{
  "entity_a": {
    "slug": "googlebot",
    "name": "Googlebot"
  },
  "entity_b": {
    "slug": "googleother",
    "name": "GoogleOther"
  },
  "fields_documented": 13,
  "claims": 19,
  "last_verified": "2026-09-15",
  "fields": [
    {
      "field": "cites_sources",
      "value_a": "yes",
      "value_b": null,
      "claim_id_a": 69,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "honours_crawl_delay",
      "value_a": "no",
      "value_b": "no",
      "claim_id_a": 64,
      "claim_id_b": 72,
      "same": true
    },
    {
      "field": "observed_fetches_robots_txt",
      "value_a": null,
      "value_b": "no",
      "claim_id_a": null,
      "claim_id_b": 147,
      "same": false
    },
    {
      "field": "observed_requested_mcp_endpoint",
      "value_a": null,
      "value_b": "yes",
      "claim_id_a": null,
      "claim_id_b": 146,
      "same": false
    },
    {
      "field": "observed_verified_request_ratio_census",
      "value_a": "0.991",
      "value_b": null,
      "claim_id_a": 149,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "publishes_ip_list",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 65,
      "claim_id_b": 73,
      "same": true
    },
    {
      "field": "purpose_documented",
      "value_a": "search",
      "value_b": "mixed",
      "claim_id_a": 67,
      "claim_id_b": 75,
      "same": false
    },
    {
      "field": "reads_llms_txt",
      "value_a": "no",
      "value_b": null,
      "claim_id_a": 132,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "respects_robots_txt",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 63,
      "claim_id_b": 71,
      "same": true
    },
    {
      "field": "robots_txt_token",
      "value_a": null,
      "value_b": "GoogleOther",
      "claim_id_a": null,
      "claim_id_b": 77,
      "same": false
    },
    {
      "field": "separate_search_and_training_tokens",
      "value_a": "yes",
      "value_b": "not_documented",
      "claim_id_a": 68,
      "claim_id_b": 76,
      "same": false
    },
    {
      "field": "user_agent_string_full",
      "value_a": "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html)",
      "value_b": null,
      "claim_id_a": 70,
      "claim_id_b": null,
      "same": false
    },
    {
      "field": "verifiable_by_rdns",
      "value_a": "yes",
      "value_b": "yes",
      "claim_id_a": 66,
      "claim_id_b": 74,
      "same": true
    }
  ],
  "differences": [
    {
      "field": "cites_sources",
      "statement_a": "Google AI Overviews and AI Mode return AI generated responses with links to supporting websites.",
      "statement_b": null,
      "claim_id_a": 69,
      "claim_id_b": null
    },
    {
      "field": "observed_fetches_robots_txt",
      "statement_a": null,
      "statement_b": "GoogleOther made 93 requests to Rattlesnakes By Mail between 2026-09-13T20:00Z and 2026-09-15T09:00Z and fetched /robots.txt on none of those requests. GoogleOther's first request to Rattlesnakes By Mail was the home page at 2026-09-14T12:03:30Z.",
      "claim_id_a": null,
      "claim_id_b": 147
    },
    {
      "field": "observed_requested_mcp_endpoint",
      "statement_a": null,
      "statement_b": "GoogleOther requested the /mcp endpoint of Rattlesnakes By Mail twice between 2026-09-13T20:00Z and 2026-09-15T09:00Z, at 2026-09-14T15:07:30Z and at 2026-09-14T18:27:49Z. Rattlesnakes By Mail returned status 405 to both GoogleOther requests for /mcp.",
      "claim_id_a": null,
      "claim_id_b": 146
    },
    {
      "field": "observed_verified_request_ratio_census",
      "statement_a": "Googlebot requests to Rattlesnakes By Mail matched Google's published IP ranges on 108 of 109 requests between 2026-09-13T20:00Z and 2026-09-15T09:00Z. Googlebot's first request to Rattlesnakes By Mail in that window was /robots.txt at 2026-09-14T11:53:00Z.",
      "statement_b": null,
      "claim_id_a": 149,
      "claim_id_b": null
    },
    {
      "field": "purpose_documented",
      "statement_a": "Googlebot crawls pages for Google Search, Google Images, Google Video, Google News, and Discover.",
      "statement_b": "GoogleOther is a generic crawler that Google product teams use to fetch publicly accessible content from sites.",
      "claim_id_a": 67,
      "claim_id_b": 75
    },
    {
      "field": "reads_llms_txt",
      "statement_a": "Google Search does not use llms.txt files.",
      "statement_b": null,
      "claim_id_a": 132,
      "claim_id_b": null
    },
    {
      "field": "robots_txt_token",
      "statement_a": null,
      "statement_b": "The robots.txt token for GoogleOther is GoogleOther.",
      "claim_id_a": null,
      "claim_id_b": 77
    },
    {
      "field": "separate_search_and_training_tokens",
      "statement_a": "Google separates Search crawling under the Googlebot token from Gemini training under the Google-Extended token.",
      "statement_b": "Google does not document whether content fetched by GoogleOther is used for Gemini training.",
      "claim_id_a": 68,
      "claim_id_b": 76
    },
    {
      "field": "user_agent_string_full",
      "statement_a": "Googlebot sends the user agent string Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; Googlebot/2.1; +http://www.google.com/bot.html).",
      "statement_b": null,
      "claim_id_a": 70,
      "claim_id_b": null
    }
  ],
  "sources": [
    "https://developers.google.com/crawling/docs/crawlers-fetchers/verifying-googlebot",
    "https://developers.google.com/search/blog/2019/07/a-note-on-unsupported-rules-in-robotstxt",
    "https://developers.google.com/search/docs/appearance/ai-features",
    "https://developers.google.com/search/docs/crawling-indexing/google-common-crawlers",
    "https://developers.google.com/search/docs/fundamentals/ai-optimization-guide",
    "https://developers.google.com/static/crawling/ipranges/common-crawlers.json",
    "https://rattlesnakesbymail.com/observed/googlebot",
    "https://rattlesnakesbymail.com/observed/googleother"
  ]
}