Weekly report · 2009-W48

The state of AI crawling

Measured on 30,155 reachable domains for the week ending 2009-11-29. 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-W47 · 2009-W49 →

30,155

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%	2,127 of 30,145	new
CCBot	Common Crawl Foundation	archive	6.8%	2,055 of 30,145	new
Bytespider	ByteDance	training	6.4%	1,933 of 30,145	new
ClaudeBot	Anthropic	training	5.8%	1,734 of 30,145	new
Meta-ExternalAgent	Meta	training	4.7%	1,411 of 30,145	new
Amazonbot	Amazon	training	4.6%	1,395 of 30,145	new
Google-Extended	Google	training	4.6%	1,377 of 30,145	new
Applebot-Extended	Apple	training	4.5%	1,364 of 30,145	new
anthropic-ai	Anthropic	training	4.3%	1,309 of 30,145	new
omgilibot	Webz.io	training	4.2%	1,274 of 30,145	new
cohere-ai	Cohere	live retrieval	4.0%	1,214 of 30,145	new
Diffbot	Diffbot	training	4.0%	1,205 of 30,145	new
omgili	Webz.io	training	3.8%	1,159 of 30,145	new
SemrushBot-OCOB	Semrush	training	3.7%	1,115 of 30,145	new
ChatGPT-User	OpenAI	live retrieval	3.5%	1,044 of 30,145	new
PerplexityBot	Perplexity	answer index	3.5%	1,043 of 30,145	new
FacebookBot	Meta	training	3.2%	967 of 30,145	new
YouBot	You.com	answer index	2.9%	882 of 30,145	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	846 of 30,145	new
Timpibot	Timpi	training	2.7%	823 of 30,145	new
Scrapy	Zyte (open-source framework)	training	2.5%	740 of 30,145	new
AI2Bot	Allen Institute for AI	training	2.3%	694 of 30,145	new
OAI-SearchBot	OpenAI	answer index	2.1%	640 of 30,145	new
cohere-training-data-crawler	Cohere	training	2.0%	610 of 30,145	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	551 of 30,145	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	510 of 30,145	new
PanguBot	Huawei	training	1.7%	509 of 30,145	new
Claude-User	Anthropic	live retrieval	1.6%	487 of 30,145	new
Claude-SearchBot	Anthropic	answer index	1.6%	469 of 30,145	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	460 of 30,145	new
Perplexity-User	Perplexity	live retrieval	1.5%	458 of 30,145	new
MistralAI-User	Mistral AI	live retrieval	1.4%	437 of 30,145	new
Google-CloudVertexBot	Google	live retrieval	1.4%	413 of 30,145	new
GoogleOther	Google	training	1.2%	374 of 30,145	new
Meta-WebIndexer	Meta	answer index	1.2%	357 of 30,145	new
Applebot	Apple	answer index	1.1%	335 of 30,145	new
TikTokSpider	ByteDance	live retrieval	0.8%	251 of 30,145	new
Amzn-SearchBot	Amazon	answer index	0.7%	226 of 30,145	new
Amzn-User	Amazon	live retrieval	0.5%	160 of 30,145	new
MistralAI-Training	Mistral AI	training	0.4%	134 of 30,145	new
MistralAI-Index	Mistral AI	answer index	0.2%	75 of 30,145	new
facebookexternalhit	Meta	live retrieval	0.2%	52 of 30,145	new
Bingbot	Microsoft	answer index	0.1%	38 of 30,145	new
Googlebot-News	Google	answer index	0.1%	37 of 30,145	new
Meta-ExternalAds	Meta	training	0.1%	22 of 30,145	new
msnbot	Microsoft	answer index	0.1%	21 of 30,145	new
Googlebot	Google	answer index	0.1%	18 of 30,145	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	10 of 30,145	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-W48", 2009-11-29. https://crawlcensus.com/report/2009-W48

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