Weekly report · 2025-W04

The state of AI crawling

Measured on 30,465 reachable domains for the week ending 2025-01-26. 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.

← 2025-W03  ·  2025-W05 →

30,465
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 11.2% 3,426 of 30,463 new
CCBot Common Crawl Foundation archive 11.0% 3,355 of 30,463 new
Bytespider ByteDance training 10.6% 3,216 of 30,463 new
ClaudeBot Anthropic training 9.9% 3,002 of 30,463 new
Google-Extended Google training 8.9% 2,709 of 30,463 new
Meta-ExternalAgent Meta training 8.9% 2,705 of 30,463 new
Amazonbot Amazon training 8.8% 2,680 of 30,463 new
Applebot-Extended Apple training 8.6% 2,629 of 30,463 new
anthropic-ai Anthropic training 4.1% 1,255 of 30,463 new
omgilibot Webz.io training 4.1% 1,237 of 30,463 new
Diffbot Diffbot training 3.7% 1,139 of 30,463 new
omgili Webz.io training 3.7% 1,127 of 30,463 new
SemrushBot-OCOB Semrush training 3.7% 1,125 of 30,463 new
cohere-ai Cohere live retrieval 3.7% 1,119 of 30,463 new
PerplexityBot Perplexity answer index 3.6% 1,082 of 30,463 new
ChatGPT-User OpenAI live retrieval 3.5% 1,079 of 30,463 new
FacebookBot Meta training 3.2% 969 of 30,463 new
YouBot You.com answer index 2.8% 838 of 30,463 new
ImagesiftBot ImageSift (Hive) training 2.7% 822 of 30,463 new
Timpibot Timpi training 2.7% 818 of 30,463 new
Scrapy Zyte (open-source framework) training 2.2% 684 of 30,463 new
OAI-SearchBot OpenAI answer index 2.2% 667 of 30,463 new
AI2Bot Allen Institute for AI training 2.2% 665 of 30,463 new
cohere-training-data-crawler Cohere training 1.9% 588 of 30,463 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 517 of 30,463 new
Meta-ExternalFetcher Meta live retrieval 1.7% 513 of 30,463 new
PanguBot Huawei training 1.7% 509 of 30,463 new
Claude-SearchBot Anthropic answer index 1.6% 476 of 30,463 new
Claude-User Anthropic live retrieval 1.5% 461 of 30,463 new
Kangaroo Bot Kangaroo LLM training 1.5% 454 of 30,463 new
Perplexity-User Perplexity live retrieval 1.4% 440 of 30,463 new
MistralAI-User Mistral AI live retrieval 1.4% 412 of 30,463 new
Applebot Apple answer index 1.2% 357 of 30,463 new
Google-CloudVertexBot Google live retrieval 1.1% 346 of 30,463 new
Meta-WebIndexer Meta answer index 1.1% 332 of 30,463 new
GoogleOther Google training 1.0% 316 of 30,463 new
TikTokSpider ByteDance live retrieval 0.8% 244 of 30,463 new
Amzn-SearchBot Amazon answer index 0.7% 206 of 30,463 new
Amzn-User Amazon live retrieval 0.4% 116 of 30,463 new
MistralAI-Index Mistral AI answer index 0.2% 68 of 30,463 new
facebookexternalhit Meta live retrieval 0.2% 58 of 30,463 new
MistralAI-Training Mistral AI training 0.2% 54 of 30,463 new
Bingbot Microsoft answer index 0.1% 45 of 30,463 new
Googlebot-News Google answer index 0.1% 40 of 30,463 new
msnbot Microsoft answer index 0.1% 26 of 30,463 new
Meta-ExternalAds Meta training 0.1% 19 of 30,463 new
Googlebot Google answer index 0.1% 16 of 30,463 new
OAI-AdsBot OpenAI live retrieval 0.0% 2 of 30,463 new

Trend share of measured sites

% of sites20151050% of sites08-2208-2508-29block 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=452)17.3%.fr (n=330)17%.de (n=826)16.3%.jp (n=414)9.2%.com (n=14990)6.5%.br (n=370)5.7%.org (n=1692)5%.net (n=1317)4.4%.ru (n=1159)3.1%.in (n=307)2.9%.edu (n=468)2.4%.io (n=656)1.8%

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, 2025-W04", 2025-01-26. https://crawlcensus.com/report/2025-W04

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