Weekly report · 2016-W21

The state of AI crawling

Measured on 30,529 reachable domains for the week ending 2016-05-29. 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.

← 2016-W20  ·  2016-W22 →

30,529
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 11.3% 3,437 of 30,527 new
CCBot Common Crawl Foundation archive 11.1% 3,381 of 30,527 new
Bytespider ByteDance training 10.7% 3,256 of 30,527 new
ClaudeBot Anthropic training 9.9% 3,021 of 30,527 new
Meta-ExternalAgent Meta training 8.9% 2,730 of 30,527 new
Google-Extended Google training 8.9% 2,727 of 30,527 new
Amazonbot Amazon training 8.9% 2,718 of 30,527 new
Applebot-Extended Apple training 8.7% 2,659 of 30,527 new
anthropic-ai Anthropic training 4.2% 1,271 of 30,527 new
omgilibot Webz.io training 4.1% 1,259 of 30,527 new
Diffbot Diffbot training 3.8% 1,168 of 30,527 new
cohere-ai Cohere live retrieval 3.8% 1,157 of 30,527 new
omgili Webz.io training 3.7% 1,144 of 30,527 new
SemrushBot-OCOB Semrush training 3.7% 1,134 of 30,527 new
PerplexityBot Perplexity answer index 3.6% 1,095 of 30,527 new
ChatGPT-User OpenAI live retrieval 3.6% 1,088 of 30,527 new
FacebookBot Meta training 3.2% 985 of 30,527 new
YouBot You.com answer index 2.9% 883 of 30,527 new
ImagesiftBot ImageSift (Hive) training 2.8% 840 of 30,527 new
Timpibot Timpi training 2.7% 834 of 30,527 new
Scrapy Zyte (open-source framework) training 2.4% 723 of 30,527 new
AI2Bot Allen Institute for AI training 2.2% 683 of 30,527 new
OAI-SearchBot OpenAI answer index 2.2% 682 of 30,527 new
cohere-training-data-crawler Cohere training 2.0% 601 of 30,527 new
Meta-ExternalFetcher Meta live retrieval 1.7% 531 of 30,527 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 530 of 30,527 new
PanguBot Huawei training 1.7% 512 of 30,527 new
Claude-SearchBot Anthropic answer index 1.6% 481 of 30,527 new
Claude-User Anthropic live retrieval 1.5% 472 of 30,527 new
Kangaroo Bot Kangaroo LLM training 1.5% 458 of 30,527 new
Perplexity-User Perplexity live retrieval 1.5% 446 of 30,527 new
MistralAI-User Mistral AI live retrieval 1.4% 426 of 30,527 new
Google-CloudVertexBot Google live retrieval 1.2% 354 of 30,527 new
Meta-WebIndexer Meta answer index 1.1% 351 of 30,527 new
Applebot Apple answer index 1.1% 349 of 30,527 new
GoogleOther Google training 1.1% 332 of 30,527 new
TikTokSpider ByteDance live retrieval 0.8% 255 of 30,527 new
Amzn-SearchBot Amazon answer index 0.7% 219 of 30,527 new
Amzn-User Amazon live retrieval 0.4% 130 of 30,527 new
MistralAI-Index Mistral AI answer index 0.2% 73 of 30,527 new
facebookexternalhit Meta live retrieval 0.2% 59 of 30,527 new
MistralAI-Training Mistral AI training 0.2% 57 of 30,527 new
Bingbot Microsoft answer index 0.1% 39 of 30,527 new
Googlebot-News Google answer index 0.1% 38 of 30,527 new
msnbot Microsoft answer index 0.1% 27 of 30,527 new
Meta-ExternalAds Meta training 0.1% 20 of 30,527 new
Googlebot Google answer index 0.1% 16 of 30,527 new
OAI-AdsBot OpenAI live retrieval 0.0% 3 of 30,527 new

Trend share of measured sites

% of sites20151050% of sites08-2209-0209-14block 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=450)17.1%.fr (n=326)16.6%.de (n=839)16.1%.jp (n=420)8.8%.com (n=15000)6.5%.br (n=381)5.8%.org (n=1689)5.3%.net (n=1324)3.9%.ru (n=1168)3%.in (n=306)2.6%.edu (n=476)2.3%.io (n=658)2%

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, 2016-W21", 2016-05-29. https://crawlcensus.com/report/2016-W21

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