Weekly report · 2003-W51

The state of AI crawling

Measured on 30,427 reachable domains for the week ending 2003-12-21. 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.

← 2003-W50 · 2003-W52 →

30,427

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	7.2%	2,183 of 30,427	new
CCBot	Common Crawl Foundation	archive	6.8%	2,071 of 30,427	new
Bytespider	ByteDance	training	6.6%	1,993 of 30,427	new
ClaudeBot	Anthropic	training	5.8%	1,779 of 30,427	new
Amazonbot	Amazon	training	4.9%	1,488 of 30,427	new
Meta-ExternalAgent	Meta	training	4.8%	1,468 of 30,427	new
Applebot-Extended	Apple	training	4.8%	1,465 of 30,427	new
Google-Extended	Google	training	4.8%	1,451 of 30,427	new
anthropic-ai	Anthropic	training	4.4%	1,353 of 30,427	new
omgilibot	Webz.io	training	4.4%	1,351 of 30,427	new
Diffbot	Diffbot	training	4.2%	1,284 of 30,427	new
cohere-ai	Cohere	live retrieval	4.2%	1,270 of 30,427	new
omgili	Webz.io	training	4.1%	1,240 of 30,427	new
SemrushBot-OCOB	Semrush	training	3.7%	1,120 of 30,427	new
PerplexityBot	Perplexity	answer index	3.4%	1,035 of 30,427	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,028 of 30,427	new
FacebookBot	Meta	training	3.1%	952 of 30,427	new
YouBot	You.com	answer index	3.0%	898 of 30,427	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	838 of 30,427	new
Timpibot	Timpi	training	2.7%	823 of 30,427	new
Scrapy	Zyte (open-source framework)	training	2.4%	726 of 30,427	new
AI2Bot	Allen Institute for AI	training	2.3%	706 of 30,427	new
OAI-SearchBot	OpenAI	answer index	2.0%	623 of 30,427	new
cohere-training-data-crawler	Cohere	training	2.0%	617 of 30,427	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	528 of 30,427	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	524 of 30,427	new
PanguBot	Huawei	training	1.7%	513 of 30,427	new
Claude-User	Anthropic	live retrieval	1.7%	503 of 30,427	new
Google-CloudVertexBot	Google	live retrieval	1.6%	489 of 30,427	new
Claude-SearchBot	Anthropic	answer index	1.6%	479 of 30,427	new
Perplexity-User	Perplexity	live retrieval	1.6%	479 of 30,427	new
MistralAI-User	Mistral AI	live retrieval	1.5%	469 of 30,427	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	452 of 30,427	new
GoogleOther	Google	training	1.5%	450 of 30,427	new
Meta-WebIndexer	Meta	answer index	1.2%	362 of 30,427	new
Applebot	Apple	answer index	1.2%	354 of 30,427	new
TikTokSpider	ByteDance	live retrieval	0.9%	260 of 30,427	new
Amzn-SearchBot	Amazon	answer index	0.8%	247 of 30,427	new
MistralAI-Training	Mistral AI	training	0.8%	230 of 30,427	new
Amzn-User	Amazon	live retrieval	0.6%	185 of 30,427	new
MistralAI-Index	Mistral AI	answer index	0.3%	94 of 30,427	new
facebookexternalhit	Meta	live retrieval	0.2%	49 of 30,427	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,427	new
Googlebot-News	Google	answer index	0.1%	36 of 30,427	new
Meta-ExternalAds	Meta	training	0.1%	24 of 30,427	new
msnbot	Microsoft	answer index	0.1%	18 of 30,427	new
Googlebot	Google	answer index	0.1%	17 of 30,427	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,427	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, 2003-W51", 2003-12-21. https://crawlcensus.com/report/2003-W51

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