{"success":true,"site":"https://pbs.org","verdict":"Some AI search/assistant crawlers are blocked (PerplexityBot): the site may not appear in those AI answers.","policy":"blocks-search","aiSearchScore":94,"aiAccessScore":85,"allowedBots":["OAI-SearchBot","ChatGPT-User","OAI-AdsBot","ClaudeBot","Claude-SearchBot","Claude-User","Perplexity-User","Google-Extended","Google-CloudVertexBot","Google-GeminiNotebook","Google-Agent","Applebot","Applebot-Extended","Meta-ExternalAgent","meta-webindexer","meta-externalfetcher","meta-externalads","Amazonbot","Amzn-SearchBot","Amzn-User","DuckAssistBot","MistralAI-User","MistralAI-Index","MistralAI-Training","cohere-ai"],"blockedBots":["GPTBot","PerplexityBot","CCBot","Bytespider"],"partialBots":[],"unknownBots":[],"contentSignals":null,"robotsTxt":{"url":"https://pbs.org/robots.txt","status":200,"state":"found","reason":null,"sitemaps":["https://www.pbs.org/sitemap.xml","http://www.pbs.org/mercy-street/sitemap.xml","https://www.pbs.org/newshour/sitemaps/sitemap.xml","https://www.pbs.org/weta/washingtonweek/sitemap.xml"]},"llmsTxt":{"found":false,"url":"https://pbs.org/llms.txt","status":502,"startsWithH1":null},"llmsFullTxt":{"found":false,"url":"https://pbs.org/llms-full.txt","status":502,"startsWithH1":null},"homepage":{"status":200,"metaRobots":null,"xRobotsTag":null},"noAiDirective":false,"testedPaths":["/"],"bots":[{"bot":"GPTBot","company":"OpenAI","purpose":"training","status":"blocked","allowedAll":false,"matchedGroup":"GPTBot","paths":[{"path":"/","allowed":false,"rule":"Disallow: /"}]},{"bot":"OAI-SearchBot","company":"OpenAI","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"ChatGPT-User","company":"OpenAI","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"OAI-AdsBot","company":"OpenAI","purpose":"ads","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"ClaudeBot","company":"Anthropic","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Claude-SearchBot","company":"Anthropic","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Claude-User","company":"Anthropic","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"PerplexityBot","company":"Perplexity","purpose":"search","status":"blocked","allowedAll":false,"matchedGroup":"PerplexityBot","paths":[{"path":"/","allowed":false,"rule":"Disallow: /"}]},{"bot":"Perplexity-User","company":"Perplexity","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Google-Extended","company":"Google","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Google-CloudVertexBot","company":"Google","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Google-GeminiNotebook","company":"Google","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Google-Agent","company":"Google","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Applebot","company":"Apple","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Applebot-Extended","company":"Apple","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Meta-ExternalAgent","company":"Meta","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"meta-webindexer","company":"Meta","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"meta-externalfetcher","company":"Meta","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"meta-externalads","company":"Meta","purpose":"ads","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Amazonbot","company":"Amazon","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Amzn-SearchBot","company":"Amazon","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"Amzn-User","company":"Amazon","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"DuckAssistBot","company":"DuckDuckGo","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"MistralAI-User","company":"Mistral","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"MistralAI-Index","company":"Mistral","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"MistralAI-Training","company":"Mistral","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]},{"bot":"CCBot","company":"Common Crawl","purpose":"training","status":"blocked","allowedAll":false,"matchedGroup":"CCBot","paths":[{"path":"/","allowed":false,"rule":"Disallow: /"}]},{"bot":"Bytespider","company":"ByteDance","purpose":"training","status":"blocked","allowedAll":false,"matchedGroup":"Bytespider","paths":[{"path":"/","allowed":false,"rule":"Disallow: /"}]},{"bot":"cohere-ai","company":"Cohere","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":null}]}],"recommendedRobotsSnippet":"# Allow AI search and assistant crawlers (they decide whether the site can appear in AI answers)\n# Also remove \"Disallow: /\" from the existing group(s) for: PerplexityBot\nUser-agent: PerplexityBot\nAllow: /\nDisallow: /wgbh/pages/frontline/digitalnation/%3F\nDisallow: /wgbh/pages/frontline/digitalnation/%3F*\nDisallow: /wgbh/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/bushswar*\nDisallow: /independentlens/getinvolved/cinema/\nDisallow: /cgi-bin/*\nDisallow: /cgi-registry/*\nDisallow: /survey/\nDisallow: /whatson/stations/\nDisallow: /whatson/schedulex/\nDisallow: /whatson/pbsyou/\nDisallow: /whatson/dbs/\nDisallow: /remotecontrol/bestpractices/prototype/\nDisallow: /remotecontrol/bestpractices/jl-prototype/\nDisallow: /pressroom/\nDisallow: /als/shakespeare_pilot/\nDisallow: /newshour/bb/military/military.html/\nDisallow: /producers/webmanual/\nDisallow: /devcon2007/\nDisallow: /smcot/\nDisallow: /pbsholidaycard/\nDisallow: /gpra/\nDisallow: /tlqa/\nDisallow: /remote.control/\nDisallow: /teachers/connect/\nDisallow: /engage/sites/all/files/blog_images/monkeys.gif\nDisallow: /teachers/edcar/\nDisallow: /teachers/dll_research/\nDisallow: /peerconnection/feeds/\nDisallow: /teachers/innovators/toolkit/\nDisallow: /mt4/\nDisallow: /klru/mt4/\nDisallow: /newshour/mt4/\nDisallow: /mediashift/mt4/\nDisallow: /kcet/mt4/\nDisallow: /newshour/mt3/\nDisallow: /now/mt3/\nDisallow: /itvs/mt3/\nDisallow: /pbs/mt3/\nDisallow: /pbs/mt3o4/\nDisallow: /pbs/mt4/\nDisallow: /pbs/teachers/mt3/\nDisallow: /pbs/kids/mt3/\nDisallow: /pbs/kids/mt4/\nDisallow: /pbs/src/mt4/\nDisallow: /pbs/parents/mt4/\nDisallow: /pbsi/mt3/\nDisallow: /moyers/mt3/\nDisallow: /moyers/mt4/\n","suggestedPolicy":"# AI model training crawlers: blocked (does not affect AI search answers)\nUser-agent: GPTBot\nUser-agent: ClaudeBot\nUser-agent: Google-Extended\nUser-agent: Applebot-Extended\nUser-agent: Meta-ExternalAgent\nUser-agent: Amazonbot\nUser-agent: MistralAI-Training\nUser-agent: CCBot\nUser-agent: Bytespider\nUser-agent: cohere-ai\nDisallow: /\n\n# AI search and assistant crawlers: allowed\nUser-agent: OAI-SearchBot\nUser-agent: ChatGPT-User\nUser-agent: Claude-SearchBot\nUser-agent: Claude-User\nUser-agent: PerplexityBot\nUser-agent: Perplexity-User\nUser-agent: Google-CloudVertexBot\nUser-agent: Google-GeminiNotebook\nUser-agent: Google-Agent\nUser-agent: Applebot\nUser-agent: meta-webindexer\nUser-agent: meta-externalfetcher\nUser-agent: Amzn-SearchBot\nUser-agent: Amzn-User\nUser-agent: DuckAssistBot\nUser-agent: MistralAI-User\nUser-agent: MistralAI-Index\nAllow: /\nDisallow: /wgbh/pages/frontline/digitalnation/%3F\nDisallow: /wgbh/pages/frontline/digitalnation/%3F*\nDisallow: /wgbh/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/bushswar*\nDisallow: /independentlens/getinvolved/cinema/\nDisallow: /cgi-bin/*\nDisallow: /cgi-registry/*\nDisallow: /survey/\nDisallow: /whatson/stations/\nDisallow: /whatson/schedulex/\nDisallow: /whatson/pbsyou/\nDisallow: /whatson/dbs/\nDisallow: /remotecontrol/bestpractices/prototype/\nDisallow: /remotecontrol/bestpractices/jl-prototype/\nDisallow: /pressroom/\nDisallow: /als/shakespeare_pilot/\nDisallow: /newshour/bb/military/military.html/\nDisallow: /producers/webmanual/\nDisallow: /devcon2007/\nDisallow: /smcot/\nDisallow: /pbsholidaycard/\nDisallow: /gpra/\nDisallow: /tlqa/\nDisallow: /remote.control/\nDisallow: /teachers/connect/\nDisallow: /engage/sites/all/files/blog_images/monkeys.gif\nDisallow: /teachers/edcar/\nDisallow: /teachers/dll_research/\nDisallow: /peerconnection/feeds/\nDisallow: /teachers/innovators/toolkit/\nDisallow: /mt4/\nDisallow: /klru/mt4/\nDisallow: /newshour/mt4/\nDisallow: /mediashift/mt4/\nDisallow: /kcet/mt4/\nDisallow: /newshour/mt3/\nDisallow: /now/mt3/\nDisallow: /itvs/mt3/\nDisallow: /pbs/mt3/\nDisallow: /pbs/mt3o4/\nDisallow: /pbs/mt4/\nDisallow: /pbs/teachers/mt3/\nDisallow: /pbs/kids/mt3/\nDisallow: /pbs/kids/mt4/\nDisallow: /pbs/src/mt4/\nDisallow: /pbs/parents/mt4/\nDisallow: /pbsi/mt3/\nDisallow: /moyers/mt3/\nDisallow: /moyers/mt4/\n\n# Everyone else\nUser-agent: *\nDisallow: /wgbh/pages/frontline/digitalnation/%3F\nDisallow: /wgbh/pages/frontline/digitalnation/%3F*\nDisallow: /wgbh/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/*elqat*\nDisallow: /wgbh/pages/frontline/bushswar*\nDisallow: /independentlens/getinvolved/cinema/\nDisallow: /cgi-bin/*\nDisallow: /cgi-registry/*\nDisallow: /survey/\nDisallow: /whatson/stations/\nDisallow: /whatson/schedulex/\nDisallow: /whatson/pbsyou/\nDisallow: /whatson/dbs/\nDisallow: /remotecontrol/bestpractices/prototype/\nDisallow: /remotecontrol/bestpractices/jl-prototype/\nDisallow: /pressroom/\nDisallow: /als/shakespeare_pilot/\nDisallow: /newshour/bb/military/military.html/\nDisallow: /producers/webmanual/\nDisallow: /devcon2007/\nDisallow: /smcot/\nDisallow: /pbsholidaycard/\nDisallow: /gpra/\nDisallow: /tlqa/\nDisallow: /remote.control/\nDisallow: /teachers/connect/\nDisallow: /engage/sites/all/files/blog_images/monkeys.gif\nDisallow: /teachers/edcar/\nDisallow: /teachers/dll_research/\nDisallow: /peerconnection/feeds/\nDisallow: /teachers/innovators/toolkit/\nDisallow: /mt4/\nDisallow: /klru/mt4/\nDisallow: /newshour/mt4/\nDisallow: /mediashift/mt4/\nDisallow: /kcet/mt4/\nDisallow: /newshour/mt3/\nDisallow: /now/mt3/\nDisallow: /itvs/mt3/\nDisallow: /pbs/mt3/\nDisallow: /pbs/mt3o4/\nDisallow: /pbs/mt4/\nDisallow: /pbs/teachers/mt3/\nDisallow: /pbs/kids/mt3/\nDisallow: /pbs/kids/mt4/\nDisallow: /pbs/src/mt4/\nDisallow: /pbs/parents/mt4/\nDisallow: /pbsi/mt3/\nDisallow: /moyers/mt3/\nDisallow: /moyers/mt4/\n\nSitemap: https://www.pbs.org/sitemap.xml\nSitemap: http://www.pbs.org/mercy-street/sitemap.xml\nSitemap: https://www.pbs.org/newshour/sitemaps/sitemap.xml\nSitemap: https://www.pbs.org/weta/washingtonweek/sitemap.xml\n","crawlerList":{"count":29,"updated":"2026-10-01","version":"29-19a6fb23"},"tier":"free","upgrade":{"api":"https://tools.yukai.uk/go/ai-crawlers-api?from=free-ai-crawlers&c=upgrade","bulk":"https://tools.yukai.uk/go/ai-crawlers-apify?from=free-ai-crawlers&c=upgrade","all":"https://tools.yukai.uk/llms.txt","note":"More checks per month: AI Crawler Access Checker API (free plan: 100 requests/month). Many sites per run and change monitoring: AI Crawler Access Checker on Apify ($2 per 1,000 sites)."},"index":"https://tools.yukai.uk/ai-crawler-index"}