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.

Live token counts
Verified implementations
Updated daily
1432 results

Achadinho em Oferta - As melhores oportunidades

Encontre as melhores ofertas de tecnologia, casa, moda e auto peças. Achadinho em Oferta: qualidade técnica e preço baixo em um só lugar.

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

AgentFi optimizes any page for AI agents — not just product catalogs.

AgentFi is optimization platform that helps businesses improve visibility and discovery across AI engines like ChatGPT, Perplexity and Claude.

/llms.txt
507 tokens
/llms-full.txt
1,714 tokens
AI & Technology

Coloring Lane

Coloring Lane offers over 800 free printable coloring pages and paint-by-number designs.

/llms.txt
609 tokens
0
Content & Media

Dejan Markovic - Senior WordPress Developer Toronto

Senior WordPress developer, 20+ years enterprise delivery. Clients: Rogers, Munich Re, Great-West Life, Ministry of Education Ontario, WP Engine.

/llms.txt
2,295 tokens
/llms-full.txt
3,838 tokens
Professional Services

Goldnova Logistics

Goldnova Logistics is a freight brokerage in Jersey City, NJ connecting shippers with carriers for FTL, LTL, and specialized transport.

/llms.txt
14,105 tokens
0
Transportation & Logistics

Chelmark Staffing

UK recruitment agency specialising in Care, Education, FM, Security, Hospitality & Technology staffing. Rapid, compliant placements nationwide.

/llms.txt
93,650 tokens
/llms-full.txt
93,652 tokens
Professional Services

Wattcalc

Free Australian calculators for energy & sustainability — solar payback, home batteries, heat-pump hot water, EV running costs and home charger install costs.

/llms.txt
989 tokens
0
Energy & Utilities

Calcula

Free Australian mortgage, tax, stamp duty, debt-payoff and rent-vs-buy calculators with up-to-date 2025-26 figures. Plain-English explainer articles.

/llms.txt
946 tokens
0
Finance & Banking

Mida — AI-Powered Lightweight A/B Testing Platform

Lightweight A/B testing for marketing teams. No-code experiments, unlimited AI variants, free 100K MTU/month.

/llms.txt
4,121 tokens
/llms-full.txt
26,355 tokens
SaaS Product

Coastal Windows & Exteriors — Massachusetts, New Hampshire & Maine Exterior Remodeling

Trusted New England contractor for window replacement, fiber cement siding, asphalt roofing, and entry doors. Serving MA, NH & ME since 2007.

/llms.txt
55,106 tokens
0
Construction & Real Estate

Best Architects in india

Best Architects in india

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

ReClaw

Zero-knowledge OpenClaw backup and recovery with client-side encryption, restore metadata, CLI automation, OpenAPI, MCP, and agent docs.

/llms.txt
1,142 tokens
/llms-full.txt
1,748 tokens
Development & Tools

Packrift AI Catalog

AI-readable packaging catalog, buying guides, calculators, and Packrift MCP resources for business supply buyers.

/llms.txt
1,159 tokens
/llms-full.txt
6,709 tokens
Business & E-commerce

chatgpt

Get expert cloud infrastructure consulting for DevOps as a Service, InfraShift Solutions, AWS, Azure, GCP.

/llms.txt
1,562 tokens
0
Professional Services

settlment decisions

Free expert tools to calculate your settlement value, compare top buyers, and get 10-25% more for your payments.

/llms.txt
2,594 tokens
/llms-full.txt
2,370 tokens
Finance & Banking

Ndianabasi Udonkang's Portfolio

NDIANABASI.COM is my personal portfolio website featuring my resume, technical blog, and technical services that I offer.

/llms.txt
33,723 tokens
0
AI & Technology

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. The search volume for AI-related queries has exploded, and your target audience is increasingly turning to these platforms for high quality information.

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, but it can guide AI systems on how to use your content. This creates an AI overview of your site that helps these systems understand your content better.

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 your content reach your target audience through social media sharing and AI-powered discovery.

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 AI systems read llms.txt?

Major AI systems that can benefit from llms.txt include OpenAI's ChatGPT and GPTBot, Anthropic's Claude and ClaudeBot, Google's Gemini and Google-Extended crawler, Perplexity AI and PerplexityBot, Microsoft Copilot, and Cohere AI. The standard is gaining adoption across the AI ecosystem.

Is llms.txt the same as robots.txt?

No. robots.txt tells search engine crawlers which pages to index or avoid. llms.txt is specifically designed for AI language models — it provides context about your site's content, purpose, and how AI should use your information. They serve complementary purposes: robots.txt controls crawling, llms.txt guides AI understanding.

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.

How does llms.txt improve AI search visibility?

llms.txt helps AI search engines understand your content's structure, authority, and purpose. When AI systems like Perplexity or ChatGPT Search need to cite sources, sites with clear llms.txt implementations are easier to parse, quote, and recommend — leading to more AI-driven referral traffic.

How do I get my website listed in the llms.txt directory?

Submit your website for free at llmtxt.app/submit. Requirements: your site must have a publicly accessible /llms.txt file with meaningful content, be active and accessible, and follow our content guidelines. We verify submissions within 24-48 hours and add approved sites to the directory.