Weekly report · 2015-W50

The state of AI crawling

Measured on 30,370 reachable domains for the week ending 2015-12-13. 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.

← 2015-W49 · 2015-W51 →

30,370

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	9.7%	2,960 of 30,368	new
CCBot	Common Crawl Foundation	archive	9.6%	2,905 of 30,368	new
Bytespider	ByteDance	training	9.1%	2,768 of 30,368	new
ClaudeBot	Anthropic	training	8.3%	2,532 of 30,368	new
Meta-ExternalAgent	Meta	training	7.4%	2,260 of 30,368	new
Amazonbot	Amazon	training	7.4%	2,239 of 30,368	new
Google-Extended	Google	training	7.3%	2,228 of 30,368	new
Applebot-Extended	Apple	training	7.2%	2,190 of 30,368	new
anthropic-ai	Anthropic	training	4.1%	1,255 of 30,368	new
omgilibot	Webz.io	training	4.1%	1,234 of 30,368	new
cohere-ai	Cohere	live retrieval	3.8%	1,168 of 30,368	new
Diffbot	Diffbot	training	3.8%	1,144 of 30,368	new
SemrushBot-OCOB	Semrush	training	3.7%	1,129 of 30,368	new
omgili	Webz.io	training	3.7%	1,120 of 30,368	new
PerplexityBot	Perplexity	answer index	3.5%	1,066 of 30,368	new
ChatGPT-User	OpenAI	live retrieval	3.5%	1,061 of 30,368	new
FacebookBot	Meta	training	3.2%	957 of 30,368	new
YouBot	You.com	answer index	2.9%	878 of 30,368	new
ImagesiftBot	ImageSift (Hive)	training	2.7%	825 of 30,368	new
Timpibot	Timpi	training	2.7%	818 of 30,368	new
Scrapy	Zyte (open-source framework)	training	2.4%	727 of 30,368	new
AI2Bot	Allen Institute for AI	training	2.2%	672 of 30,368	new
OAI-SearchBot	OpenAI	answer index	2.2%	667 of 30,368	new
cohere-training-data-crawler	Cohere	training	2.0%	601 of 30,368	new
Meta-ExternalFetcher	Meta	live retrieval	1.8%	533 of 30,368	new
DuckAssistBot	DuckDuckGo	live retrieval	1.7%	514 of 30,368	new
PanguBot	Huawei	training	1.6%	501 of 30,368	new
Claude-SearchBot	Anthropic	answer index	1.6%	473 of 30,368	new
Claude-User	Anthropic	live retrieval	1.5%	470 of 30,368	new
Kangaroo Bot	Kangaroo LLM	training	1.5%	450 of 30,368	new
Perplexity-User	Perplexity	live retrieval	1.4%	440 of 30,368	new
MistralAI-User	Mistral AI	live retrieval	1.4%	423 of 30,368	new
Google-CloudVertexBot	Google	live retrieval	1.2%	362 of 30,368	new
Meta-WebIndexer	Meta	answer index	1.2%	353 of 30,368	new
GoogleOther	Google	training	1.1%	342 of 30,368	new
Applebot	Apple	answer index	1.1%	334 of 30,368	new
TikTokSpider	ByteDance	live retrieval	0.8%	255 of 30,368	new
Amzn-SearchBot	Amazon	answer index	0.7%	212 of 30,368	new
Amzn-User	Amazon	live retrieval	0.5%	138 of 30,368	new
MistralAI-Index	Mistral AI	answer index	0.2%	73 of 30,368	new
MistralAI-Training	Mistral AI	training	0.2%	67 of 30,368	new
facebookexternalhit	Meta	live retrieval	0.2%	59 of 30,368	new
Bingbot	Microsoft	answer index	0.1%	39 of 30,368	new
Googlebot-News	Google	answer index	0.1%	38 of 30,368	new
msnbot	Microsoft	answer index	0.1%	27 of 30,368	new
Meta-ExternalAds	Meta	training	0.1%	19 of 30,368	new
Googlebot	Google	answer index	0.1%	16 of 30,368	new
OAI-AdsBot	OpenAI	live retrieval	0.0%	5 of 30,368	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, 2015-W50", 2015-12-13. https://crawlcensus.com/report/2015-W50

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