Weekly report · 2003-W39

The state of AI crawling

Measured on 30,419 reachable domains for the week ending 2003-09-28. 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-W38 · 2003-W40 →

30,419

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%	2,191 of 30,414	new
CCBot	Common Crawl Foundation	archive	6.8%	2,080 of 30,414	new
Bytespider	ByteDance	training	6.6%	1,999 of 30,414	new
ClaudeBot	Anthropic	training	5.9%	1,785 of 30,414	new
Amazonbot	Amazon	training	4.9%	1,495 of 30,414	new
Applebot-Extended	Apple	training	4.8%	1,475 of 30,414	new
Meta-ExternalAgent	Meta	training	4.8%	1,473 of 30,414	new
Google-Extended	Google	training	4.8%	1,459 of 30,414	new
anthropic-ai	Anthropic	training	4.5%	1,364 of 30,414	new
omgilibot	Webz.io	training	4.5%	1,358 of 30,414	new
Diffbot	Diffbot	training	4.3%	1,293 of 30,414	new
cohere-ai	Cohere	live retrieval	4.2%	1,279 of 30,414	new
omgili	Webz.io	training	4.1%	1,246 of 30,414	new
SemrushBot-OCOB	Semrush	training	3.7%	1,118 of 30,414	new
PerplexityBot	Perplexity	answer index	3.4%	1,037 of 30,414	new
ChatGPT-User	OpenAI	live retrieval	3.4%	1,029 of 30,414	new
FacebookBot	Meta	training	3.1%	951 of 30,414	new
YouBot	You.com	answer index	2.9%	897 of 30,414	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	837 of 30,414	new
Timpibot	Timpi	training	2.7%	822 of 30,414	new
Scrapy	Zyte (open-source framework)	training	2.4%	726 of 30,414	new
AI2Bot	Allen Institute for AI	training	2.3%	706 of 30,414	new
OAI-SearchBot	OpenAI	answer index	2.1%	625 of 30,414	new
cohere-training-data-crawler	Cohere	training	2.0%	618 of 30,414	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	528 of 30,414	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	522 of 30,414	new
PanguBot	Huawei	training	1.7%	515 of 30,414	new
Claude-User	Anthropic	live retrieval	1.7%	504 of 30,414	new
Google-CloudVertexBot	Google	live retrieval	1.6%	496 of 30,414	new
Claude-SearchBot	Anthropic	answer index	1.6%	479 of 30,414	new
Perplexity-User	Perplexity	live retrieval	1.6%	479 of 30,414	new
MistralAI-User	Mistral AI	live retrieval	1.5%	468 of 30,414	new
GoogleOther	Google	training	1.5%	457 of 30,414	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	452 of 30,414	new
Meta-WebIndexer	Meta	answer index	1.2%	363 of 30,414	new
Applebot	Apple	answer index	1.2%	357 of 30,414	new
TikTokSpider	ByteDance	live retrieval	0.9%	259 of 30,414	new
Amzn-SearchBot	Amazon	answer index	0.8%	248 of 30,414	new
MistralAI-Training	Mistral AI	training	0.8%	238 of 30,414	new
Amzn-User	Amazon	live retrieval	0.6%	186 of 30,414	new
MistralAI-Index	Mistral AI	answer index	0.3%	94 of 30,414	new
facebookexternalhit	Meta	live retrieval	0.2%	48 of 30,414	new
Bingbot	Microsoft	answer index	0.1%	36 of 30,414	new
Googlebot-News	Google	answer index	0.1%	36 of 30,414	new
Meta-ExternalAds	Meta	training	0.1%	24 of 30,414	new
msnbot	Microsoft	answer index	0.1%	18 of 30,414	new
Googlebot	Google	answer index	0.1%	17 of 30,414	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	12 of 30,414	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-W39", 2003-09-28. https://crawlcensus.com/report/2003-W39

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