Is this website ready for AI agents?
MarkosWeb measures how well any website can be read, trusted and transacted with by AI agents. Look up any site - if we have not audited it yet, we audit it on the spot.
Browse by category
Every category is ranked by measured AI readiness.
The agentic frontier
Sites with llms.txt
Only 6.4% of 48,005 active sites publish an llms.txt for AI agents. See who does.
Guides
What is llms.txt?
Format, example, plugins - and real adoption data.
Agentic readiness checklist
All 30 measured signals, with how to fix each.
AI crawlers & robots.txt
GPTBot, ClaudeBot, Perplexity - three ready policies.
For people
See whether a site is legitimate, active and safe to deal with before you or your assistant transact.
For AI engines
Structured, cite-able facts for the "is {domain} legit / ready for agents" question.
For agents
Machine-readable readiness at /api/v1/domains/{domain}.json.
Browse the full directory → - tags, A-Z, extensions, hosting