Free AEO Checker

Check whether AI assistants and AI search tools can find, read, and quote your website. Enter a URL for a score, a fix list, and a draft llms.txt. No signup.

Try an example

What the checker tests

Each check has a weight. The weights add up to 100. A pass earns full points, a warning earns about half, and a fail earns none.

  • AI crawler access
    Checks robots.txt for ten AI bots, including GPTBot, OAI-SearchBot, ChatGPT-User, ClaudeBot, Claude-SearchBot, PerplexityBot, Perplexity-User, Google-Extended, Applebot-Extended, and CCBot.
  • Indexable and quotable
    Checks that the page returns a normal response with no noindex or nosnippet directive.
  • Server-rendered text
    Checks that the main text is in the HTML before any JavaScript runs.
  • llms.txt and sitemap
    Checks for /llms.txt, /llms-full.txt, and an XML sitemap that crawlers can follow.
  • Page basics
    Checks the title, meta description, h1, h2 headings, canonical link, language, and Open Graph tags.
  • Structured data
    Looks for JSON-LD such as Organization, Article, Product, BreadcrumbList, and FAQPage.

AI crawlers it checks

  • OpenAIGPTBot, OAI-SearchBot, ChatGPT-User
  • AnthropicClaudeBot, Claude-SearchBot
  • PerplexityPerplexityBot, Perplexity-User
  • GoogleGoogle-Extended
  • AppleApplebot-Extended
  • Common CrawlCCBot

What is AEO?

Answer engine optimization (AEO) is the work of making your site easy for AI assistants and AI search to find, read, and quote. Many of the fixes are technical: let the right bots in, serve text in the HTML, and describe your pages clearly.

Frequently asked questions