Weekly report · 2004-W51

The state of AI crawling

Measured on 30,469 reachable domains for the week ending 2004-12-19. 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.

← 2004-W50 · 2004-W52 →

30,469

domains measured

block an answer engine

20%

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%	2,174 of 30,467	new
CCBot	Common Crawl Foundation	archive	6.8%	2,068 of 30,467	new
Bytespider	ByteDance	training	6.5%	1,988 of 30,467	new
ClaudeBot	Anthropic	training	5.8%	1,773 of 30,467	new
Amazonbot	Amazon	training	4.8%	1,467 of 30,467	new
Applebot-Extended	Apple	training	4.8%	1,453 of 30,467	new
Meta-ExternalAgent	Meta	training	4.8%	1,452 of 30,467	new
Google-Extended	Google	training	4.7%	1,440 of 30,467	new
anthropic-ai	Anthropic	training	4.4%	1,350 of 30,467	new
omgilibot	Webz.io	training	4.4%	1,345 of 30,467	new
Diffbot	Diffbot	training	4.2%	1,276 of 30,467	new
cohere-ai	Cohere	live retrieval	4.1%	1,264 of 30,467	new
omgili	Webz.io	training	4.0%	1,233 of 30,467	new
SemrushBot-OCOB	Semrush	training	3.7%	1,124 of 30,467	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,039 of 30,467	new
PerplexityBot	Perplexity	answer index	3.4%	1,039 of 30,467	new
FacebookBot	Meta	training	3.2%	966 of 30,467	new
YouBot	You.com	answer index	3.0%	901 of 30,467	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	843 of 30,467	new
Timpibot	Timpi	training	2.7%	830 of 30,467	new
Scrapy	Zyte (open-source framework)	training	2.4%	727 of 30,467	new
AI2Bot	Allen Institute for AI	training	2.3%	705 of 30,467	new
OAI-SearchBot	OpenAI	answer index	2.1%	632 of 30,467	new
cohere-training-data-crawler	Cohere	training	2.0%	619 of 30,467	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	533 of 30,467	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	527 of 30,467	new
PanguBot	Huawei	training	1.7%	519 of 30,467	new
Claude-User	Anthropic	live retrieval	1.6%	501 of 30,467	new
Claude-SearchBot	Anthropic	answer index	1.6%	480 of 30,467	new
Google-CloudVertexBot	Google	live retrieval	1.6%	478 of 30,467	new
Perplexity-User	Perplexity	live retrieval	1.6%	477 of 30,467	new
MistralAI-User	Mistral AI	live retrieval	1.5%	468 of 30,467	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	454 of 30,467	new
GoogleOther	Google	training	1.4%	436 of 30,467	new
Meta-WebIndexer	Meta	answer index	1.2%	362 of 30,467	new
Applebot	Apple	answer index	1.2%	354 of 30,467	new
TikTokSpider	ByteDance	live retrieval	0.9%	261 of 30,467	new
Amzn-SearchBot	Amazon	answer index	0.8%	243 of 30,467	new
MistralAI-Training	Mistral AI	training	0.7%	206 of 30,467	new
Amzn-User	Amazon	live retrieval	0.6%	182 of 30,467	new
MistralAI-Index	Mistral AI	answer index	0.3%	93 of 30,467	new
facebookexternalhit	Meta	live retrieval	0.2%	51 of 30,467	new
Bingbot	Microsoft	answer index	0.1%	38 of 30,467	new
Googlebot-News	Google	answer index	0.1%	36 of 30,467	new
Meta-ExternalAds	Meta	training	0.1%	24 of 30,467	new
msnbot	Microsoft	answer index	0.1%	19 of 30,467	new
Googlebot	Google	answer index	0.0%	15 of 30,467	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,467	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, 2004-W51", 2004-12-19. https://crawlcensus.com/report/2004-W51

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