Weekly report · 2019-W34

The state of AI crawling

Measured on 30,567 reachable domains for the week ending 2019-08-25. 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-W33 · 2019-W35 →

30,567

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%	3,492 of 30,563	new
CCBot	Common Crawl Foundation	archive	11.2%	3,428 of 30,563	new
Bytespider	ByteDance	training	10.8%	3,298 of 30,563	new
ClaudeBot	Anthropic	training	10.0%	3,065 of 30,563	new
Google-Extended	Google	training	9.0%	2,765 of 30,563	new
Meta-ExternalAgent	Meta	training	9.0%	2,760 of 30,563	new
Amazonbot	Amazon	training	9.0%	2,750 of 30,563	new
Applebot-Extended	Apple	training	8.8%	2,688 of 30,563	new
anthropic-ai	Anthropic	training	4.2%	1,294 of 30,563	new
omgilibot	Webz.io	training	4.2%	1,284 of 30,563	new
Diffbot	Diffbot	training	3.9%	1,186 of 30,563	new
omgili	Webz.io	training	3.8%	1,166 of 30,563	new
cohere-ai	Cohere	live retrieval	3.8%	1,157 of 30,563	new
SemrushBot-OCOB	Semrush	training	3.8%	1,147 of 30,563	new
PerplexityBot	Perplexity	answer index	3.7%	1,118 of 30,563	new
ChatGPT-User	OpenAI	live retrieval	3.6%	1,112 of 30,563	new
FacebookBot	Meta	training	3.3%	997 of 30,563	new
YouBot	You.com	answer index	2.9%	872 of 30,563	new
ImagesiftBot	ImageSift (Hive)	training	2.8%	845 of 30,563	new
Timpibot	Timpi	training	2.7%	838 of 30,563	new
Scrapy	Zyte (open-source framework)	training	2.3%	717 of 30,563	new
OAI-SearchBot	OpenAI	answer index	2.3%	697 of 30,563	new
AI2Bot	Allen Institute for AI	training	2.3%	688 of 30,563	new
cohere-training-data-crawler	Cohere	training	2.0%	598 of 30,563	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	534 of 30,563	new
Meta-ExternalFetcher	Meta	live retrieval	1.7%	531 of 30,563	new
PanguBot	Huawei	training	1.7%	519 of 30,563	new
Claude-SearchBot	Anthropic	answer index	1.6%	483 of 30,563	new
Claude-User	Anthropic	live retrieval	1.6%	476 of 30,563	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	461 of 30,563	new
Perplexity-User	Perplexity	live retrieval	1.5%	452 of 30,563	new
MistralAI-User	Mistral AI	live retrieval	1.4%	429 of 30,563	new
Applebot	Apple	answer index	1.2%	368 of 30,563	new
Google-CloudVertexBot	Google	live retrieval	1.2%	356 of 30,563	new
Meta-WebIndexer	Meta	answer index	1.1%	349 of 30,563	new
GoogleOther	Google	training	1.1%	338 of 30,563	new
TikTokSpider	ByteDance	live retrieval	0.8%	256 of 30,563	new
Amzn-SearchBot	Amazon	answer index	0.7%	219 of 30,563	new
Amzn-User	Amazon	live retrieval	0.4%	130 of 30,563	new
MistralAI-Index	Mistral AI	answer index	0.2%	67 of 30,563	new
facebookexternalhit	Meta	live retrieval	0.2%	57 of 30,563	new
MistralAI-Training	Mistral AI	training	0.2%	55 of 30,563	new
Bingbot	Microsoft	answer index	0.1%	41 of 30,563	new
Googlebot-News	Google	answer index	0.1%	39 of 30,563	new
msnbot	Microsoft	answer index	0.1%	25 of 30,563	new
Meta-ExternalAds	Meta	training	0.1%	20 of 30,563	new
Googlebot	Google	answer index	0.1%	16 of 30,563	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	2 of 30,563	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-W34", 2019-08-25. https://crawlcensus.com/report/2019-W34

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