Weekly report · 2011-W12

The state of AI crawling

Measured on 30,005 reachable domains for the week ending 2011-03-27. 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.

← 2011-W11 · 2011-W13 →

30,005

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	7.0%	2,094 of 30,009	new
CCBot	Common Crawl Foundation	archive	6.8%	2,042 of 30,009	new
Bytespider	ByteDance	training	6.4%	1,914 of 30,009	new
ClaudeBot	Anthropic	training	5.7%	1,707 of 30,009	new
Meta-ExternalAgent	Meta	training	4.6%	1,385 of 30,009	new
Amazonbot	Amazon	training	4.6%	1,371 of 30,009	new
Google-Extended	Google	training	4.5%	1,360 of 30,009	new
Applebot-Extended	Apple	training	4.5%	1,337 of 30,009	new
anthropic-ai	Anthropic	training	4.3%	1,300 of 30,009	new
omgilibot	Webz.io	training	4.2%	1,273 of 30,009	new
cohere-ai	Cohere	live retrieval	4.0%	1,198 of 30,009	new
Diffbot	Diffbot	training	4.0%	1,194 of 30,009	new
omgili	Webz.io	training	3.9%	1,160 of 30,009	new
SemrushBot-OCOB	Semrush	training	3.7%	1,097 of 30,009	new
PerplexityBot	Perplexity	answer index	3.5%	1,043 of 30,009	new
ChatGPT-User	OpenAI	live retrieval	3.5%	1,038 of 30,009	new
FacebookBot	Meta	training	3.2%	961 of 30,009	new
YouBot	You.com	answer index	2.9%	878 of 30,009	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	839 of 30,009	new
Timpibot	Timpi	training	2.7%	818 of 30,009	new
Scrapy	Zyte (open-source framework)	training	2.4%	731 of 30,009	new
AI2Bot	Allen Institute for AI	training	2.3%	683 of 30,009	new
OAI-SearchBot	OpenAI	answer index	2.1%	630 of 30,009	new
cohere-training-data-crawler	Cohere	training	2.0%	604 of 30,009	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	540 of 30,009	new
PanguBot	Huawei	training	1.7%	503 of 30,009	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	500 of 30,009	new
Claude-User	Anthropic	live retrieval	1.6%	479 of 30,009	new
Claude-SearchBot	Anthropic	answer index	1.5%	464 of 30,009	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	451 of 30,009	new
Perplexity-User	Perplexity	live retrieval	1.5%	450 of 30,009	new
MistralAI-User	Mistral AI	live retrieval	1.4%	432 of 30,009	new
Google-CloudVertexBot	Google	live retrieval	1.3%	397 of 30,009	new
GoogleOther	Google	training	1.2%	355 of 30,009	new
Meta-WebIndexer	Meta	answer index	1.2%	348 of 30,009	new
Applebot	Apple	answer index	1.1%	331 of 30,009	new
TikTokSpider	ByteDance	live retrieval	0.8%	246 of 30,009	new
Amzn-SearchBot	Amazon	answer index	0.7%	217 of 30,009	new
Amzn-User	Amazon	live retrieval	0.5%	152 of 30,009	new
MistralAI-Training	Mistral AI	training	0.4%	121 of 30,009	new
MistralAI-Index	Mistral AI	answer index	0.2%	73 of 30,009	new
facebookexternalhit	Meta	live retrieval	0.2%	52 of 30,009	new
Bingbot	Microsoft	answer index	0.1%	39 of 30,009	new
Googlebot-News	Google	answer index	0.1%	38 of 30,009	new
msnbot	Microsoft	answer index	0.1%	22 of 30,009	new
Meta-ExternalAds	Meta	training	0.1%	21 of 30,009	new
Googlebot	Google	answer index	0.1%	18 of 30,009	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	9 of 30,009	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, 2011-W12", 2011-03-27. https://crawlcensus.com/report/2011-W12

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