Weekly report · 2004-W39

The state of AI crawling

Measured on 30,495 reachable domains for the week ending 2004-09-26. 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-W38 · 2004-W40 →

30,495

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%	2,176 of 30,491	new
CCBot	Common Crawl Foundation	archive	6.8%	2,070 of 30,491	new
Bytespider	ByteDance	training	6.5%	1,991 of 30,491	new
ClaudeBot	Anthropic	training	5.8%	1,775 of 30,491	new
Amazonbot	Amazon	training	4.8%	1,469 of 30,491	new
Meta-ExternalAgent	Meta	training	4.8%	1,456 of 30,491	new
Applebot-Extended	Apple	training	4.8%	1,455 of 30,491	new
Google-Extended	Google	training	4.7%	1,442 of 30,491	new
anthropic-ai	Anthropic	training	4.4%	1,352 of 30,491	new
omgilibot	Webz.io	training	4.4%	1,347 of 30,491	new
Diffbot	Diffbot	training	4.2%	1,278 of 30,491	new
cohere-ai	Cohere	live retrieval	4.2%	1,266 of 30,491	new
omgili	Webz.io	training	4.1%	1,235 of 30,491	new
SemrushBot-OCOB	Semrush	training	3.7%	1,122 of 30,491	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,040 of 30,491	new
PerplexityBot	Perplexity	answer index	3.4%	1,039 of 30,491	new
FacebookBot	Meta	training	3.2%	966 of 30,491	new
YouBot	You.com	answer index	3.0%	901 of 30,491	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	842 of 30,491	new
Timpibot	Timpi	training	2.7%	830 of 30,491	new
Scrapy	Zyte (open-source framework)	training	2.4%	728 of 30,491	new
AI2Bot	Allen Institute for AI	training	2.3%	705 of 30,491	new
OAI-SearchBot	OpenAI	answer index	2.1%	632 of 30,491	new
cohere-training-data-crawler	Cohere	training	2.0%	619 of 30,491	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	534 of 30,491	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	526 of 30,491	new
PanguBot	Huawei	training	1.7%	518 of 30,491	new
Claude-User	Anthropic	live retrieval	1.6%	502 of 30,491	new
Claude-SearchBot	Anthropic	answer index	1.6%	480 of 30,491	new
Google-CloudVertexBot	Google	live retrieval	1.6%	480 of 30,491	new
Perplexity-User	Perplexity	live retrieval	1.6%	478 of 30,491	new
MistralAI-User	Mistral AI	live retrieval	1.5%	468 of 30,491	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	454 of 30,491	new
GoogleOther	Google	training	1.4%	439 of 30,491	new
Meta-WebIndexer	Meta	answer index	1.2%	363 of 30,491	new
Applebot	Apple	answer index	1.2%	354 of 30,491	new
TikTokSpider	ByteDance	live retrieval	0.9%	261 of 30,491	new
Amzn-SearchBot	Amazon	answer index	0.8%	243 of 30,491	new
MistralAI-Training	Mistral AI	training	0.7%	208 of 30,491	new
Amzn-User	Amazon	live retrieval	0.6%	182 of 30,491	new
MistralAI-Index	Mistral AI	answer index	0.3%	93 of 30,491	new
facebookexternalhit	Meta	live retrieval	0.2%	51 of 30,491	new
Bingbot	Microsoft	answer index	0.1%	38 of 30,491	new
Googlebot-News	Google	answer index	0.1%	37 of 30,491	new
Meta-ExternalAds	Meta	training	0.1%	24 of 30,491	new
msnbot	Microsoft	answer index	0.1%	19 of 30,491	new
Googlebot	Google	answer index	0.1%	16 of 30,491	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,491	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-W39", 2004-09-26. https://crawlcensus.com/report/2004-W39

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