Weekly report · 2001-W51

The state of AI crawling

Measured on 30,060 reachable domains for the week ending 2001-12-23. 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.

← 2001-W50 · 2001-W52 →

30,060

domains measured

block an answer engine

19%

refuse AI agents at the edge

15%

publish an llms.txt

Block rate by crawler with change on the previous week

Crawler	Operator	Content used for	Block rate	Sites	Week on week
GPTBot	OpenAI	training	8.4%	2,531 of 30,058	new
CCBot	Common Crawl Foundation	archive	8.2%	2,457 of 30,058	new
Bytespider	ByteDance	training	7.9%	2,384 of 30,058	new
ClaudeBot	Anthropic	training	7.1%	2,149 of 30,058	new
Meta-ExternalAgent	Meta	training	6.3%	1,891 of 30,058	new
Applebot-Extended	Apple	training	6.2%	1,857 of 30,058	new
Amazonbot	Amazon	training	6.2%	1,855 of 30,058	new
Google-Extended	Google	training	6.2%	1,849 of 30,058	new
anthropic-ai	Anthropic	training	5.9%	1,770 of 30,058	new
omgilibot	Webz.io	training	5.8%	1,745 of 30,058	new
Diffbot	Diffbot	training	5.7%	1,699 of 30,058	new
cohere-ai	Cohere	live retrieval	5.6%	1,683 of 30,058	new
omgili	Webz.io	training	5.4%	1,635 of 30,058	new
SemrushBot-OCOB	Semrush	training	3.5%	1,049 of 30,058	new
PerplexityBot	Perplexity	answer index	3.4%	1,027 of 30,058	new
ChatGPT-User	OpenAI	live retrieval	3.3%	1,002 of 30,058	new
FacebookBot	Meta	training	3.1%	936 of 30,058	new
Google-CloudVertexBot	Google	live retrieval	3.0%	914 of 30,058	new
YouBot	You.com	answer index	3.0%	896 of 30,058	new
GoogleOther	Google	training	2.9%	875 of 30,058	new
Timpibot	Timpi	training	2.7%	826 of 30,058	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	818 of 30,058	new
Scrapy	Zyte (open-source framework)	training	2.4%	725 of 30,058	new
AI2Bot	Allen Institute for AI	training	2.3%	695 of 30,058	new
MistralAI-Training	Mistral AI	training	2.2%	672 of 30,058	new
OAI-SearchBot	OpenAI	answer index	2.1%	617 of 30,058	new
cohere-training-data-crawler	Cohere	training	2.0%	614 of 30,058	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	546 of 30,058	new
PanguBot	Huawei	training	1.7%	515 of 30,058	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	508 of 30,058	new
Claude-User	Anthropic	live retrieval	1.6%	493 of 30,058	new
Perplexity-User	Perplexity	live retrieval	1.6%	471 of 30,058	new
Claude-SearchBot	Anthropic	answer index	1.5%	460 of 30,058	new
MistralAI-User	Mistral AI	live retrieval	1.5%	455 of 30,058	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	446 of 30,058	new
Meta-WebIndexer	Meta	answer index	1.3%	385 of 30,058	new
Applebot	Apple	answer index	1.2%	361 of 30,058	new
Amzn-SearchBot	Amazon	answer index	0.9%	256 of 30,058	new
TikTokSpider	ByteDance	live retrieval	0.8%	249 of 30,058	new
Amzn-User	Amazon	live retrieval	0.7%	202 of 30,058	new
MistralAI-Index	Mistral AI	answer index	0.4%	107 of 30,058	new
facebookexternalhit	Meta	live retrieval	0.2%	58 of 30,058	new
Googlebot-News	Google	answer index	0.1%	38 of 30,058	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,058	new
Meta-ExternalAds	Meta	training	0.1%	34 of 30,058	new
msnbot	Microsoft	answer index	0.1%	19 of 30,058	new
Googlebot	Google	answer index	0.1%	18 of 30,058	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,058	new

Trend share of measured sites

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

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, 2001-W51", 2001-12-23. https://crawlcensus.com/report/2001-W51

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