AI-readability score
One audit grades how well ChatGPT, Perplexity, Gemini and Google AI Overviews can parse, understand and quote your pages, with a prioritized fix list.
AEO and llms.txt and AI readability
See your website the way AI sees it.
Get an AI-readability score, auto-generate a production-ready llms.txt, and get alerted the moment a change hurts how AI engines read and cite you.
Built for SEO teams, content leads and agencies. Early-access pricing from EUR 15 to 19/mo.
Built for SEO teams, content leads, agencies and indie founders racing to stay visible in AI search.
Built for AI search visibility
One-click llms.txt
Generate a clean, standards-aligned llms.txt and llms-full.txt that tells AI agents exactly which content on your site matters.
Change and citation monitor
We re-crawl on a schedule and alert you when a deploy, redesign or content change drops your AI-readability, before your citations do.
How it works
1
Add your domain
Point us at your site. No code, no tag manager.
2
Get your score plus llms.txt
An AI-readability grade and a ready-to-ship llms.txt in minutes.
3
Monitor and get alerts
We watch every change and ping you when AI-readability drops.
See it in action
Promptproof turns every crawl into a clear dashboard for the pages, files and citations that matter. Watch your AI-readability score, llms.txt coverage and citation signals in one calm workspace before a change ships.
Simple, honest pricing
EUR 15 to 19 per month
Audit, llms.txt generator and change monitoring in one. Founding users lock in early-access pricing for life.
FAQ
What is llms.txt?
A proposed open standard: a single file that tells AI crawlers and agents which content on your site matters most and how to use it, like robots.txt but for LLMs.
What is AEO?
Answer Engine Optimization, making sure AI answer engines can find, parse and cite your content, the way SEO did for search engines.
When does it launch?
We are validating demand right now. Join the waitlist to get early access and founding-member pricing.