llms.txt – AI SEO & Search Engine Optimization Directory

We've curated 1,300+ websites using llms.txt to improve AI-driven search and SEO optimization. By implementing llms.txt, site owners save time on content generation, gain more organic traffic and strengthen their AI SEO strategy. Whether you're focused on keyword research, link building or optimizing content for search engine optimization our directory helps you stay ahead.

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1501 results

Sandisk

High-performance SSDs, memory cards, and USB Flash Drives designed to prioritize speed, reliability, and energy efficiency for gamers, digital photography, and every day users.

/llms.txt

7,458 tokens

SaaS & Products

Instant

Instant is a modern Firebase. We make you productive by giving your frontend a real-time database.

/llms.txt

715 tokens

/llms-full.txt

52,854 tokens

Developer Tools

Comparisonator

Comparisonator is the next-generation football recruitment platform. Compare, search, virtually transfer and recruit across 271 leagues.

/llms.txt

132,688 tokens

SaaS & Products

Assurance en Direct

Assurance auto, habitation, scooter, moto et voiture sans permis. Assurance en ligne et souscription et édition attestation et carte verte.

/llms.txt

1,712,317 tokens

Finance & Banking

AgentQL

Start building AI agents with natural language queries, connecting web data and enabling precise automation.

/llms.txt

2,690 tokens

/llms-full.txt

63,232 tokens

AI & Machine Learning

OpenAlternative

A curated collection of the best open source alternatives to everyday SaaS products. Save money with reliable tools hand-picked for you.

/llms.txt

21,242 tokens

Websites

Rizk

Prevent AI failures before they happen. Rizk is an open-source policy enforcement tool that ensures AI agents comply with security, privacy, and ethical guidelines in real-time.

/llms.txt

359 tokens

/llms-full.txt

4,068 tokens

AI & Machine Learning

Adiacent

Adiacent è il global digital business partner di riferimento per la Total Experience.

/llms.txt

177,245 tokens

/llms-full.txt

319,125 tokens

Websites

WE IN STYLE

Discover the latest in luxury fashion at WE IN STYLE. Shop the finest ready-to-wear, shoes, and accessories for men, women, and children. Explore new arrivals weekly from top designer brands like Moncler, Burberry, Fendi, Prada, Valentino, and more. Enjoy an unparalleled shopping experience today.

/llms.txt

10,240 tokens

Websites

Sigtech

/llms.txt

40,101 tokens

Websites

Getinbox

Search for verified professional email addresses. Enter a prospect's name and company to find their email instantly. Start for free, no card required!

/llms.txt

649 tokens

SaaS & Products

TwoShoes

Discover an extensive collection of women's shoes. Free delivery in Belgium. Brands: Geox, Tamaris, Tango, Skechers, Nø-name, Nathan-Baume.

/llms.txt

1,645 tokens

SaaS & Products

Agno

An open-source platform to build, ship and monitor agentic systems.

/llms.txt

14,707 tokens

/llms-full.txt

366,975 tokens

Developer Tools

Tidio

Convert more leads, provide stellar support, and boost your revenue with Tidio’s game-changing AI-driven customer service solution.

/llms.txt

7,311 tokens

/llms-full.txt

73,310 tokens

SaaS & Products

Marco Ronco

Marco Ronco SEO & Ads Google Partner. Aiuto gli imprenditori indipendenti ad intercettare i clienti ideali attraverso i motori di ricerca e monetizzarli.

/llms.txt

511 tokens

Websites

llms-txt.io

Free LLMs.txt Generator: Create AI-friendly llms.txt files for your website. Help AI systems better understand your content with the new standard for LLM-friendly documentation.

/llms.txt

0 tokens

SaaS & Products

Formwerk

A collection of Vue.js composables for building forms with behaviors, interactions, internationalization, and accessibility built-in, ready for your markup and styles.

/llms.txt

1,433 tokens

/llms-full.txt

133,883 tokens

Developer Tools

QR Code Generator

/llms.txt

918 tokens

Websites

Moccu

Content Marketing Agency for more Traffic + Sales

/llms.txt

4,576 tokens

Websites

Simplyweb

✅Szukasz agencji marketingowej? Potrzebujesz nową stronę, SEO lub kampanię reklamową? 🚀 Nie obiecujemy, działamy – skuteczny marketing dla Twojej firmy!

/llms.txt

781 tokens

Websites

Juan Luis Mora

Juan Luis Mora Consultor SEO Freelance. Potencia tu presencia online Atrae público a tu web. Estrategias SEO & ADS personalizadas Contacta YA

/llms.txt

137,984 tokens

Websites

LangChain (Python docs)

LangChain is a framework for developing applications powered by large language models (LLMs).

/llms.txt

24,909 tokens

Developer Tools

LangChain (JavaScript docs)

LangChain is a framework for developing applications powered by large language models (LLMs).

/llms.txt

23,943 tokens

Developer Tools

LangGraph (Python Docs)

LangGraph — used by Replit, Uber, LinkedIn, GitLab and more — is a low-level orchestration framework for building controllable agents.

/llms.txt

9,904 tokens

/llms-full.txt

268,738 tokens

Developer Tools

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AI SEO and llms.txt: Why This Matters Right Now

If you've been working in SEO or digital marketing for a while, you've probably noticed how quickly things are shifting. Google updates used to be the big worry. Now? It's AI search engines like Perplexity or even when someone asks ChatGPT about your brand. More and more people are asking AI instead of Googling — especially for anything research-heavy.

The tricky part is that these systems don't crawl the web like Google does. They need a little help. That's where llms.txt comes in — it's a simple file that tells AI systems what your site is about and how they can use it.

Why Add Another File?

I'll be honest: the first time I heard about llms.txt, I thought, “Great, another SEO thing to keep track of.” But after digging in, it started making sense.

Perplexity AI pulls answers directly from sources. If your site has an llms.txt file, you have a better shot at being one of those sources.
Developers I know have tested it with Anthropic's Claude and noticed the model "respects" those signals more than raw scraping.
A mid-sized SaaS company we checked saw a 15% bump in organic traffic from AI search mentions after adding llms.txt.

It's not magic, and it won't replace your usual SEO strategy like link building or keyword research. But it fills a gap that old tools like robots.txt just weren't built for. Plus, it helps AI systems find and cite your content instead of ignoring it.

How It Fits Into Real SEO Workflows

If you're already managing Google Search Console, publishing content, or optimizing pages, adding llms.txt is a low-lift task.

Think of it like this:
SEO optimization → tells Google what to index.
llms.txt optimization → tells AI what’s safe and useful to learn from.

The nice thing is, it also saves time. Instead of answering the same “Can AI use my site?” question in endless ways, you set the rules once.

A Quick Tangent on Content Creation

One interesting side effect: I’ve seen writers and creators start using their own llms.txt files almost like a portfolio. Instead of just hoping AI systems cite them, they’re structuring their best content to be “AI-ready.”

It reminds me a bit of when sitemaps first started gaining traction — at first, only the technical folks cared. Then marketers realized it gave them more control. I think llms.txt is on that same path.

Getting Started Without Overthinking It

Create a plain text file named llms.txt.
Add a few clear lines about what AI can or can’t use.
Upload it to your site’s root directory (just like robots.txt).

That’s it. No special tool required — though there are free generators if you’d rather not hand-write it.

Will it solve every AI SEO challenge? Probably not. But it’s one of those small, forward-looking moves that could pay off, especially as AI-driven search keeps growing.

Next Step

If you already have llms.txt set up, consider submitting your site to our directory. And if not, maybe block 15 minutes this week to try it out. Worst case, you’ll learn something new. Best case, you’ll get your content positioned for the future of search engine optimization.

Frequently Asked Questions About llms.txt

What is llms.txt?

llms.txt is a plain text file placed in a website's root directory that provides structured information to AI language models about how to use and cite the site's content. Similar to robots.txt for web crawlers, llms.txt is specifically designed for AI systems like ChatGPT, Perplexity, Claude, and Gemini.

How do I create an llms.txt file?

Create a plain text file named llms.txt in your website's root directory (accessible at yoursite.com/llms.txt). Include a clear description of your site, main content areas, AI usage guidelines, and contact information. Keep it under 2,000 tokens for the standard file, and use llms-full.txt for comprehensive documentation.

Does llms.txt improve SEO?

Yes. llms.txt improves AI SEO (also called GEO — Generative Engine Optimization) by helping AI search engines like Perplexity, ChatGPT Search, and Google AI Overviews understand and cite your content. Sites with llms.txt implementations have reported up to 15% increases in organic traffic from AI-driven search.

What is the difference between llms.txt and llms-full.txt?

llms.txt is a concise overview of your site (recommended under 2,000 tokens) covering essential information. llms-full.txt is an optional extended version with comprehensive documentation, detailed API specs, and extensive content. Think of llms.txt as an executive summary and llms-full.txt as the full report.

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