Weekly report · 2003-W52

The state of AI crawling

Measured on 30,430 reachable domains for the week ending 2003-12-28. 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.

← 2003-W51 · 2004-W01 →

30,430

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%	2,182 of 30,431	new
CCBot	Common Crawl Foundation	archive	6.8%	2,071 of 30,431	new
Bytespider	ByteDance	training	6.5%	1,992 of 30,431	new
ClaudeBot	Anthropic	training	5.8%	1,779 of 30,431	new
Amazonbot	Amazon	training	4.9%	1,489 of 30,431	new
Meta-ExternalAgent	Meta	training	4.8%	1,470 of 30,431	new
Applebot-Extended	Apple	training	4.8%	1,465 of 30,431	new
Google-Extended	Google	training	4.8%	1,450 of 30,431	new
anthropic-ai	Anthropic	training	4.4%	1,353 of 30,431	new
omgilibot	Webz.io	training	4.4%	1,351 of 30,431	new
Diffbot	Diffbot	training	4.2%	1,284 of 30,431	new
cohere-ai	Cohere	live retrieval	4.2%	1,270 of 30,431	new
omgili	Webz.io	training	4.1%	1,240 of 30,431	new
SemrushBot-OCOB	Semrush	training	3.7%	1,118 of 30,431	new
PerplexityBot	Perplexity	answer index	3.4%	1,035 of 30,431	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,029 of 30,431	new
FacebookBot	Meta	training	3.1%	955 of 30,431	new
YouBot	You.com	answer index	2.9%	897 of 30,431	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	838 of 30,431	new
Timpibot	Timpi	training	2.7%	823 of 30,431	new
Scrapy	Zyte (open-source framework)	training	2.4%	725 of 30,431	new
AI2Bot	Allen Institute for AI	training	2.3%	705 of 30,431	new
OAI-SearchBot	OpenAI	answer index	2.1%	624 of 30,431	new
cohere-training-data-crawler	Cohere	training	2.0%	616 of 30,431	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	529 of 30,431	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	522 of 30,431	new
PanguBot	Huawei	training	1.7%	512 of 30,431	new
Claude-User	Anthropic	live retrieval	1.7%	503 of 30,431	new
Google-CloudVertexBot	Google	live retrieval	1.6%	487 of 30,431	new
Perplexity-User	Perplexity	live retrieval	1.6%	480 of 30,431	new
Claude-SearchBot	Anthropic	answer index	1.6%	479 of 30,431	new
MistralAI-User	Mistral AI	live retrieval	1.5%	468 of 30,431	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	451 of 30,431	new
GoogleOther	Google	training	1.5%	449 of 30,431	new
Meta-WebIndexer	Meta	answer index	1.2%	363 of 30,431	new
Applebot	Apple	answer index	1.2%	355 of 30,431	new
TikTokSpider	ByteDance	live retrieval	0.9%	259 of 30,431	new
Amzn-SearchBot	Amazon	answer index	0.8%	246 of 30,431	new
MistralAI-Training	Mistral AI	training	0.8%	229 of 30,431	new
Amzn-User	Amazon	live retrieval	0.6%	184 of 30,431	new
MistralAI-Index	Mistral AI	answer index	0.3%	94 of 30,431	new
facebookexternalhit	Meta	live retrieval	0.2%	49 of 30,431	new
Googlebot-News	Google	answer index	0.1%	37 of 30,431	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,431	new
Meta-ExternalAds	Meta	training	0.1%	24 of 30,431	new
msnbot	Microsoft	answer index	0.1%	18 of 30,431	new
Googlebot	Google	answer index	0.1%	17 of 30,431	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,431	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-W52", 2003-12-28. https://crawlcensus.com/report/2003-W52

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