| {"kind":"crawlcheck-census-weekly","v":1,"week":"2026-W43","state":"week_to_date","from":"2026-10-19T00:00:00.000Z","to":"2026-10-22T22:19:42.013Z","built_at":"2026-10-22T22:19:42.013Z","frames":[{"frame":"top1k","label":"top 1,000, daily","runs_this_week":4,"run":{"run":21,"finished_at":"2026-10-22T06:26:51.393Z"},"compared_with":{"run":17,"finished_at":"2026-10-18T06:34:02.634Z"},"sites":991,"figures":[{"id":"reachable","group":"Reach","label":"Homepage answers a browser (2xx after redirects)","count":506,"of":991,"pct":51.1,"pct_before":54.3,"points_all":-3.2,"points":-3.2,"sites_gained":14,"sites_lost":46,"compared":991,"denominator_entered":0,"denominator_left":0},{"id":"robots_served","group":"Crawler policy","label":"Serves a robots.txt (200, not HTML)","count":396,"of":506,"pct":78.3,"pct_before":77.7,"points_all":0.6,"points":-0.6,"sites_gained":2,"sites_lost":5,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"robots_sitemap","group":"Crawler policy","label":"robots.txt names a sitemap","count":282,"of":396,"pct":71.2,"pct_before":70.8,"points_all":0.4,"points":0.8,"sites_gained":3,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"content_signal","group":"Crawler policy","label":"robots.txt carries a Content-Signal line","count":15,"of":396,"pct":3.8,"pct_before":3.8,"points_all":0,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"cs_ai_train_no","group":"Crawler policy","label":"Content-Signal says ai-train=no","count":10,"of":396,"pct":2.5,"pct_before":2.4,"points_all":0.1,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"cs_ai_input_no","group":"Crawler policy","label":"Content-Signal says ai-input=no or search=no","count":4,"of":396,"pct":1,"pct_before":1,"points_all":0,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_any_ai","group":"Crawler policy","label":"robots.txt closes / to at least one of the 12 AI agents","count":97,"of":396,"pct":24.5,"pct_before":23.2,"points_all":1.3,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_GPTBot","group":"Crawler policy","label":"robots.txt closes / to GPTBot","count":66,"of":396,"pct":16.7,"pct_before":14.8,"points_all":1.9,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_OAI-SearchBot","group":"Crawler policy","label":"robots.txt closes / to OAI-SearchBot","count":31,"of":396,"pct":7.8,"pct_before":7.2,"points_all":0.6,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_ChatGPT-User","group":"Crawler policy","label":"robots.txt closes / to ChatGPT-User","count":40,"of":396,"pct":10.1,"pct_before":9.3,"points_all":0.8,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_ClaudeBot","group":"Crawler policy","label":"robots.txt closes / to ClaudeBot","count":61,"of":396,"pct":15.4,"pct_before":14.6,"points_all":0.8,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Claude-SearchBot","group":"Crawler policy","label":"robots.txt closes / to Claude-SearchBot","count":32,"of":396,"pct":8.1,"pct_before":7.7,"points_all":0.4,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_PerplexityBot","group":"Crawler policy","label":"robots.txt closes / to PerplexityBot","count":48,"of":396,"pct":12.1,"pct_before":11.2,"points_all":0.9,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Google-Extended","group":"Crawler policy","label":"robots.txt closes / to Google-Extended","count":54,"of":396,"pct":13.6,"pct_before":12.2,"points_all":1.4,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Applebot-Extended","group":"Crawler policy","label":"robots.txt closes / to Applebot-Extended","count":48,"of":396,"pct":12.1,"pct_before":11.2,"points_all":0.9,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_CCBot","group":"Crawler policy","label":"robots.txt closes / to CCBot","count":78,"of":396,"pct":19.7,"pct_before":18.4,"points_all":1.3,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Bytespider","group":"Crawler policy","label":"robots.txt closes / to Bytespider","count":74,"of":396,"pct":18.7,"pct_before":17.9,"points_all":0.8,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Meta-ExternalAgent","group":"Crawler policy","label":"robots.txt closes / to Meta-ExternalAgent","count":59,"of":396,"pct":14.9,"pct_before":14.1,"points_all":0.8,"points":0,"sites_gained":0,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"blocks_Amazonbot","group":"Crawler policy","label":"robots.txt closes / to Amazonbot","count":53,"of":396,"pct":13.4,"pct_before":13.2,"points_all":0.2,"points":0.3,"sites_gained":1,"sites_lost":0,"compared":383,"denominator_entered":13,"denominator_left":35},{"id":"llms_txt","group":"Machine files","label":"Serves /llms.txt","count":108,"of":506,"pct":21.3,"pct_before":21.2,"points_all":0.1,"points":0.2,"sites_gained":4,"sites_lost":3,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"agents_md","group":"Machine files","label":"Serves /agents.md","count":12,"of":506,"pct":2.4,"pct_before":2.6,"points_all":-0.2,"points":-0.2,"sites_gained":0,"sites_lost":1,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"agent_skills","group":"Capabilities","label":"Publishes an agent-skills index","count":12,"of":506,"pct":2.4,"pct_before":2.4,"points_all":0,"points":0.2,"sites_gained":1,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"mcp_card","group":"Capabilities","label":"Publishes an MCP server card","count":13,"of":506,"pct":2.6,"pct_before":2.4,"points_all":0.2,"points":0.2,"sites_gained":1,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"api_catalog","group":"Capabilities","label":"Publishes an API catalog (RFC 9727)","count":10,"of":506,"pct":2,"pct_before":2.2,"points_all":-0.2,"points":-0.2,"sites_gained":1,"sites_lost":2,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"a2a_card","group":"Capabilities","label":"Publishes an A2A agent card","count":2,"of":506,"pct":0.4,"pct_before":0.6,"points_all":-0.2,"points":0,"sites_gained":0,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"any_capability","group":"Capabilities","label":"Declares any agent capability (any of the four above)","count":15,"of":506,"pct":3,"pct_before":3,"points_all":0,"points":0.2,"sites_gained":1,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"ai_refused_any","group":"Delivery parity","label":"At least one AI identity is refused (non-2xx) where the browser got 2xx","count":94,"of":506,"pct":18.6,"pct_before":22.3,"points_all":-3.7,"points":0.6,"sites_gained":7,"sites_lost":4,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"ai_thin_any","group":"Delivery parity","label":"At least one AI identity gets under 70% of the browser's bytes (both 2xx)","count":24,"of":506,"pct":4.7,"pct_before":4.5,"points_all":0.2,"points":0,"sites_gained":2,"sites_lost":2,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"mcp_declared","group":"Endpoint rings","label":"Names an MCP endpoint (server card, llms.txt, agents.md, a homepage link, or /mcp answers like one)","count":53,"of":506,"pct":10.5,"pct_before":10.2,"points_all":0.3,"points":0,"sites_gained":1,"sites_lost":1,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"mcp_live","group":"Endpoint rings","label":"An MCP endpoint completes the handshake (initialize and tools/list; no tool called)","count":7,"of":506,"pct":1.4,"pct_before":1.7,"points_all":-0.3,"points":0,"sites_gained":0,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"mcp_live_of_declared","group":"Endpoint rings","label":"Of sites naming an MCP endpoint, one completes the handshake or asks for credentials","count":40,"of":53,"pct":75.5,"pct_before":72.7,"points_all":2.8,"points":0,"sites_gained":0,"sites_lost":0,"compared":51,"denominator_entered":2,"denominator_left":4},{"id":"a2a_declared","group":"Endpoint rings","label":"The A2A agent card names an endpoint url","count":1,"of":506,"pct":0.2,"pct_before":0.2,"points_all":0,"points":0,"sites_gained":0,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"a2a_answers","group":"Endpoint rings","label":"Of A2A cards naming a url, the url answers (any non-5xx, not an HTML page)","count":0,"of":1,"pct":0,"pct_before":0,"points_all":0,"points":0,"sites_gained":0,"sites_lost":0,"compared":1,"denominator_entered":0,"denominator_left":0},{"id":"webmcp","group":"Endpoint rings","label":"Homepage carries WebMCP (navigator.modelContext, a WebMCP bridge, or an mcp+json block)","count":1,"of":506,"pct":0.2,"pct_before":0.2,"points_all":0,"points":0,"sites_gained":0,"sites_lost":0,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"refused_gptbot","group":"Delivery parity","label":"GPTBot refused where the browser got 2xx","count":77,"of":506,"pct":15.2,"pct_before":19.1,"points_all":-3.9,"points":0.2,"sites_gained":5,"sites_lost":4,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"refused_claudebot","group":"Delivery parity","label":"ClaudeBot refused where the browser got 2xx","count":75,"of":506,"pct":14.8,"pct_before":18.6,"points_all":-3.8,"points":0.6,"sites_gained":7,"sites_lost":4,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"refused_oaisearch","group":"Delivery parity","label":"OAI-SearchBot refused where the browser got 2xx","count":48,"of":506,"pct":9.5,"pct_before":13.9,"points_all":-4.4,"points":0.2,"sites_gained":2,"sites_lost":1,"compared":492,"denominator_entered":14,"denominator_left":46},{"id":"refused_perplexity","group":"Delivery parity","label":"PerplexityBot refused where the browser got 2xx","count":52,"of":506,"pct":10.3,"pct_before":15.2,"points_all":-4.9,"points":-0.2,"sites_gained":1,"sites_lost":2,"compared":492,"denominator_entered":14,"denominator_left":46}],"movers":[{"id":"reachable","label":"Homepage answers a browser (2xx after redirects)","points":-3.2,"sites_gained":14,"sites_lost":46},{"id":"robots_sitemap","label":"robots.txt names a sitemap","points":0.8,"sites_gained":3,"sites_lost":0},{"id":"ai_refused_any","label":"At least one AI identity is refused (non-2xx) where the browser got 2xx","points":0.6,"sites_gained":7,"sites_lost":4},{"id":"refused_claudebot","label":"ClaudeBot refused where the browser got 2xx","points":0.6,"sites_gained":7,"sites_lost":4},{"id":"robots_served","label":"Serves a robots.txt (200, not HTML)","points":-0.6,"sites_gained":2,"sites_lost":5}]},{"frame":"top10k","label":"top 10,000, weekly","runs_this_week":0,"run":null,"compared_with":{"run":3,"finished_at":"2026-10-17T18:23:49.920Z"},"note":"no run of this frame finished in the week"}],"reading":"Each frame compares the last run that finished in this ISO week (UTC) with the last run that finished before it. Change is like-for-like: points = (sites gained - sites lost) / sites compared, counting only sites measured in both runs and inside the figure's denominator both times, so a site that did not answer in one run cannot move a figure. points_all is the plain difference of the two percentages, and denominator_entered / denominator_left count the sites that moved in or out of a figure's base (often a site that did not answer one run). No site is named; per-site records: https://crawlcheck.io/api/census/records.","method":"https://crawlcheck.io/api/census","page":"https://crawlcheck.io/data/census/weekly?week=2026-W43","editions":[{"week":"2026-W40","url":"https://crawlcheck.io/api/v1/census/weekly?week=2026-W40","archive":"https://crawlcheck.io/api/v1/census/weekly/2026-W40.json"},{"week":"2026-W41","url":"https://crawlcheck.io/api/v1/census/weekly?week=2026-W41","archive":"https://crawlcheck.io/api/v1/census/weekly/2026-W41.json"},{"week":"2026-W42","url":"https://crawlcheck.io/api/v1/census/weekly?week=2026-W42","archive":"https://crawlcheck.io/api/v1/census/weekly/2026-W42.json"}],"feed":"https://crawlcheck.io/api/v1/census/weekly/feed.xml","code":{"version_id":"da94e6ca-966b-4192-be60-54360c8c3f7f","script_sha16":"bd35c2360c4df456","state":"attested","deployed":{"at":"2026-10-22T22:17:32.950Z","commit":"71b0a8729bf3","run":"39863751435"},"build_log_entry":880,"score_version":33,"scoring_policy_sha256":"44f9fc198a52f8c3439e70b757e0520105a0a101157a486240eedad868651f84","decision_rules_sha256":"18dd5636e0896692ab518050cb401744edea2e6f1086dff94fead314959bdc3e","check":"https://crawlcheck.io/api/v1/builds/da94e6ca-966b-4192-be60-54360c8c3f7f"},"sha256":"c91eb377dc2000127ba1ac09b6b487de92727059589ff47d9bf609c1b641d3c0","signature":{"v":1,"alg":"Ed25519","kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","over":"sha256","message":"crawlcheck-data-v1\nc91eb377dc2000127ba1ac09b6b487de92727059589ff47d9bf609c1b641d3c0","sig":"rXWYlN9YDjkwkCchRAJsFO4nst4ITmPU2SIhuWYeDrOyfuAQdld46XkcrtUNlSoYTr8fKIbdr4wZl_Zwy5wBAQ","signed_at":"2026-10-22T22:19:42.192Z","key":{"kid":"1hHmE3fo1rg5Ig70wuFtJ5wBc7G-sUTgUJkxyPWFRps","jwk":{"kty":"OKP","crv":"Ed25519","x":"5TmKCOx0TTHepq7HwyXBHvGQpVCSBd2lV8cLzYVqFxQ"},"published_in":"https://crawlcheck.io/.well-known/http-message-signatures-directory"},"canonical":"sha256 over canonical JSON of every field except sha256 and signature"}} |