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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1502 results

AI bookkeeping and bank reconciliation for UK accountants. CodeIQ codes and posts transactions, ReconcileIQ reconciles bank data, LedgerIQ analyses the GL.

/llms.txt
843 tokens
/llms-full.txt
2,280 tokens
SaaS & Products

autoremind.ai is an AI-powered follow-up reminder tool that automatically sends and escalates reminder messages.

/llms.txt
3,191 tokens
/llms-full.txt
5,905 tokens
AI & Machine Learning

ร้านแว่น MATTAYA VISION ร้านแว่นใกล้ฉัน ร้านแว่นสายตา ศูนย์เลนส์โปรเกรสซีฟ เฉพาะบุคคลระดับพรีเมียม วัดสายตาโดยนักทัศนมาตร มาตรฐานจักษุแพทย์

/llms.txt
1,805 tokens
0
Health & Medical

Browser-only business tools for paid downloads, Stripe delivery checks, chargeback packets, quote review, and launch privacy.

/llms.txt
13,923 tokens
0
Developer Tools

Simple Twitter/X data API for developers, analytics teams, SaaS builders, and AI-agent workflows.

/llms.txt
886 tokens
0
Developer Tools

AI social media manager for small businesses — daily Instagram content generation (photos, videos, carousels, stories, reels) + DM bot that forwards orders to W

/llms.txt
2,002 tokens
0
AI & Machine Learning

Wheelie helps coding agents request paid validation/evidence services and return typed receipts with budget-cap and result metadata.

/llms.txt
1,989 tokens
/llms-full.txt
1,608 tokens
Developer Tools

Stone & tile installation in Orlando — pools, mosaics, hardscape, fabrication, restoration. Family-run, 35+ years of craftsmanship.

/llms.txt
1,025 tokens
/llms-full.txt
1,441 tokens
Real Estate & Construction

St Barts luxury villa rental specialist. ~565 villas, founded 2009, inquiry-based bookings, on-island concierge.

/llms.txt
1,106 tokens
/llms-full.txt
1,169 tokens
Business & E-commerce

Buy safe game boosting services at Boostmatch. Pro boosters help you level up, farm rewards, clear hard content, and save hours in your favorite games.

/llms.txt
1,743 tokens
0
Entertainment & Gaming

Teinture Sauvage est une entreprise artisanale de teinture végétale sans alun.

/llms.txt
1,207 tokens
0
Health & Medical

AI-assisted global news briefings with concise coverage across world, technology, business, science, health and culture.

/llms.txt
145 tokens
0
Content & Media

Open specification for policy, traceability, evidence, closure roots, and review gates in agent-driven software work.

/llms.txt
704 tokens
0
Developer Tools

Curated startup directory with editorial notes, funding signals, investor context, and source links.

/llms.txt
272 tokens
0
Business & E-commerce

Free timed mock tests for CIPLE, DELE, DELF, CELI, and DTZ citizenship exams. AI-scored reports, Anki decks, and iPhone app. No card for free tier.

/llms.txt
6,825 tokens
0
Education

Free online file converter and toolkit for PDF, image, document, developer, text, and calculator tools with no sign-up required.

/llms.txt
3,337 tokens
0
Developer Tools

Free online IQ tests, cognitive-training tools, methodology notes, and research-backed explainers about intelligence and assessment.

/llms.txt
639 tokens
0
Education

Research-informed essays on psychology, learning, work, technology, culture, and practical ideas.

/llms.txt
446 tokens
0
Education

AI chatbot platform for customer service. No code, live in 10 min. WhatsApp, web widget, standalone page. USD$5/mo.

/llms.txt
301 tokens
/llms-full.txt
1,903 tokens
SaaS & Products

Open-source longevity sport platform with public rankings, athlete profiles, biological-age calculators, events, and AI-readable llms.txt resources.

/llms.txt
483 tokens
/llms-full.txt
701 tokens
Health & Medical

Public Packrift packaging resource corpus with SKU signal pages, procurement readiness data, evidence cards, sitemaps, and llms.txt.

/llms.txt
311 tokens
0
Business & E-commerce

Private AI institutional memory, source-backed knowledge graph, MCP and paid pilot checkout.

/llms.txt
845 tokens
/llms-full.txt
1,218 tokens
AI & Machine Learning

Medwave provides medical credentialing, payer contracting, and billing services to practices nationwide. Based in Cranberry Township, PA. Call (412) 219-4789.

/llms.txt
117,996 tokens
0
Health & Medical

Multi-agent AI for automotive supply chain planning, risk response, and financial recovery.

/llms.txt
1,154 tokens
0
Automotive & Transport

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

  1. Create a plain text file named llms.txt.
  2. Add a few clear lines about what AI can or can’t use.
  3. 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.

LLMs.txt Directory – AI SEO & AI Search Optimization Guide - Page 61