| { |
| "block_all_via_star": 71757, |
| "block_all_via_star_pct_all": 7.19, |
| "block_at_least_one_ai": 93155, |
| "block_at_least_one_ai_pct_all": 9.33, |
| "block_at_least_one_ai_pct_robots": 14.8, |
| "by_bot": [ |
| { |
| "Bot": "GPTBot (OpenAI)", |
| "UA": "gptbot", |
| "FullyBlocked": 73841, |
| "Named": 88968, |
| "FullyBlockedPctAll": 7.4, |
| "FullyBlockedPctRobots": 11.73, |
| "NamedPctAll": 8.91 |
| }, |
| { |
| "Bot": "CCBot (Common Crawl)", |
| "UA": "ccbot", |
| "FullyBlocked": 72159, |
| "Named": 124834, |
| "FullyBlockedPctAll": 7.23, |
| "FullyBlockedPctRobots": 11.46, |
| "NamedPctAll": 12.5 |
| }, |
| { |
| "Bot": "Bytespider (ByteDance)", |
| "UA": "bytespider", |
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| "Named": 117917, |
| "FullyBlockedPctAll": 6.77, |
| "FullyBlockedPctRobots": 10.74, |
| "NamedPctAll": 11.81 |
| }, |
| { |
| "Bot": "ClaudeBot (Anthropic)", |
| "UA": "claudebot", |
| "FullyBlocked": 66847, |
| "Named": 79345, |
| "FullyBlockedPctAll": 6.69, |
| "FullyBlockedPctRobots": 10.62, |
| "NamedPctAll": 7.95 |
| }, |
| { |
| "Bot": "Amazonbot", |
| "UA": "amazonbot", |
| "FullyBlocked": 65893, |
| "Named": 72948, |
| "FullyBlockedPctAll": 6.6, |
| "FullyBlockedPctRobots": 10.47, |
| "NamedPctAll": 7.31 |
| }, |
| { |
| "Bot": "Google-Extended", |
| "UA": "google-extended", |
| "FullyBlocked": 62707, |
| "Named": 73934, |
| "FullyBlockedPctAll": 6.28, |
| "FullyBlockedPctRobots": 9.96, |
| "NamedPctAll": 7.4 |
| }, |
| { |
| "Bot": "Meta-ExternalAgent", |
| "UA": "meta-externalagent", |
| "FullyBlocked": 60159, |
| "Named": 69507, |
| "FullyBlockedPctAll": 6.02, |
| "FullyBlockedPctRobots": 9.56, |
| "NamedPctAll": 6.96 |
| }, |
| { |
| "Bot": "Applebot-Extended", |
| "UA": "applebot-extended", |
| "FullyBlocked": 59193, |
| "Named": 65288, |
| "FullyBlockedPctAll": 5.93, |
| "FullyBlockedPctRobots": 9.4, |
| "NamedPctAll": 6.54 |
| }, |
| { |
| "Bot": "PetalBot", |
| "UA": "petalbot", |
| "FullyBlocked": 16123, |
| "Named": 64634, |
| "FullyBlockedPctAll": 1.61, |
| "FullyBlockedPctRobots": 2.56, |
| "NamedPctAll": 6.47 |
| }, |
| { |
| "Bot": "ChatGPT-User", |
| "UA": "chatgpt-user", |
| "FullyBlocked": 15848, |
| "Named": 27029, |
| "FullyBlockedPctAll": 1.59, |
| "FullyBlockedPctRobots": 2.52, |
| "NamedPctAll": 2.71 |
| }, |
| { |
| "Bot": "anthropic-ai", |
| "UA": "anthropic-ai", |
| "FullyBlocked": 15093, |
| "Named": 22280, |
| "FullyBlockedPctAll": 1.51, |
| "FullyBlockedPctRobots": 2.4, |
| "NamedPctAll": 2.23 |
| }, |
| { |
| "Bot": "PerplexityBot", |
| "UA": "perplexitybot", |
| "FullyBlocked": 12845, |
| "Named": 24847, |
| "FullyBlockedPctAll": 1.29, |
| "FullyBlockedPctRobots": 2.04, |
| "NamedPctAll": 2.49 |
| }, |
| { |
| "Bot": "cohere-ai", |
| "UA": "cohere-ai", |
| "FullyBlocked": 11780, |
| "Named": 16423, |
| "FullyBlockedPctAll": 1.18, |
| "FullyBlockedPctRobots": 1.87, |
| "NamedPctAll": 1.64 |
| }, |
| { |
| "Bot": "Claude-Web", |
| "UA": "claude-web", |
| "FullyBlocked": 11774, |
| "Named": 16593, |
| "FullyBlockedPctAll": 1.18, |
| "FullyBlockedPctRobots": 1.87, |
| "NamedPctAll": 1.66 |
| }, |
| { |
| "Bot": "ImageSiftBot", |
| "UA": "imagesiftbot", |
| "FullyBlocked": 11442, |
| "Named": 13011, |
| "FullyBlockedPctAll": 1.15, |
| "FullyBlockedPctRobots": 1.82, |
| "NamedPctAll": 1.3 |
| }, |
| { |
| "Bot": "Omgilibot", |
| "UA": "omgilibot", |
| "FullyBlocked": 11267, |
| "Named": 13951, |
| "FullyBlockedPctAll": 1.13, |
| "FullyBlockedPctRobots": 1.79, |
| "NamedPctAll": 1.4 |
| }, |
| { |
| "Bot": "YouBot", |
| "UA": "youbot", |
| "FullyBlocked": 9647, |
| "Named": 14091, |
| "FullyBlockedPctAll": 0.97, |
| "FullyBlockedPctRobots": 1.53, |
| "NamedPctAll": 1.41 |
| }, |
| { |
| "Bot": "FacebookBot", |
| "UA": "facebookbot", |
| "FullyBlocked": 9464, |
| "Named": 14741, |
| "FullyBlockedPctAll": 0.95, |
| "FullyBlockedPctRobots": 1.5, |
| "NamedPctAll": 1.48 |
| }, |
| { |
| "Bot": "Diffbot", |
| "UA": "diffbot", |
| "FullyBlocked": 9220, |
| "Named": 11453, |
| "FullyBlockedPctAll": 0.92, |
| "FullyBlockedPctRobots": 1.46, |
| "NamedPctAll": 1.15 |
| }, |
| { |
| "Bot": "OAI-SearchBot", |
| "UA": "oai-searchbot", |
| "FullyBlocked": 6757, |
| "Named": 16430, |
| "FullyBlockedPctAll": 0.68, |
| "FullyBlockedPctRobots": 1.07, |
| "NamedPctAll": 1.65 |
| } |
| ], |
| "definition": "A site 'fully blocks' a crawler if robots.txt names that user-agent (exact, case-insensitive) in a group with 'Disallow: /'.", |
| "license": "CC BY 4.0", |
| "rank_gradient": [ |
| { |
| "band": "1-1000", |
| "block_any_pct_all": 12.9, |
| "block_any_pct_robots": 22.51, |
| "n": 1000 |
| }, |
| { |
| "band": "1001-10000", |
| "block_any_pct_all": 13.52, |
| "block_any_pct_robots": 20.9, |
| "n": 9000 |
| }, |
| { |
| "band": "10001-100000", |
| "block_any_pct_all": 10.9, |
| "block_any_pct_robots": 17.07, |
| "n": 90000 |
| }, |
| { |
| "band": "100001-1000000", |
| "block_any_pct_all": 9.13, |
| "block_any_pct_robots": 14.5, |
| "n": 898497 |
| } |
| ], |
| "run_id": "aicrawler-top1m-20260620", |
| "scanned_at": "2026-06-20", |
| "source": "https://crawlora.net/ai-crawler-index", |
| "title": "AI-Crawler Blocking Index", |
| "total_domains": 998497, |
| "with_robots_txt": 629565, |
| "with_robots_txt_pct": 63.05 |
| } |
