Weekly report · 2023-W48

The state of AI crawling

Measured on 30,521 reachable domains for the week ending 2023-12-03. 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.

← 2023-W47 · 2023-W49 →

30,521

domains measured

block an answer engine

18%

refuse AI agents at the edge

13%

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	11.4%	3,476 of 30,517	new
CCBot	Common Crawl Foundation	archive	11.2%	3,411 of 30,517	new
Bytespider	ByteDance	training	10.7%	3,273 of 30,517	new
ClaudeBot	Anthropic	training	10.0%	3,051 of 30,517	new
Google-Extended	Google	training	9.0%	2,749 of 30,517	new
Meta-ExternalAgent	Meta	training	9.0%	2,747 of 30,517	new
Amazonbot	Amazon	training	9.0%	2,736 of 30,517	new
Applebot-Extended	Apple	training	8.7%	2,667 of 30,517	new
anthropic-ai	Anthropic	training	4.2%	1,288 of 30,517	new
omgilibot	Webz.io	training	4.2%	1,273 of 30,517	new
Diffbot	Diffbot	training	3.9%	1,176 of 30,517	new
omgili	Webz.io	training	3.8%	1,157 of 30,517	new
SemrushBot-OCOB	Semrush	training	3.8%	1,150 of 30,517	new
cohere-ai	Cohere	live retrieval	3.8%	1,148 of 30,517	new
PerplexityBot	Perplexity	answer index	3.7%	1,115 of 30,517	new
ChatGPT-User	OpenAI	live retrieval	3.6%	1,109 of 30,517	new
FacebookBot	Meta	training	3.3%	992 of 30,517	new
YouBot	You.com	answer index	2.8%	866 of 30,517	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	844 of 30,517	new
Timpibot	Timpi	training	2.7%	835 of 30,517	new
Scrapy	Zyte (open-source framework)	training	2.3%	713 of 30,517	new
OAI-SearchBot	OpenAI	answer index	2.3%	698 of 30,517	new
AI2Bot	Allen Institute for AI	training	2.2%	684 of 30,517	new
cohere-training-data-crawler	Cohere	training	2.0%	600 of 30,517	new
DuckAssistBot	DuckDuckGo	live retrieval	1.8%	536 of 30,517	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	532 of 30,517	new
PanguBot	Huawei	training	1.7%	521 of 30,517	new
Claude-SearchBot	Anthropic	answer index	1.6%	487 of 30,517	new
Claude-User	Anthropic	live retrieval	1.6%	477 of 30,517	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	462 of 30,517	new
Perplexity-User	Perplexity	live retrieval	1.5%	453 of 30,517	new
MistralAI-User	Mistral AI	live retrieval	1.4%	431 of 30,517	new
Applebot	Apple	answer index	1.2%	367 of 30,517	new
Google-CloudVertexBot	Google	live retrieval	1.2%	360 of 30,517	new
Meta-WebIndexer	Meta	answer index	1.1%	349 of 30,517	new
GoogleOther	Google	training	1.1%	338 of 30,517	new
TikTokSpider	ByteDance	live retrieval	0.8%	256 of 30,517	new
Amzn-SearchBot	Amazon	answer index	0.7%	216 of 30,517	new
Amzn-User	Amazon	live retrieval	0.4%	128 of 30,517	new
MistralAI-Index	Mistral AI	answer index	0.2%	67 of 30,517	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,517	new
MistralAI-Training	Mistral AI	training	0.2%	55 of 30,517	new
Bingbot	Microsoft	answer index	0.1%	44 of 30,517	new
Googlebot-News	Google	answer index	0.1%	40 of 30,517	new
msnbot	Microsoft	answer index	0.1%	24 of 30,517	new
Meta-ExternalAds	Meta	training	0.1%	20 of 30,517	new
Googlebot	Google	answer index	0.1%	16 of 30,517	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	2 of 30,517	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, 2023-W48", 2023-12-03. https://crawlcensus.com/report/2023-W48

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