Weekly report · 2011-W51

The state of AI crawling

Measured on 30,003 reachable domains for the week ending 2011-12-25. 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-W50 · 2011-W52 →

30,003

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	6.9%	2,060 of 30,001	new
CCBot	Common Crawl Foundation	archive	6.7%	2,018 of 30,001	new
Bytespider	ByteDance	training	6.3%	1,897 of 30,001	new
ClaudeBot	Anthropic	training	5.6%	1,669 of 30,001	new
Meta-ExternalAgent	Meta	training	4.5%	1,363 of 30,001	new
Amazonbot	Amazon	training	4.5%	1,353 of 30,001	new
Google-Extended	Google	training	4.4%	1,333 of 30,001	new
Applebot-Extended	Apple	training	4.3%	1,304 of 30,001	new
anthropic-ai	Anthropic	training	4.3%	1,281 of 30,001	new
omgilibot	Webz.io	training	4.2%	1,261 of 30,001	new
cohere-ai	Cohere	live retrieval	3.9%	1,177 of 30,001	new
Diffbot	Diffbot	training	3.9%	1,171 of 30,001	new
omgili	Webz.io	training	3.8%	1,148 of 30,001	new
SemrushBot-OCOB	Semrush	training	3.6%	1,089 of 30,001	new
PerplexityBot	Perplexity	answer index	3.5%	1,046 of 30,001	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,035 of 30,001	new
FacebookBot	Meta	training	3.2%	948 of 30,001	new
YouBot	You.com	answer index	2.9%	870 of 30,001	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	819 of 30,001	new
Timpibot	Timpi	training	2.7%	805 of 30,001	new
Scrapy	Zyte (open-source framework)	training	2.4%	721 of 30,001	new
AI2Bot	Allen Institute for AI	training	2.2%	663 of 30,001	new
OAI-SearchBot	OpenAI	answer index	2.1%	627 of 30,001	new
cohere-training-data-crawler	Cohere	training	2.0%	596 of 30,001	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	534 of 30,001	new
DuckAssistBot	DuckDuckGo	live retrieval	1.6%	495 of 30,001	new
PanguBot	Huawei	training	1.6%	487 of 30,001	new
Claude-User	Anthropic	live retrieval	1.6%	476 of 30,001	new
Claude-SearchBot	Anthropic	answer index	1.5%	465 of 30,001	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	445 of 30,001	new
Perplexity-User	Perplexity	live retrieval	1.5%	445 of 30,001	new
MistralAI-User	Mistral AI	live retrieval	1.4%	431 of 30,001	new
Google-CloudVertexBot	Google	live retrieval	1.3%	387 of 30,001	new
GoogleOther	Google	training	1.2%	351 of 30,001	new
Meta-WebIndexer	Meta	answer index	1.2%	346 of 30,001	new
Applebot	Apple	answer index	1.1%	333 of 30,001	new
TikTokSpider	ByteDance	live retrieval	0.8%	245 of 30,001	new
Amzn-SearchBot	Amazon	answer index	0.7%	218 of 30,001	new
Amzn-User	Amazon	live retrieval	0.5%	151 of 30,001	new
MistralAI-Training	Mistral AI	training	0.4%	112 of 30,001	new
MistralAI-Index	Mistral AI	answer index	0.2%	71 of 30,001	new
facebookexternalhit	Meta	live retrieval	0.2%	53 of 30,001	new
Bingbot	Microsoft	answer index	0.1%	39 of 30,001	new
Googlebot-News	Google	answer index	0.1%	37 of 30,001	new
Meta-ExternalAds	Meta	training	0.1%	22 of 30,001	new
msnbot	Microsoft	answer index	0.1%	21 of 30,001	new
Googlebot	Google	answer index	0.1%	17 of 30,001	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	9 of 30,001	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-W51", 2011-12-25. https://crawlcensus.com/report/2011-W51

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