Weekly report · 2019-W08

The state of AI crawling

Measured on 30,511 reachable domains for the week ending 2019-02-24. 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.

← 2019-W07 · 2019-W09 →

30,511

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%	3,473 of 30,510	new
CCBot	Common Crawl Foundation	archive	11.2%	3,407 of 30,510	new
Bytespider	ByteDance	training	10.7%	3,277 of 30,510	new
ClaudeBot	Anthropic	training	10.0%	3,048 of 30,510	new
Google-Extended	Google	training	9.0%	2,748 of 30,510	new
Meta-ExternalAgent	Meta	training	9.0%	2,745 of 30,510	new
Amazonbot	Amazon	training	9.0%	2,739 of 30,510	new
Applebot-Extended	Apple	training	8.8%	2,676 of 30,510	new
anthropic-ai	Anthropic	training	4.2%	1,279 of 30,510	new
omgilibot	Webz.io	training	4.2%	1,273 of 30,510	new
Diffbot	Diffbot	training	3.9%	1,178 of 30,510	new
omgili	Webz.io	training	3.8%	1,157 of 30,510	new
cohere-ai	Cohere	live retrieval	3.8%	1,148 of 30,510	new
SemrushBot-OCOB	Semrush	training	3.7%	1,138 of 30,510	new
PerplexityBot	Perplexity	answer index	3.6%	1,108 of 30,510	new
ChatGPT-User	OpenAI	live retrieval	3.6%	1,101 of 30,510	new
FacebookBot	Meta	training	3.3%	994 of 30,510	new
YouBot	You.com	answer index	2.9%	870 of 30,510	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	841 of 30,510	new
Timpibot	Timpi	training	2.7%	835 of 30,510	new
Scrapy	Zyte (open-source framework)	training	2.3%	711 of 30,510	new
OAI-SearchBot	OpenAI	answer index	2.3%	688 of 30,510	new
AI2Bot	Allen Institute for AI	training	2.2%	686 of 30,510	new
cohere-training-data-crawler	Cohere	training	2.0%	597 of 30,510	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	530 of 30,510	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	529 of 30,510	new
PanguBot	Huawei	training	1.7%	519 of 30,510	new
Claude-SearchBot	Anthropic	answer index	1.6%	482 of 30,510	new
Claude-User	Anthropic	live retrieval	1.6%	475 of 30,510	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	460 of 30,510	new
Perplexity-User	Perplexity	live retrieval	1.5%	448 of 30,510	new
MistralAI-User	Mistral AI	live retrieval	1.4%	428 of 30,510	new
Applebot	Apple	answer index	1.2%	355 of 30,510	new
Google-CloudVertexBot	Google	live retrieval	1.2%	354 of 30,510	new
Meta-WebIndexer	Meta	answer index	1.1%	350 of 30,510	new
GoogleOther	Google	training	1.1%	334 of 30,510	new
TikTokSpider	ByteDance	live retrieval	0.8%	255 of 30,510	new
Amzn-SearchBot	Amazon	answer index	0.7%	220 of 30,510	new
Amzn-User	Amazon	live retrieval	0.4%	130 of 30,510	new
MistralAI-Index	Mistral AI	answer index	0.2%	68 of 30,510	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,510	new
MistralAI-Training	Mistral AI	training	0.2%	55 of 30,510	new
Bingbot	Microsoft	answer index	0.1%	40 of 30,510	new
Googlebot-News	Google	answer index	0.1%	38 of 30,510	new
msnbot	Microsoft	answer index	0.1%	25 of 30,510	new
Meta-ExternalAds	Meta	training	0.1%	20 of 30,510	new
Googlebot	Google	answer index	0.1%	16 of 30,510	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	2 of 30,510	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, 2019-W08", 2019-02-24. https://crawlcensus.com/report/2019-W08

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