Weekly report · 2026-W41 · current

The state of AI crawling

Measured on 30,225 reachable domains for the week ending 2026-10-11. Every figure is the result of an automated audit run the same way on every domain: read robots.txt, resolve the rules for 48 tracked agents, then send live requests as four of them.

← 2026-W40  ·  this is the latest

30,225
domains measured
7%
block an answer engine
19%
refuse AI agents at the edge
14%
publish an llms.txt

Block rate by crawler with change on the previous week

CrawlerOperatorContent used forBlock rateSitesWeek on week
GPTBot OpenAI training 7.1% 2,153 of 30,223 level
CCBot Common Crawl Foundation archive 6.9% 2,072 of 30,223 level
Bytespider ByteDance training 6.5% 1,964 of 30,223 level
ClaudeBot Anthropic training 5.8% 1,747 of 30,223 level
Meta-ExternalAgent Meta training 4.8% 1,438 of 30,223 level
Amazonbot Amazon training 4.7% 1,420 of 30,223 level
Google-Extended Google training 4.6% 1,393 of 30,223 level
Applebot-Extended Apple training 4.6% 1,384 of 30,223 level
anthropic-ai Anthropic training 4.4% 1,328 of 30,223 level
omgilibot Webz.io training 4.3% 1,298 of 30,223 level
Diffbot Diffbot training 4.1% 1,233 of 30,223 level
cohere-ai Cohere live retrieval 4.1% 1,230 of 30,223 level
omgili Webz.io training 3.9% 1,182 of 30,223 level
SemrushBot-OCOB Semrush training 3.7% 1,129 of 30,223 level
PerplexityBot Perplexity answer index 3.5% 1,054 of 30,223 level
ChatGPT-User OpenAI live retrieval 3.5% 1,053 of 30,223 level
FacebookBot Meta training 3.3% 985 of 30,223 level
YouBot You.com answer index 3.0% 897 of 30,223 level
ImagesiftBot ImageSift (Hive) training 2.8% 852 of 30,223 level
Timpibot Timpi training 2.8% 837 of 30,223 level
Scrapy Zyte (open-source framework) training 2.5% 745 of 30,223 level
AI2Bot Allen Institute for AI training 2.3% 708 of 30,223 level
OAI-SearchBot OpenAI answer index 2.2% 650 of 30,223 level
cohere-training-data-crawler Cohere training 2.1% 624 of 30,223 level
Meta-ExternalFetcher Meta live retrieval 1.8% 556 of 30,223 level
DuckAssistBot DuckDuckGo live retrieval 1.7% 523 of 30,223 level
PanguBot Huawei training 1.7% 518 of 30,223 level
Claude-User Anthropic live retrieval 1.6% 498 of 30,223 level
Claude-SearchBot Anthropic answer index 1.6% 485 of 30,223 level
Perplexity-User Perplexity live retrieval 1.6% 469 of 30,223 level
Kangaroo Bot Kangaroo LLM training 1.5% 465 of 30,223 level
MistralAI-User Mistral AI live retrieval 1.5% 453 of 30,223 level
Google-CloudVertexBot Google live retrieval 1.4% 422 of 30,223 level
GoogleOther Google training 1.3% 384 of 30,223 level
Meta-WebIndexer Meta answer index 1.2% 359 of 30,223 level
Applebot Apple answer index 1.1% 344 of 30,223 level
TikTokSpider ByteDance live retrieval 0.8% 255 of 30,223 level
Amzn-SearchBot Amazon answer index 0.8% 240 of 30,223 level
Amzn-User Amazon live retrieval 0.6% 172 of 30,223 level
MistralAI-Training Mistral AI training 0.5% 145 of 30,223 level
MistralAI-Index Mistral AI answer index 0.3% 85 of 30,223 level
facebookexternalhit Meta live retrieval 0.2% 54 of 30,223 level
Bingbot Microsoft answer index 0.1% 41 of 30,223 level
Googlebot-News Google answer index 0.1% 36 of 30,223 level
Meta-ExternalAds Meta training 0.1% 22 of 30,223 level
msnbot Microsoft answer index 0.1% 20 of 30,223 level
Googlebot Google answer index 0.1% 16 of 30,223 level
OAI-AdsBot OpenAI live retrieval 0.0% 11 of 30,223 level

Trend share of measured sites

% of sites20151050% of sites08-2209-1410-07block an answer engineblock a training crawlerpublish llms.txt

Where the blocking is share blocking an answer engine, by top-level domain

bar chart.uk (n=446)16.6%.de (n=827)15.7%.fr (n=330)15.5%.jp (n=418)8.6%.com (n=14804)6.9%.br (n=376)5.9%.org (n=1670)5.5%.net (n=1305)4.4%.ru (n=1167)3.3%.in (n=304)3%.edu (n=473)2.1%.io (n=660)1.8%

Only TLDs with at least 40 measured domains are shown, and each bar carries its sample size. A TLD is a weak proxy for jurisdiction. Full segmentation.

Changes recorded this week 200 total

Full change log · RSS

Cite this CC BY 4.0

The figures on this page are frozen to the week shown and will not be edited after publication. Corrections are appended, not overwritten.

Crawl Census, "The state of AI crawling, 2026-W41", 2026-10-11. https://crawlcensus.com/report/2026-W41

Machine-readable: census totals, full corpus, crawler registry. Method: methodology.