Weekly report · 2005-W38

The state of AI crawling

Measured on 30,250 reachable domains for the week ending 2005-09-25. 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.

← 2005-W37 · 2005-W39 →

30,250

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%	2,152 of 30,238	new
CCBot	Common Crawl Foundation	archive	6.7%	2,039 of 30,238	new
Bytespider	ByteDance	training	6.5%	1,964 of 30,238	new
ClaudeBot	Anthropic	training	5.8%	1,749 of 30,238	new
Amazonbot	Amazon	training	4.8%	1,440 of 30,238	new
Meta-ExternalAgent	Meta	training	4.7%	1,429 of 30,238	new
Applebot-Extended	Apple	training	4.7%	1,422 of 30,238	new
Google-Extended	Google	training	4.7%	1,413 of 30,238	new
anthropic-ai	Anthropic	training	4.4%	1,328 of 30,238	new
omgilibot	Webz.io	training	4.4%	1,328 of 30,238	new
Diffbot	Diffbot	training	4.2%	1,257 of 30,238	new
cohere-ai	Cohere	live retrieval	4.1%	1,246 of 30,238	new
omgili	Webz.io	training	4.0%	1,217 of 30,238	new
SemrushBot-OCOB	Semrush	training	3.7%	1,123 of 30,238	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,037 of 30,238	new
PerplexityBot	Perplexity	answer index	3.4%	1,029 of 30,238	new
FacebookBot	Meta	training	3.2%	965 of 30,238	new
YouBot	You.com	answer index	3.0%	895 of 30,238	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	840 of 30,238	new
Timpibot	Timpi	training	2.7%	827 of 30,238	new
Scrapy	Zyte (open-source framework)	training	2.4%	726 of 30,238	new
AI2Bot	Allen Institute for AI	training	2.3%	699 of 30,238	new
OAI-SearchBot	OpenAI	answer index	2.1%	624 of 30,238	new
cohere-training-data-crawler	Cohere	training	2.0%	613 of 30,238	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	525 of 30,238	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	520 of 30,238	new
PanguBot	Huawei	training	1.7%	515 of 30,238	new
Claude-User	Anthropic	live retrieval	1.6%	493 of 30,238	new
Claude-SearchBot	Anthropic	answer index	1.6%	471 of 30,238	new
Perplexity-User	Perplexity	live retrieval	1.5%	467 of 30,238	new
MistralAI-User	Mistral AI	live retrieval	1.5%	457 of 30,238	new
Google-CloudVertexBot	Google	live retrieval	1.5%	456 of 30,238	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	452 of 30,238	new
GoogleOther	Google	training	1.4%	418 of 30,238	new
Meta-WebIndexer	Meta	answer index	1.2%	357 of 30,238	new
Applebot	Apple	answer index	1.2%	350 of 30,238	new
TikTokSpider	ByteDance	live retrieval	0.9%	258 of 30,238	new
Amzn-SearchBot	Amazon	answer index	0.8%	238 of 30,238	new
MistralAI-Training	Mistral AI	training	0.6%	189 of 30,238	new
Amzn-User	Amazon	live retrieval	0.6%	177 of 30,238	new
MistralAI-Index	Mistral AI	answer index	0.3%	91 of 30,238	new
facebookexternalhit	Meta	live retrieval	0.2%	54 of 30,238	new
Bingbot	Microsoft	answer index	0.1%	41 of 30,238	new
Googlebot-News	Google	answer index	0.1%	35 of 30,238	new
Meta-ExternalAds	Meta	training	0.1%	23 of 30,238	new
msnbot	Microsoft	answer index	0.1%	19 of 30,238	new
Googlebot	Google	answer index	0.0%	15 of 30,238	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,238	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, 2005-W38", 2005-09-25. https://crawlcensus.com/report/2005-W38

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