Weekly report · 2009-W40

The state of AI crawling

Measured on 30,170 reachable domains for the week ending 2009-10-04. 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.

← 2009-W39 · 2009-W41 →

30,170

domains measured

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

Crawler	Operator	Content used for	Block rate	Sites	Week on week
GPTBot	OpenAI	training	7.1%	2,132 of 30,168	new
CCBot	Common Crawl Foundation	archive	6.8%	2,062 of 30,168	new
Bytespider	ByteDance	training	6.4%	1,940 of 30,168	new
ClaudeBot	Anthropic	training	5.8%	1,739 of 30,168	new
Meta-ExternalAgent	Meta	training	4.7%	1,415 of 30,168	new
Amazonbot	Amazon	training	4.6%	1,401 of 30,168	new
Google-Extended	Google	training	4.6%	1,382 of 30,168	new
Applebot-Extended	Apple	training	4.5%	1,368 of 30,168	new
anthropic-ai	Anthropic	training	4.3%	1,312 of 30,168	new
omgilibot	Webz.io	training	4.2%	1,279 of 30,168	new
cohere-ai	Cohere	live retrieval	4.0%	1,218 of 30,168	new
Diffbot	Diffbot	training	4.0%	1,211 of 30,168	new
omgili	Webz.io	training	3.9%	1,164 of 30,168	new
SemrushBot-OCOB	Semrush	training	3.7%	1,120 of 30,168	new
ChatGPT-User	OpenAI	live retrieval	3.5%	1,048 of 30,168	new
PerplexityBot	Perplexity	answer index	3.5%	1,048 of 30,168	new
FacebookBot	Meta	training	3.2%	971 of 30,168	new
YouBot	You.com	answer index	2.9%	886 of 30,168	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	849 of 30,168	new
Timpibot	Timpi	training	2.7%	826 of 30,168	new
Scrapy	Zyte (open-source framework)	training	2.5%	744 of 30,168	new
AI2Bot	Allen Institute for AI	training	2.3%	696 of 30,168	new
OAI-SearchBot	OpenAI	answer index	2.1%	641 of 30,168	new
cohere-training-data-crawler	Cohere	training	2.0%	612 of 30,168	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	553 of 30,168	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	512 of 30,168	new
PanguBot	Huawei	training	1.7%	511 of 30,168	new
Claude-User	Anthropic	live retrieval	1.6%	489 of 30,168	new
Claude-SearchBot	Anthropic	answer index	1.6%	471 of 30,168	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	461 of 30,168	new
Perplexity-User	Perplexity	live retrieval	1.5%	460 of 30,168	new
MistralAI-User	Mistral AI	live retrieval	1.5%	439 of 30,168	new
Google-CloudVertexBot	Google	live retrieval	1.4%	415 of 30,168	new
GoogleOther	Google	training	1.2%	375 of 30,168	new
Meta-WebIndexer	Meta	answer index	1.2%	357 of 30,168	new
Applebot	Apple	answer index	1.1%	337 of 30,168	new
TikTokSpider	ByteDance	live retrieval	0.8%	251 of 30,168	new
Amzn-SearchBot	Amazon	answer index	0.7%	226 of 30,168	new
Amzn-User	Amazon	live retrieval	0.5%	160 of 30,168	new
MistralAI-Training	Mistral AI	training	0.4%	134 of 30,168	new
MistralAI-Index	Mistral AI	answer index	0.2%	75 of 30,168	new
facebookexternalhit	Meta	live retrieval	0.2%	52 of 30,168	new
Bingbot	Microsoft	answer index	0.1%	39 of 30,168	new
Googlebot-News	Google	answer index	0.1%	37 of 30,168	new
Meta-ExternalAds	Meta	training	0.1%	22 of 30,168	new
msnbot	Microsoft	answer index	0.1%	21 of 30,168	new
Googlebot	Google	answer index	0.1%	18 of 30,168	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	10 of 30,168	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, 2009-W40", 2009-10-04. https://crawlcensus.com/report/2009-W40

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