Weekly report · 2001-W52

The state of AI crawling

Measured on 30,060 reachable domains for the week ending 2001-12-30. 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-W51 · 2002-W01 →

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%	2,523 of 30,059	new
CCBot	Common Crawl Foundation	archive	8.1%	2,449 of 30,059	new
Bytespider	ByteDance	training	7.9%	2,375 of 30,059	new
ClaudeBot	Anthropic	training	7.1%	2,140 of 30,059	new
Meta-ExternalAgent	Meta	training	6.3%	1,883 of 30,059	new
Applebot-Extended	Apple	training	6.2%	1,849 of 30,059	new
Amazonbot	Amazon	training	6.1%	1,845 of 30,059	new
Google-Extended	Google	training	6.1%	1,840 of 30,059	new
anthropic-ai	Anthropic	training	5.9%	1,762 of 30,059	new
omgilibot	Webz.io	training	5.8%	1,736 of 30,059	new
Diffbot	Diffbot	training	5.6%	1,691 of 30,059	new
cohere-ai	Cohere	live retrieval	5.6%	1,676 of 30,059	new
omgili	Webz.io	training	5.4%	1,626 of 30,059	new
SemrushBot-OCOB	Semrush	training	3.5%	1,049 of 30,059	new
PerplexityBot	Perplexity	answer index	3.4%	1,026 of 30,059	new
ChatGPT-User	OpenAI	live retrieval	3.3%	1,001 of 30,059	new
FacebookBot	Meta	training	3.1%	934 of 30,059	new
Google-CloudVertexBot	Google	live retrieval	3.0%	907 of 30,059	new
YouBot	You.com	answer index	3.0%	895 of 30,059	new
GoogleOther	Google	training	2.9%	868 of 30,059	new
Timpibot	Timpi	training	2.7%	825 of 30,059	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	817 of 30,059	new
Scrapy	Zyte (open-source framework)	training	2.4%	725 of 30,059	new
AI2Bot	Allen Institute for AI	training	2.3%	695 of 30,059	new
MistralAI-Training	Mistral AI	training	2.2%	665 of 30,059	new
OAI-SearchBot	OpenAI	answer index	2.1%	617 of 30,059	new
cohere-training-data-crawler	Cohere	training	2.0%	613 of 30,059	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	544 of 30,059	new
PanguBot	Huawei	training	1.7%	515 of 30,059	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	507 of 30,059	new
Claude-User	Anthropic	live retrieval	1.6%	492 of 30,059	new
Perplexity-User	Perplexity	live retrieval	1.6%	470 of 30,059	new
Claude-SearchBot	Anthropic	answer index	1.5%	460 of 30,059	new
MistralAI-User	Mistral AI	live retrieval	1.5%	454 of 30,059	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	446 of 30,059	new
Meta-WebIndexer	Meta	answer index	1.3%	384 of 30,059	new
Applebot	Apple	answer index	1.2%	360 of 30,059	new
Amzn-SearchBot	Amazon	answer index	0.8%	255 of 30,059	new
TikTokSpider	ByteDance	live retrieval	0.8%	249 of 30,059	new
Amzn-User	Amazon	live retrieval	0.7%	201 of 30,059	new
MistralAI-Index	Mistral AI	answer index	0.4%	106 of 30,059	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,059	new
Googlebot-News	Google	answer index	0.1%	38 of 30,059	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,059	new
Meta-ExternalAds	Meta	training	0.1%	33 of 30,059	new
msnbot	Microsoft	answer index	0.1%	19 of 30,059	new
Googlebot	Google	answer index	0.1%	18 of 30,059	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,059	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-W52", 2001-12-30. https://crawlcensus.com/report/2001-W52

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