Weekly report · 2023-W51

The state of AI crawling

Measured on 30,526 reachable domains for the week ending 2023-12-24. 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-W50 · 2023-W52 →

30,526

domains measured

block an answer engine

19%

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%	3,466 of 30,526	new
CCBot	Common Crawl Foundation	archive	11.2%	3,406 of 30,526	new
Bytespider	ByteDance	training	10.7%	3,262 of 30,526	new
ClaudeBot	Anthropic	training	10.0%	3,042 of 30,526	new
Google-Extended	Google	training	9.0%	2,744 of 30,526	new
Meta-ExternalAgent	Meta	training	9.0%	2,738 of 30,526	new
Amazonbot	Amazon	training	8.9%	2,724 of 30,526	new
Applebot-Extended	Apple	training	8.7%	2,661 of 30,526	new
anthropic-ai	Anthropic	training	4.2%	1,272 of 30,526	new
omgilibot	Webz.io	training	4.1%	1,253 of 30,526	new
Diffbot	Diffbot	training	3.8%	1,156 of 30,526	new
omgili	Webz.io	training	3.7%	1,141 of 30,526	new
SemrushBot-OCOB	Semrush	training	3.7%	1,138 of 30,526	new
cohere-ai	Cohere	live retrieval	3.7%	1,129 of 30,526	new
PerplexityBot	Perplexity	answer index	3.6%	1,094 of 30,526	new
ChatGPT-User	OpenAI	live retrieval	3.6%	1,091 of 30,526	new
FacebookBot	Meta	training	3.2%	983 of 30,526	new
YouBot	You.com	answer index	2.8%	852 of 30,526	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	835 of 30,526	new
Timpibot	Timpi	training	2.7%	826 of 30,526	new
Scrapy	Zyte (open-source framework)	training	2.3%	696 of 30,526	new
OAI-SearchBot	OpenAI	answer index	2.2%	679 of 30,526	new
AI2Bot	Allen Institute for AI	training	2.2%	671 of 30,526	new
cohere-training-data-crawler	Cohere	training	1.9%	591 of 30,526	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	527 of 30,526	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	524 of 30,526	new
PanguBot	Huawei	training	1.7%	511 of 30,526	new
Claude-SearchBot	Anthropic	answer index	1.6%	480 of 30,526	new
Claude-User	Anthropic	live retrieval	1.5%	467 of 30,526	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	454 of 30,526	new
Perplexity-User	Perplexity	live retrieval	1.5%	446 of 30,526	new
MistralAI-User	Mistral AI	live retrieval	1.4%	420 of 30,526	new
Applebot	Apple	answer index	1.2%	357 of 30,526	new
Google-CloudVertexBot	Google	live retrieval	1.2%	354 of 30,526	new
Meta-WebIndexer	Meta	answer index	1.1%	339 of 30,526	new
GoogleOther	Google	training	1.1%	325 of 30,526	new
TikTokSpider	ByteDance	live retrieval	0.8%	248 of 30,526	new
Amzn-SearchBot	Amazon	answer index	0.7%	207 of 30,526	new
Amzn-User	Amazon	live retrieval	0.4%	119 of 30,526	new
MistralAI-Index	Mistral AI	answer index	0.2%	68 of 30,526	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,526	new
MistralAI-Training	Mistral AI	training	0.2%	55 of 30,526	new
Bingbot	Microsoft	answer index	0.1%	44 of 30,526	new
Googlebot-News	Google	answer index	0.1%	40 of 30,526	new
msnbot	Microsoft	answer index	0.1%	24 of 30,526	new
Meta-ExternalAds	Meta	training	0.1%	20 of 30,526	new
Googlebot	Google	answer index	0.1%	16 of 30,526	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	2 of 30,526	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-W51", 2023-12-24. https://crawlcensus.com/report/2023-W51

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