Weekly report · 2008-W52

The state of AI crawling

Measured on 30,185 reachable domains for the week ending 2008-12-28. 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.

← 2008-W51 · 2009-W01 →

30,185

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	7.1%	2,144 of 30,184	new
CCBot	Common Crawl Foundation	archive	6.8%	2,066 of 30,184	new
Bytespider	ByteDance	training	6.5%	1,948 of 30,184	new
ClaudeBot	Anthropic	training	5.8%	1,743 of 30,184	new
Meta-ExternalAgent	Meta	training	4.7%	1,423 of 30,184	new
Amazonbot	Amazon	training	4.7%	1,409 of 30,184	new
Google-Extended	Google	training	4.6%	1,390 of 30,184	new
Applebot-Extended	Apple	training	4.6%	1,376 of 30,184	new
anthropic-ai	Anthropic	training	4.4%	1,319 of 30,184	new
omgilibot	Webz.io	training	4.3%	1,287 of 30,184	new
cohere-ai	Cohere	live retrieval	4.1%	1,224 of 30,184	new
Diffbot	Diffbot	training	4.0%	1,221 of 30,184	new
omgili	Webz.io	training	3.9%	1,171 of 30,184	new
SemrushBot-OCOB	Semrush	training	3.7%	1,125 of 30,184	new
ChatGPT-User	OpenAI	live retrieval	3.5%	1,051 of 30,184	new
PerplexityBot	Perplexity	answer index	3.5%	1,049 of 30,184	new
FacebookBot	Meta	training	3.2%	978 of 30,184	new
YouBot	You.com	answer index	2.9%	889 of 30,184	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	854 of 30,184	new
Timpibot	Timpi	training	2.7%	829 of 30,184	new
Scrapy	Zyte (open-source framework)	training	2.5%	744 of 30,184	new
AI2Bot	Allen Institute for AI	training	2.3%	697 of 30,184	new
OAI-SearchBot	OpenAI	answer index	2.1%	642 of 30,184	new
cohere-training-data-crawler	Cohere	training	2.0%	614 of 30,184	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	557 of 30,184	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	513 of 30,184	new
PanguBot	Huawei	training	1.7%	513 of 30,184	new
Claude-User	Anthropic	live retrieval	1.6%	490 of 30,184	new
Claude-SearchBot	Anthropic	answer index	1.6%	473 of 30,184	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	463 of 30,184	new
Perplexity-User	Perplexity	live retrieval	1.5%	461 of 30,184	new
MistralAI-User	Mistral AI	live retrieval	1.5%	439 of 30,184	new
Google-CloudVertexBot	Google	live retrieval	1.4%	421 of 30,184	new
GoogleOther	Google	training	1.3%	382 of 30,184	new
Meta-WebIndexer	Meta	answer index	1.2%	358 of 30,184	new
Applebot	Apple	answer index	1.1%	340 of 30,184	new
TikTokSpider	ByteDance	live retrieval	0.8%	253 of 30,184	new
Amzn-SearchBot	Amazon	answer index	0.7%	226 of 30,184	new
Amzn-User	Amazon	live retrieval	0.5%	160 of 30,184	new
MistralAI-Training	Mistral AI	training	0.5%	138 of 30,184	new
MistralAI-Index	Mistral AI	answer index	0.2%	75 of 30,184	new
facebookexternalhit	Meta	live retrieval	0.2%	53 of 30,184	new
Bingbot	Microsoft	answer index	0.1%	40 of 30,184	new
Googlebot-News	Google	answer index	0.1%	35 of 30,184	new
Meta-ExternalAds	Meta	training	0.1%	22 of 30,184	new
msnbot	Microsoft	answer index	0.1%	21 of 30,184	new
Googlebot	Google	answer index	0.1%	16 of 30,184	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	10 of 30,184	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, 2008-W52", 2008-12-28. https://crawlcensus.com/report/2008-W52

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