Weekly report · 2003-W16

The state of AI crawling

Measured on 30,406 reachable domains for the week ending 2003-04-20. 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.

← 2003-W15  ·  2003-W17 →

30,406
domains measured
7%
block an answer engine
20%
refuse AI agents at the edge
14%
publish an llms.txt

Block rate by crawler with change on the previous week

CrawlerOperatorContent used forBlock rateSitesWeek on week
GPTBot OpenAI training 7.2% 2,201 of 30,407 new
CCBot Common Crawl Foundation archive 6.9% 2,092 of 30,407 new
Bytespider ByteDance training 6.6% 2,014 of 30,407 new
ClaudeBot Anthropic training 5.9% 1,798 of 30,407 new
Amazonbot Amazon training 5.0% 1,509 of 30,407 new
Applebot-Extended Apple training 4.9% 1,488 of 30,407 new
Meta-ExternalAgent Meta training 4.9% 1,487 of 30,407 new
Google-Extended Google training 4.8% 1,470 of 30,407 new
anthropic-ai Anthropic training 4.5% 1,381 of 30,407 new
omgilibot Webz.io training 4.5% 1,375 of 30,407 new
Diffbot Diffbot training 4.3% 1,311 of 30,407 new
cohere-ai Cohere live retrieval 4.3% 1,296 of 30,407 new
omgili Webz.io training 4.2% 1,262 of 30,407 new
SemrushBot-OCOB Semrush training 3.7% 1,114 of 30,407 new
PerplexityBot Perplexity answer index 3.4% 1,038 of 30,407 new
ChatGPT-User OpenAI live retrieval 3.4% 1,027 of 30,407 new
FacebookBot Meta training 3.1% 951 of 30,407 new
YouBot You.com answer index 2.9% 897 of 30,407 new
ImagesiftBot ImageSift (Hive) training 2.8% 839 of 30,407 new
Timpibot Timpi training 2.7% 825 of 30,407 new
Scrapy Zyte (open-source framework) training 2.4% 726 of 30,407 new
AI2Bot Allen Institute for AI training 2.3% 708 of 30,407 new
OAI-SearchBot OpenAI answer index 2.1% 626 of 30,407 new
cohere-training-data-crawler Cohere training 2.0% 619 of 30,407 new
Meta-ExternalFetcher Meta live retrieval 1.7% 528 of 30,407 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 523 of 30,407 new
PanguBot Huawei training 1.7% 517 of 30,407 new
Google-CloudVertexBot Google live retrieval 1.7% 513 of 30,407 new
Claude-User Anthropic live retrieval 1.7% 504 of 30,407 new
Claude-SearchBot Anthropic answer index 1.6% 480 of 30,407 new
Perplexity-User Perplexity live retrieval 1.6% 480 of 30,407 new
GoogleOther Google training 1.6% 473 of 30,407 new
MistralAI-User Mistral AI live retrieval 1.5% 469 of 30,407 new
Kangaroo Bot Kangaroo LLM training 1.5% 454 of 30,407 new
Meta-WebIndexer Meta answer index 1.2% 363 of 30,407 new
Applebot Apple answer index 1.2% 358 of 30,407 new
TikTokSpider ByteDance live retrieval 0.9% 261 of 30,407 new
MistralAI-Training Mistral AI training 0.8% 253 of 30,407 new
Amzn-SearchBot Amazon answer index 0.8% 248 of 30,407 new
Amzn-User Amazon live retrieval 0.6% 185 of 30,407 new
MistralAI-Index Mistral AI answer index 0.3% 94 of 30,407 new
facebookexternalhit Meta live retrieval 0.2% 48 of 30,407 new
Googlebot-News Google answer index 0.1% 36 of 30,407 new
Bingbot Microsoft answer index 0.1% 35 of 30,407 new
Meta-ExternalAds Meta training 0.1% 24 of 30,407 new
msnbot Microsoft answer index 0.1% 18 of 30,407 new
Googlebot Google answer index 0.1% 17 of 30,407 new
OAI-AdsBot OpenAI live retrieval 0.0% 12 of 30,407 new

Trend share of measured sites

% of sites20151050% of sites08-2309-2110-21block 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)16.5%.de (n=841)16.3%.fr (n=333)15.6%.jp (n=423)9%.com (n=14891)6.9%.br (n=374)6.4%.org (n=1665)5.6%.net (n=1310)4.7%.in (n=310)2.9%.ru (n=1153)2.7%.edu (n=465)2.4%.io (n=658)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, 2003-W16", 2003-04-20. https://crawlcensus.com/report/2003-W16

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