Weekly report · 2015-W17

The state of AI crawling

Measured on 30,296 reachable domains for the week ending 2015-04-26. 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-W16  ·  2015-W18 →

30,296
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 8.5% 2,576 of 30,294 new
CCBot Common Crawl Foundation archive 8.3% 2,523 of 30,294 new
Bytespider ByteDance training 7.9% 2,387 of 30,294 new
ClaudeBot Anthropic training 7.1% 2,145 of 30,294 new
Amazonbot Amazon training 6.1% 1,863 of 30,294 new
Meta-ExternalAgent Meta training 6.1% 1,861 of 30,294 new
Google-Extended Google training 6.0% 1,831 of 30,294 new
Applebot-Extended Apple training 5.9% 1,801 of 30,294 new
anthropic-ai Anthropic training 4.2% 1,264 of 30,294 new
omgilibot Webz.io training 4.1% 1,236 of 30,294 new
cohere-ai Cohere live retrieval 3.9% 1,174 of 30,294 new
Diffbot Diffbot training 3.8% 1,149 of 30,294 new
SemrushBot-OCOB Semrush training 3.8% 1,146 of 30,294 new
omgili Webz.io training 3.7% 1,120 of 30,294 new
PerplexityBot Perplexity answer index 3.5% 1,060 of 30,294 new
ChatGPT-User OpenAI live retrieval 3.5% 1,049 of 30,294 new
FacebookBot Meta training 3.2% 957 of 30,294 new
YouBot You.com answer index 2.9% 876 of 30,294 new
ImagesiftBot ImageSift (Hive) training 2.7% 830 of 30,294 new
Timpibot Timpi training 2.7% 811 of 30,294 new
Scrapy Zyte (open-source framework) training 2.4% 720 of 30,294 new
AI2Bot Allen Institute for AI training 2.2% 663 of 30,294 new
OAI-SearchBot OpenAI answer index 2.1% 650 of 30,294 new
cohere-training-data-crawler Cohere training 2.0% 602 of 30,294 new
Meta-ExternalFetcher Meta live retrieval 1.8% 540 of 30,294 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 510 of 30,294 new
PanguBot Huawei training 1.6% 497 of 30,294 new
Claude-SearchBot Anthropic answer index 1.6% 474 of 30,294 new
Claude-User Anthropic live retrieval 1.5% 469 of 30,294 new
Kangaroo Bot Kangaroo LLM training 1.5% 451 of 30,294 new
Perplexity-User Perplexity live retrieval 1.5% 443 of 30,294 new
MistralAI-User Mistral AI live retrieval 1.4% 425 of 30,294 new
Google-CloudVertexBot Google live retrieval 1.2% 369 of 30,294 new
Meta-WebIndexer Meta answer index 1.2% 356 of 30,294 new
GoogleOther Google training 1.1% 345 of 30,294 new
Applebot Apple answer index 1.1% 329 of 30,294 new
TikTokSpider ByteDance live retrieval 0.8% 255 of 30,294 new
Amzn-SearchBot Amazon answer index 0.7% 216 of 30,294 new
Amzn-User Amazon live retrieval 0.5% 144 of 30,294 new
MistralAI-Training Mistral AI training 0.2% 75 of 30,294 new
MistralAI-Index Mistral AI answer index 0.2% 73 of 30,294 new
facebookexternalhit Meta live retrieval 0.2% 57 of 30,294 new
Bingbot Microsoft answer index 0.1% 39 of 30,294 new
Googlebot-News Google answer index 0.1% 37 of 30,294 new
msnbot Microsoft answer index 0.1% 26 of 30,294 new
Meta-ExternalAds Meta training 0.1% 20 of 30,294 new
Googlebot Google answer index 0.1% 16 of 30,294 new
OAI-AdsBot OpenAI live retrieval 0.0% 5 of 30,294 new

Trend share of measured sites

% of sites20151050% of sites08-2209-0409-18block 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=447)17.4%.fr (n=328)16.8%.de (n=835)16.5%.jp (n=411)9%.com (n=14844)6.4%.org (n=1671)5.5%.br (n=376)5.3%.net (n=1312)3.9%.ru (n=1174)3%.in (n=301)3%.edu (n=475)2.5%.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, 2015-W17", 2015-04-26. https://crawlcensus.com/report/2015-W17

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