Free AEO Tools: AI Crawler, llms.txt & AI Visibility Checks
AEO tools answer one question from two sides: can AI crawlers reach and read your site, and do AI assistants actually recommend you? Every tool here runs a live check — no signup, no tracking subscription.
AEO Grader
Free AEO grader: we check AI crawler access, llms.txt, schema, answer-first content and entity signals, then score your AI search readiness 0–100.
Open toolAI Crawler Checker
Every major AI crawler — GPTBot, ClaudeBot, PerplexityBot, Google-Extended, Bytespider and more — what each does, plus a 1-click check of your site.
Open toolAI Visibility Checker
Free AI visibility checker: we ask ChatGPT your buyers' questions and show whether you're named, where you rank and who wins instead. No signup.
Open toolAmazonbot Checker
What is Amazonbot and should you allow it? Check your robots.txt and a live request as Amazonbot, plus what Amazon says it uses the crawler for.
Open toolApplebot Checker
Check whether Applebot and Applebot-Extended can crawl your site. One powers Siri and Spotlight, the other controls Apple AI training. See your rules.
Open toolBytespider Checker
What is Bytespider and should you block it? Check your robots.txt and a live request as Bytespider, see what ByteDance uses it for, copy the rule.
Open toolClaudeBot Checker
Is ClaudeBot blocked on your site? Check robots.txt and a live request as ClaudeBot, Claude-SearchBot and Claude-User — and what each Anthropic bot does.
Open toolGPTBot Checker
Is GPTBot or OAI-SearchBot blocked? We read your robots.txt and request your homepage as each OpenAI bot, then show which to allow for ChatGPT search.
Open toolllms.txt Checker
What goes in an llms.txt file, where it lives and who reads it. Check your site's llms.txt for format errors and broken links, or copy a valid example.
Open toolllms.txt Generator
Free llms.txt generator. Create a valid llms.txt file that tells AI crawlers (ChatGPT, Perplexity, Claude) which of your pages matter most — then copy or download it.
Open toolAI Robots.txt Generator
Free robots.txt generator for AI crawlers. Choose exactly which AI bots — GPTBot, ClaudeBot, PerplexityBot, Google-Extended and more — can access your site.
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Check what AI actually says about you
Crawler access is the prerequisite. The free AI visibility audit tests the outcome.