Weekly report · 2005-W12

The state of AI crawling

Measured on 30,302 reachable domains for the week ending 2005-03-27. 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.

← 2005-W11  ·  2005-W13 →

30,302
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 7.1% 2,164 of 30,289 new
CCBot Common Crawl Foundation archive 6.8% 2,060 of 30,289 new
Bytespider ByteDance training 6.5% 1,977 of 30,289 new
ClaudeBot Anthropic training 5.8% 1,763 of 30,289 new
Amazonbot Amazon training 4.8% 1,456 of 30,289 new
Applebot-Extended Apple training 4.8% 1,444 of 30,289 new
Meta-ExternalAgent Meta training 4.8% 1,444 of 30,289 new
Google-Extended Google training 4.7% 1,432 of 30,289 new
anthropic-ai Anthropic training 4.4% 1,347 of 30,289 new
omgilibot Webz.io training 4.4% 1,343 of 30,289 new
Diffbot Diffbot training 4.2% 1,271 of 30,289 new
cohere-ai Cohere live retrieval 4.2% 1,257 of 30,289 new
omgili Webz.io training 4.1% 1,231 of 30,289 new
SemrushBot-OCOB Semrush training 3.7% 1,125 of 30,289 new
ChatGPT-User OpenAI live retrieval 3.4% 1,036 of 30,289 new
PerplexityBot Perplexity answer index 3.4% 1,030 of 30,289 new
FacebookBot Meta training 3.2% 967 of 30,289 new
YouBot You.com answer index 3.0% 896 of 30,289 new
ImagesiftBot ImageSift (Hive) training 2.8% 842 of 30,289 new
Timpibot Timpi training 2.7% 826 of 30,289 new
Scrapy Zyte (open-source framework) training 2.4% 730 of 30,289 new
AI2Bot Allen Institute for AI training 2.3% 699 of 30,289 new
OAI-SearchBot OpenAI answer index 2.1% 627 of 30,289 new
cohere-training-data-crawler Cohere training 2.0% 616 of 30,289 new
Meta-ExternalFetcher Meta live retrieval 1.7% 527 of 30,289 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 522 of 30,289 new
PanguBot Huawei training 1.7% 517 of 30,289 new
Claude-User Anthropic live retrieval 1.6% 494 of 30,289 new
Google-CloudVertexBot Google live retrieval 1.6% 475 of 30,289 new
Claude-SearchBot Anthropic answer index 1.6% 473 of 30,289 new
Perplexity-User Perplexity live retrieval 1.6% 470 of 30,289 new
MistralAI-User Mistral AI live retrieval 1.5% 460 of 30,289 new
Kangaroo Bot Kangaroo LLM training 1.5% 453 of 30,289 new
GoogleOther Google training 1.4% 434 of 30,289 new
Meta-WebIndexer Meta answer index 1.2% 362 of 30,289 new
Applebot Apple answer index 1.2% 354 of 30,289 new
TikTokSpider ByteDance live retrieval 0.9% 259 of 30,289 new
Amzn-SearchBot Amazon answer index 0.8% 242 of 30,289 new
MistralAI-Training Mistral AI training 0.7% 205 of 30,289 new
Amzn-User Amazon live retrieval 0.6% 181 of 30,289 new
MistralAI-Index Mistral AI answer index 0.3% 93 of 30,289 new
facebookexternalhit Meta live retrieval 0.2% 52 of 30,289 new
Bingbot Microsoft answer index 0.1% 39 of 30,289 new
Googlebot-News Google answer index 0.1% 35 of 30,289 new
Meta-ExternalAds Meta training 0.1% 24 of 30,289 new
msnbot Microsoft answer index 0.1% 19 of 30,289 new
Googlebot Google answer index 0.0% 15 of 30,289 new
OAI-AdsBot OpenAI live retrieval 0.0% 12 of 30,289 new

Trend share of measured sites

% of sites20151050% of sites08-2209-1910-18block an answer engineblock a training crawlerpublish llms.txt

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

bar chart.de (n=837)16.1%.uk (n=447)16.1%.fr (n=331)14.5%.jp (n=419)9.1%.com (n=14829)6.9%.br (n=377)5.8%.org (n=1661)5.5%.net (n=1310)4.4%.ru (n=1154)2.9%.in (n=306)2.9%.edu (n=466)2.4%.io (n=654)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, 2005-W12", 2005-03-27. https://crawlcensus.com/report/2005-W12

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