Weekly report · 2011-W20

The state of AI crawling

Measured on 30,015 reachable domains for the week ending 2011-05-22. 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.

← 2011-W19  ·  2011-W21 →

30,015
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 7.0% 2,089 of 30,005 new
CCBot Common Crawl Foundation archive 6.8% 2,041 of 30,005 new
Bytespider ByteDance training 6.4% 1,915 of 30,005 new
ClaudeBot Anthropic training 5.7% 1,699 of 30,005 new
Meta-ExternalAgent Meta training 4.6% 1,382 of 30,005 new
Amazonbot Amazon training 4.6% 1,369 of 30,005 new
Google-Extended Google training 4.5% 1,358 of 30,005 new
Applebot-Extended Apple training 4.4% 1,331 of 30,005 new
anthropic-ai Anthropic training 4.3% 1,297 of 30,005 new
omgilibot Webz.io training 4.2% 1,273 of 30,005 new
cohere-ai Cohere live retrieval 4.0% 1,196 of 30,005 new
Diffbot Diffbot training 4.0% 1,191 of 30,005 new
omgili Webz.io training 3.9% 1,159 of 30,005 new
SemrushBot-OCOB Semrush training 3.7% 1,096 of 30,005 new
PerplexityBot Perplexity answer index 3.5% 1,043 of 30,005 new
ChatGPT-User OpenAI live retrieval 3.5% 1,037 of 30,005 new
FacebookBot Meta training 3.2% 962 of 30,005 new
YouBot You.com answer index 2.9% 879 of 30,005 new
ImagesiftBot ImageSift (Hive) training 2.8% 839 of 30,005 new
Timpibot Timpi training 2.7% 817 of 30,005 new
Scrapy Zyte (open-source framework) training 2.4% 731 of 30,005 new
AI2Bot Allen Institute for AI training 2.3% 681 of 30,005 new
OAI-SearchBot OpenAI answer index 2.1% 631 of 30,005 new
cohere-training-data-crawler Cohere training 2.0% 602 of 30,005 new
Meta-ExternalFetcher Meta live retrieval 1.8% 538 of 30,005 new
PanguBot Huawei training 1.7% 502 of 30,005 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 500 of 30,005 new
Claude-User Anthropic live retrieval 1.6% 477 of 30,005 new
Claude-SearchBot Anthropic answer index 1.5% 464 of 30,005 new
Kangaroo Bot Kangaroo LLM training 1.5% 451 of 30,005 new
Perplexity-User Perplexity live retrieval 1.5% 448 of 30,005 new
MistralAI-User Mistral AI live retrieval 1.4% 431 of 30,005 new
Google-CloudVertexBot Google live retrieval 1.3% 396 of 30,005 new
GoogleOther Google training 1.2% 354 of 30,005 new
Meta-WebIndexer Meta answer index 1.2% 348 of 30,005 new
Applebot Apple answer index 1.1% 330 of 30,005 new
TikTokSpider ByteDance live retrieval 0.8% 247 of 30,005 new
Amzn-SearchBot Amazon answer index 0.7% 216 of 30,005 new
Amzn-User Amazon live retrieval 0.5% 150 of 30,005 new
MistralAI-Training Mistral AI training 0.4% 118 of 30,005 new
MistralAI-Index Mistral AI answer index 0.2% 73 of 30,005 new
facebookexternalhit Meta live retrieval 0.2% 52 of 30,005 new
Bingbot Microsoft answer index 0.1% 39 of 30,005 new
Googlebot-News Google answer index 0.1% 38 of 30,005 new
Meta-ExternalAds Meta training 0.1% 22 of 30,005 new
msnbot Microsoft answer index 0.1% 22 of 30,005 new
Googlebot Google answer index 0.1% 18 of 30,005 new
OAI-AdsBot OpenAI live retrieval 0.0% 9 of 30,005 new

Trend share of measured sites

% of sites20151050% of sites08-2209-1009-30block 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=443)16.9%.de (n=814)16.1%.fr (n=326)14.7%.jp (n=405)8.9%.com (n=14733)6.8%.br (n=358)5.9%.org (n=1666)5.5%.net (n=1303)4%.ru (n=1162)3.2%.in (n=314)2.9%.edu (n=472)2.3%.io (n=659)2%

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 0 total

No crawler policy changes were recorded in this week.

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, 2011-W20", 2011-05-22. https://crawlcensus.com/report/2011-W20

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