Weekly report · 2001-W49

The state of AI crawling

Measured on 30,022 reachable domains for the week ending 2001-12-09. 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-W48 · 2001-W50 →

30,022

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	9.0%	2,692 of 30,020	new
CCBot	Common Crawl Foundation	archive	8.7%	2,621 of 30,020	new
Bytespider	ByteDance	training	8.5%	2,555 of 30,020	new
ClaudeBot	Anthropic	training	7.7%	2,319 of 30,020	new
Meta-ExternalAgent	Meta	training	6.9%	2,066 of 30,020	new
Amazonbot	Amazon	training	6.8%	2,032 of 30,020	new
Applebot-Extended	Apple	training	6.7%	2,024 of 30,020	new
Google-Extended	Google	training	6.7%	2,009 of 30,020	new
anthropic-ai	Anthropic	training	6.5%	1,937 of 30,020	new
omgilibot	Webz.io	training	6.3%	1,905 of 30,020	new
Diffbot	Diffbot	training	6.2%	1,860 of 30,020	new
cohere-ai	Cohere	live retrieval	6.2%	1,851 of 30,020	new
omgili	Webz.io	training	6.0%	1,795 of 30,020	new
Google-CloudVertexBot	Google	live retrieval	3.6%	1,079 of 30,020	new
SemrushBot-OCOB	Semrush	training	3.5%	1,054 of 30,020	new
GoogleOther	Google	training	3.5%	1,040 of 30,020	new
PerplexityBot	Perplexity	answer index	3.4%	1,026 of 30,020	new
ChatGPT-User	OpenAI	live retrieval	3.3%	997 of 30,020	new
FacebookBot	Meta	training	3.1%	932 of 30,020	new
YouBot	You.com	answer index	3.0%	893 of 30,020	new
MistralAI-Training	Mistral AI	training	2.8%	839 of 30,020	new
Timpibot	Timpi	training	2.7%	822 of 30,020	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	817 of 30,020	new
Scrapy	Zyte (open-source framework)	training	2.4%	722 of 30,020	new
AI2Bot	Allen Institute for AI	training	2.3%	700 of 30,020	new
OAI-SearchBot	OpenAI	answer index	2.1%	618 of 30,020	new
cohere-training-data-crawler	Cohere	training	2.0%	612 of 30,020	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	550 of 30,020	new
PanguBot	Huawei	training	1.7%	512 of 30,020	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	507 of 30,020	new
Claude-User	Anthropic	live retrieval	1.7%	497 of 30,020	new
Perplexity-User	Perplexity	live retrieval	1.6%	478 of 30,020	new
Claude-SearchBot	Anthropic	answer index	1.5%	461 of 30,020	new
MistralAI-User	Mistral AI	live retrieval	1.5%	457 of 30,020	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	442 of 30,020	new
Meta-WebIndexer	Meta	answer index	1.3%	390 of 30,020	new
Applebot	Apple	answer index	1.2%	360 of 30,020	new
Amzn-SearchBot	Amazon	answer index	0.9%	256 of 30,020	new
TikTokSpider	ByteDance	live retrieval	0.8%	250 of 30,020	new
Amzn-User	Amazon	live retrieval	0.7%	205 of 30,020	new
MistralAI-Index	Mistral AI	answer index	0.3%	105 of 30,020	new
facebookexternalhit	Meta	live retrieval	0.2%	56 of 30,020	new
Googlebot-News	Google	answer index	0.1%	39 of 30,020	new
Bingbot	Microsoft	answer index	0.1%	37 of 30,020	new
Meta-ExternalAds	Meta	training	0.1%	36 of 30,020	new
Googlebot	Google	answer index	0.1%	19 of 30,020	new
msnbot	Microsoft	answer index	0.1%	19 of 30,020	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	11 of 30,020	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-W49", 2001-12-09. https://crawlcensus.com/report/2001-W49

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