Weekly report · 2001-W42

The state of AI crawling

Measured on 30,005 reachable domains for the week ending 2001-10-21. 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-W41 · 2001-W43 →

30,005

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	9.4%	2,822 of 30,005	new
CCBot	Common Crawl Foundation	archive	9.2%	2,761 of 30,005	new
Bytespider	ByteDance	training	9.0%	2,695 of 30,005	new
ClaudeBot	Anthropic	training	8.2%	2,459 of 30,005	new
Meta-ExternalAgent	Meta	training	7.4%	2,215 of 30,005	new
Amazonbot	Amazon	training	7.3%	2,176 of 30,005	new
Applebot-Extended	Apple	training	7.2%	2,164 of 30,005	new
Google-Extended	Google	training	7.2%	2,149 of 30,005	new
anthropic-ai	Anthropic	training	6.9%	2,073 of 30,005	new
omgilibot	Webz.io	training	6.8%	2,048 of 30,005	new
Diffbot	Diffbot	training	6.7%	2,002 of 30,005	new
cohere-ai	Cohere	live retrieval	6.7%	1,999 of 30,005	new
omgili	Webz.io	training	6.5%	1,938 of 30,005	new
Google-CloudVertexBot	Google	live retrieval	4.1%	1,231 of 30,005	new
GoogleOther	Google	training	4.0%	1,192 of 30,005	new
SemrushBot-OCOB	Semrush	training	3.5%	1,056 of 30,005	new
PerplexityBot	Perplexity	answer index	3.4%	1,020 of 30,005	new
MistralAI-Training	Mistral AI	training	3.3%	995 of 30,005	new
ChatGPT-User	OpenAI	live retrieval	3.3%	990 of 30,005	new
FacebookBot	Meta	training	3.1%	926 of 30,005	new
YouBot	You.com	answer index	3.0%	888 of 30,005	new
Timpibot	Timpi	training	2.7%	821 of 30,005	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	817 of 30,005	new
Scrapy	Zyte (open-source framework)	training	2.4%	716 of 30,005	new
AI2Bot	Allen Institute for AI	training	2.3%	699 of 30,005	new
cohere-training-data-crawler	Cohere	training	2.1%	617 of 30,005	new
OAI-SearchBot	OpenAI	answer index	2.1%	616 of 30,005	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	553 of 30,005	new
PanguBot	Huawei	training	1.7%	508 of 30,005	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	503 of 30,005	new
Claude-User	Anthropic	live retrieval	1.7%	502 of 30,005	new
Perplexity-User	Perplexity	live retrieval	1.6%	479 of 30,005	new
Claude-SearchBot	Anthropic	answer index	1.6%	466 of 30,005	new
MistralAI-User	Mistral AI	live retrieval	1.5%	460 of 30,005	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	441 of 30,005	new
Meta-WebIndexer	Meta	answer index	1.3%	395 of 30,005	new
Applebot	Apple	answer index	1.2%	359 of 30,005	new
Amzn-SearchBot	Amazon	answer index	0.9%	259 of 30,005	new
TikTokSpider	ByteDance	live retrieval	0.8%	251 of 30,005	new
Amzn-User	Amazon	live retrieval	0.7%	207 of 30,005	new
MistralAI-Index	Mistral AI	answer index	0.4%	110 of 30,005	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,005	new
Googlebot-News	Google	answer index	0.1%	39 of 30,005	new
Meta-ExternalAds	Meta	training	0.1%	37 of 30,005	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,005	new
Googlebot	Google	answer index	0.1%	19 of 30,005	new
msnbot	Microsoft	answer index	0.1%	19 of 30,005	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	13 of 30,005	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-W42", 2001-10-21. https://crawlcensus.com/report/2001-W42

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