional

- [Company News](https://www.heritageautoparts.example/news): Business announcements, community activities, and company updates.
- [Educational Videos](https://www.heritageautoparts.example/videos): Videos about recycled parts, inventory, ordering, and automotive recycling.

How to Create the File

Step 1: Choose the Most Important Pages

Do not list every page just because it exists.

Start with pages that clearly explain:

What the business does
What it sells
Who it serves
Where it operates
How to buy or request service
Important policies
Credentials and trust information
How to contact the business

Step 2: Write Short Descriptions

Each link should have a short description explaining what the page contains.

Good:

- [Warranty Information](https://www.example.com/warranty): Review warranty coverage, time limits, exclusions, and claim instructions.

Less helpful:

- [Click Here](https://www.example.com/page)

Step 3: Use Real, Public Pages

Only link to pages that:

Work correctly
Are available to the public
Contain accurate information
Can be read without signing in
Do not expose private customer or company information

Step 4: Upload the File

The finished file is normally uploaded to:

https://www.yourwebsite.com/llms.txt

Ask a website developer or hosting provider to confirm that the file:

Opens in a browser
Returns a successful response
Is not blocked
Contains plain, readable text
Uses the correct web address

Step 5: Keep It Updated

Review the file when the business changes:

Services
Products
Locations
Hours
Policies
Credentials
Contact information
Important website pages

A short, accurate file is better than a long, outdated one.

Should Every Business Add One?

New Best Practice, But Not Required.

A small website with clear pages and simple navigation may already be easy for AI tools to understand.

An llms.txt file may be more useful when a website has:

Many services or products
A large inventory
Detailed policies
Several locations
Technical documentation
Frequently changing information
Important resources spread across many pages

For an automotive recycler, the file could provide a clear path to inventory, part requests, warranties, shipping, returns, recall information, facility details and credentials.

What an llms.txt File Cannot Replace

Even when a business chooses to add the file, it still needs:

A crawlable website
Accurate business information
Clear service and product pages
Useful customer answers
Original evidence and photographs
Consistent profiles and listings
Legitimate reviews and credentials
Strong internal links
Updated policies
Ongoing AI visibility monitoring

The file summarizes and organizes information. It does not repair missing, inaccurate or weak website content.

Simple Takeaway

An llms.txt file is an optional map for AI tools.

It can organize important business information in one small, easy-to-read place. It may help an AI agent find useful pages faster and use less unnecessary information.

It is not required, and it is not yet an official web standard. Businesses should treat it as one possible part of a larger AI visibility program.