Weekly report · 2013-W37

The state of AI crawling

Measured on 30,286 reachable domains for the week ending 2013-09-15. 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.

← 2013-W36  ·  2013-W38 →

30,286
domains measured
6%
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

CrawlerOperatorContent used forBlock rateSitesWeek on week
GPTBot OpenAI training 7.8% 2,365 of 30,284 new
CCBot Common Crawl Foundation archive 7.6% 2,313 of 30,284 new
Bytespider ByteDance training 7.2% 2,179 of 30,284 new
ClaudeBot Anthropic training 6.4% 1,936 of 30,284 new
Amazonbot Amazon training 5.5% 1,660 of 30,284 new
Meta-ExternalAgent Meta training 5.4% 1,649 of 30,284 new
Google-Extended Google training 5.3% 1,611 of 30,284 new
Applebot-Extended Apple training 5.2% 1,587 of 30,284 new
anthropic-ai Anthropic training 4.2% 1,266 of 30,284 new
omgilibot Webz.io training 4.1% 1,246 of 30,284 new
cohere-ai Cohere live retrieval 3.9% 1,176 of 30,284 new
Diffbot Diffbot training 3.8% 1,160 of 30,284 new
SemrushBot-OCOB Semrush training 3.8% 1,142 of 30,284 new
omgili Webz.io training 3.7% 1,130 of 30,284 new
PerplexityBot Perplexity answer index 3.5% 1,055 of 30,284 new
ChatGPT-User OpenAI live retrieval 3.5% 1,045 of 30,284 new
FacebookBot Meta training 3.2% 956 of 30,284 new
YouBot You.com answer index 2.9% 880 of 30,284 new
ImagesiftBot ImageSift (Hive) training 2.7% 827 of 30,284 new
Timpibot Timpi training 2.7% 808 of 30,284 new
Scrapy Zyte (open-source framework) training 2.4% 717 of 30,284 new
AI2Bot Allen Institute for AI training 2.2% 663 of 30,284 new
OAI-SearchBot OpenAI answer index 2.1% 641 of 30,284 new
cohere-training-data-crawler Cohere training 2.0% 601 of 30,284 new
Meta-ExternalFetcher Meta live retrieval 1.8% 538 of 30,284 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 510 of 30,284 new
PanguBot Huawei training 1.6% 499 of 30,284 new
Claude-User Anthropic live retrieval 1.6% 475 of 30,284 new
Claude-SearchBot Anthropic answer index 1.6% 474 of 30,284 new
Kangaroo Bot Kangaroo LLM training 1.5% 455 of 30,284 new
Perplexity-User Perplexity live retrieval 1.5% 448 of 30,284 new
MistralAI-User Mistral AI live retrieval 1.4% 430 of 30,284 new
Google-CloudVertexBot Google live retrieval 1.2% 369 of 30,284 new
GoogleOther Google training 1.2% 353 of 30,284 new
Meta-WebIndexer Meta answer index 1.2% 353 of 30,284 new
Applebot Apple answer index 1.1% 338 of 30,284 new
TikTokSpider ByteDance live retrieval 0.8% 257 of 30,284 new
Amzn-SearchBot Amazon answer index 0.7% 218 of 30,284 new
Amzn-User Amazon live retrieval 0.5% 147 of 30,284 new
MistralAI-Training Mistral AI training 0.3% 83 of 30,284 new
MistralAI-Index Mistral AI answer index 0.2% 68 of 30,284 new
facebookexternalhit Meta live retrieval 0.2% 53 of 30,284 new
Bingbot Microsoft answer index 0.1% 39 of 30,284 new
Googlebot-News Google answer index 0.1% 37 of 30,284 new
msnbot Microsoft answer index 0.1% 26 of 30,284 new
Meta-ExternalAds Meta training 0.1% 20 of 30,284 new
Googlebot Google answer index 0.1% 17 of 30,284 new
OAI-AdsBot OpenAI live retrieval 0.0% 7 of 30,284 new

Trend share of measured sites

% of sites20151050% of sites08-2209-0609-22block an answer engineblock a training crawlerpublish llms.txt

Where the blocking is share blocking an answer engine, by top-level domain

bar chart.uk (n=449)17.4%.fr (n=327)16.8%.de (n=832)16.2%.jp (n=409)9%.com (n=14830)6.5%.org (n=1668)5.6%.br (n=374)5.3%.net (n=1310)4%.ru (n=1180)3.1%.in (n=312)2.9%.edu (n=475)2.5%.io (n=657)2.1%

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, 2013-W37", 2013-09-15. https://crawlcensus.com/report/2013-W37

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