Weekly report · 2008-W35

The state of AI crawling

Measured on 30,178 reachable domains for the week ending 2008-08-31. 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.

← 2008-W34  ·  2008-W36 →

30,178
domains measured
7%
block an answer engine
19%
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% 2,148 of 30,175 new
CCBot Common Crawl Foundation archive 6.9% 2,068 of 30,175 new
Bytespider ByteDance training 6.5% 1,951 of 30,175 new
ClaudeBot Anthropic training 5.8% 1,746 of 30,175 new
Meta-ExternalAgent Meta training 4.7% 1,430 of 30,175 new
Amazonbot Amazon training 4.7% 1,413 of 30,175 new
Google-Extended Google training 4.6% 1,392 of 30,175 new
Applebot-Extended Apple training 4.6% 1,379 of 30,175 new
anthropic-ai Anthropic training 4.4% 1,321 of 30,175 new
omgilibot Webz.io training 4.3% 1,289 of 30,175 new
cohere-ai Cohere live retrieval 4.1% 1,223 of 30,175 new
Diffbot Diffbot training 4.0% 1,222 of 30,175 new
omgili Webz.io training 3.9% 1,171 of 30,175 new
SemrushBot-OCOB Semrush training 3.7% 1,123 of 30,175 new
ChatGPT-User OpenAI live retrieval 3.5% 1,051 of 30,175 new
PerplexityBot Perplexity answer index 3.5% 1,050 of 30,175 new
FacebookBot Meta training 3.2% 980 of 30,175 new
YouBot You.com answer index 2.9% 887 of 30,175 new
ImagesiftBot ImageSift (Hive) training 2.8% 851 of 30,175 new
Timpibot Timpi training 2.8% 830 of 30,175 new
Scrapy Zyte (open-source framework) training 2.5% 744 of 30,175 new
AI2Bot Allen Institute for AI training 2.3% 702 of 30,175 new
OAI-SearchBot OpenAI answer index 2.1% 647 of 30,175 new
cohere-training-data-crawler Cohere training 2.0% 617 of 30,175 new
Meta-ExternalFetcher Meta live retrieval 1.8% 557 of 30,175 new
DuckAssistBot DuckDuckGo live retrieval 1.7% 515 of 30,175 new
PanguBot Huawei training 1.7% 515 of 30,175 new
Claude-User Anthropic live retrieval 1.6% 494 of 30,175 new
Claude-SearchBot Anthropic answer index 1.6% 479 of 30,175 new
Kangaroo Bot Kangaroo LLM training 1.5% 465 of 30,175 new
Perplexity-User Perplexity live retrieval 1.5% 465 of 30,175 new
MistralAI-User Mistral AI live retrieval 1.5% 442 of 30,175 new
Google-CloudVertexBot Google live retrieval 1.4% 421 of 30,175 new
GoogleOther Google training 1.3% 383 of 30,175 new
Meta-WebIndexer Meta answer index 1.2% 358 of 30,175 new
Applebot Apple answer index 1.1% 340 of 30,175 new
TikTokSpider ByteDance live retrieval 0.8% 253 of 30,175 new
Amzn-SearchBot Amazon answer index 0.8% 229 of 30,175 new
Amzn-User Amazon live retrieval 0.5% 163 of 30,175 new
MistralAI-Training Mistral AI training 0.5% 141 of 30,175 new
MistralAI-Index Mistral AI answer index 0.3% 76 of 30,175 new
facebookexternalhit Meta live retrieval 0.2% 53 of 30,175 new
Bingbot Microsoft answer index 0.1% 40 of 30,175 new
Googlebot-News Google answer index 0.1% 35 of 30,175 new
Meta-ExternalAds Meta training 0.1% 22 of 30,175 new
msnbot Microsoft answer index 0.1% 21 of 30,175 new
Googlebot Google answer index 0.1% 16 of 30,175 new
OAI-AdsBot OpenAI live retrieval 0.0% 10 of 30,175 new

Trend share of measured sites

% of sites20151050% of sites08-2209-1310-06block 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=448)16.5%.de (n=826)15.7%.fr (n=329)15.2%.jp (n=416)9.1%.com (n=14776)6.9%.br (n=372)6.2%.org (n=1667)5.6%.net (n=1302)4.3%.ru (n=1166)3.2%.in (n=304)3%.edu (n=472)2.3%.io (n=661)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, 2008-W35", 2008-08-31. https://crawlcensus.com/report/2008-W35

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