{"success":true,"site":"https://psu.edu","verdict":"Open to all listed AI 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/"}]},{"bot":"Google-GeminiNotebook","company":"Google","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Google-Agent","company":"Google","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Applebot","company":"Apple","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Applebot-Extended","company":"Apple","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Meta-ExternalAgent","company":"Meta","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"meta-webindexer","company":"Meta","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"meta-externalfetcher","company":"Meta","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"meta-externalads","company":"Meta","purpose":"ads","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Amazonbot","company":"Amazon","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"Amazonbot","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Amzn-SearchBot","company":"Amazon","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Amzn-User","company":"Amazon","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","ignoresRobots":true,"paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"DuckAssistBot","company":"DuckDuckGo","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"MistralAI-User","company":"Mistral","purpose":"user","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"MistralAI-Index","company":"Mistral","purpose":"search","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"MistralAI-Training","company":"Mistral","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"CCBot","company":"Common Crawl","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"CCBot","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"Bytespider","company":"ByteDance","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"Bytespider","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]},{"bot":"cohere-ai","company":"Cohere","purpose":"training","status":"allowed","allowedAll":true,"matchedGroup":"*","paths":[{"path":"/","allowed":true,"rule":"Allow: /"}]}],"recommendedRobotsSnippet":null,"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: /search\nDisallow: /404\nDisallow: /api/\nDisallow: /admission/undergraduate/forms/pmm-questions\nDisallow: /admission/undergraduate/explore/visit-penn-state/sasd-university-park\nDisallow: /admission/undergraduate/forms/bus-trip-participation\nDisallow: /costs-aid/this-is-a-test\nDisallow: /admission/undergraduate/explore/visit-penn-state/2plus2-ASE\nDisallow: /admission/undergraduate/forms/letsride-phl\nDisallow: /admission/undergraduate/forms/letsride-dc\nDisallow: /admission/undergraduate/forms/letsride-ctr\nDisallow: /admission/undergraduate/forms/letsride-pgh\nDisallow: /admission/undergraduate/forms/letsride-hbrg\nDisallow: /admission/undergraduate/forms/aavp-welcome-binder\nDisallow: /admission/undergraduate/forms/vamonos-centre\nDisallow: /admission/undergraduate/forms/vamonos-hbg-rdg\nDisallow: /admission/undergraduate/forms/vamonos-md-dc\nDisallow: /admission/undergraduate/forms/vamonos-pgh\nDisallow: /admission/undergraduate/forms/vamonos-phl\nDisallow: /academics/undergraduate/majors/rail-transportation-engineering\nDisallow: /resources/admitted-students/enrolling\nDisallow: /resources/admitted-students/likely\nDisallow: /resources/admitted-students/undecided\nDisallow: /admission/undergraduate/explore/visit-penn-state/achievers\nDisallow: /legal-statements\nDisallow: /costs-aid/forms/student-identity-verification-fidedn\nDisallow: /costs-aid/forms/commonwealth-appeal-form\nDisallow: /costs-aid/forms/quake-release-2027\nDisallow: /costs-aid/forms/karli-short-better-tomorrow-scholarship-application\nDisallow: /costs-aid/forms/student-marital-status-f27smr\nDisallow: /costs-aid/forms/laurel-haven-endowment-scholarship-application-form\nDisallow: /costs-aid/forms/smithfield-foods-inc-scholarship-form\nDisallow: /costs-aid/forms/student-acknowledgment-ineligibility-loans\nDisallow: /costs-aid/forms/parent-marital-status-change-form-fscefd\nDisallow: /costs-aid/forms/dependency-review\nDisallow: /costs-aid/forms/prior-year-dependency-review\nDisallow: /costs-aid/forms/dependency-review-unsub-request\nDisallow: /costs-aid/forms/unaccompanied-youth\nDisallow: /costs-aid/forms/f26pew\nDisallow: /costs-aid/forms/parent-tax-filer-f27ptx\nDisallow: /costs-aid/forms/student-tax-filer-f27stx\nDisallow: /costs-aid/forms/parent-foreign-tax-2018\nDisallow: /costs-aid/forms/parent-foreign-tax-f27ptx\nDisallow: /costs-aid/forms/student-rollover-f26srl\nDisallow: /costs-aid/forms/student-tax-confirmation-f27sta\nDisallow: /costs-aid/forms/fhmls-2026\nDisallow: /costs-aid/forms/sabr\nDisallow: /costs-aid/forms/f26srl\nDisallow: /costs-aid/forms/f26sfi\nDisallow: /costs-aid/forms/f26ied\n\n# Everyone else\nUser-agent: *\nDisallow: /search\nDisallow: /404\nDisallow: /api/\nDisallow: /admission/undergraduate/forms/pmm-questions\nDisallow: /admission/undergraduate/explore/visit-penn-state/sasd-university-park\nDisallow: /admission/undergraduate/forms/bus-trip-participation\nDisallow: /costs-aid/this-is-a-test\nDisallow: /admission/undergraduate/explore/visit-penn-state/2plus2-ASE\nDisallow: /admission/undergraduate/forms/letsride-phl\nDisallow: /admission/undergraduate/forms/letsride-dc\nDisallow: /admission/undergraduate/forms/letsride-ctr\nDisallow: /admission/undergraduate/forms/letsride-pgh\nDisallow: /admission/undergraduate/forms/letsride-hbrg\nDisallow: /admission/undergraduate/forms/aavp-welcome-binder\nDisallow: /admission/undergraduate/forms/vamonos-centre\nDisallow: /admission/undergraduate/forms/vamonos-hbg-rdg\nDisallow: /admission/undergraduate/forms/vamonos-md-dc\nDisallow: /admission/undergraduate/forms/vamonos-pgh\nDisallow: /admission/undergraduate/forms/vamonos-phl\nDisallow: /academics/undergraduate/majors/rail-transportation-engineering\nDisallow: /resources/admitted-students/enrolling\nDisallow: /resources/admitted-students/likely\nDisallow: /resources/admitted-students/undecided\nDisallow: /admission/undergraduate/explore/visit-penn-state/achievers\nDisallow: /legal-statements\nDisallow: /costs-aid/forms/student-identity-verification-fidedn\nDisallow: /costs-aid/forms/commonwealth-appeal-form\nDisallow: /costs-aid/forms/quake-release-2027\nDisallow: /costs-aid/forms/karli-short-better-tomorrow-scholarship-application\nDisallow: /costs-aid/forms/student-marital-status-f27smr\nDisallow: /costs-aid/forms/laurel-haven-endowment-scholarship-application-form\nDisallow: /costs-aid/forms/smithfield-foods-inc-scholarship-form\nDisallow: /costs-aid/forms/student-acknowledgment-ineligibility-loans\nDisallow: /costs-aid/forms/parent-marital-status-change-form-fscefd\nDisallow: /costs-aid/forms/dependency-review\nDisallow: /costs-aid/forms/prior-year-dependency-review\nDisallow: /costs-aid/forms/dependency-review-unsub-request\nDisallow: /costs-aid/forms/unaccompanied-youth\nDisallow: /costs-aid/forms/f26pew\nDisallow: /costs-aid/forms/parent-tax-filer-f27ptx\nDisallow: /costs-aid/forms/student-tax-filer-f27stx\nDisallow: /costs-aid/forms/parent-foreign-tax-2018\nDisallow: /costs-aid/forms/parent-foreign-tax-f27ptx\nDisallow: /costs-aid/forms/student-rollover-f26srl\nDisallow: /costs-aid/forms/student-tax-confirmation-f27sta\nDisallow: /costs-aid/forms/fhmls-2026\nDisallow: /costs-aid/forms/sabr\nDisallow: /costs-aid/forms/f26srl\nDisallow: /costs-aid/forms/f26sfi\nDisallow: /costs-aid/forms/f26ied\n\nSitemap: https://www.psu.edu/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"}