Weekly report · 2012-W12
The state of AI crawling
Measured on 29,966 reachable domains for the week ending 2012-03-25. 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.
29,966
domains measured
6%
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
| Crawler | Operator | Content used for | Block rate | Sites | Week on week |
|---|---|---|---|---|---|
| GPTBot | OpenAI | training | 6.9% | 2,062 of 29,969 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,025 of 29,969 | new |
| Bytespider | ByteDance | training | 6.3% | 1,901 of 29,969 | new |
| ClaudeBot | Anthropic | training | 5.6% | 1,671 of 29,969 | new |
| Meta-ExternalAgent | Meta | training | 4.5% | 1,363 of 29,969 | new |
| Amazonbot | Amazon | training | 4.5% | 1,357 of 29,969 | new |
| Google-Extended | training | 4.5% | 1,336 of 29,969 | new | |
| Applebot-Extended | Apple | training | 4.4% | 1,309 of 29,969 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,284 of 29,969 | new |
| omgilibot | Webz.io | training | 4.2% | 1,262 of 29,969 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,180 of 29,969 | new |
| Diffbot | Diffbot | training | 3.9% | 1,174 of 29,969 | new |
| omgili | Webz.io | training | 3.8% | 1,150 of 29,969 | new |
| SemrushBot-OCOB | Semrush | training | 3.6% | 1,093 of 29,969 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,047 of 29,969 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,034 of 29,969 | new |
| FacebookBot | Meta | training | 3.2% | 950 of 29,969 | new |
| YouBot | You.com | answer index | 2.9% | 872 of 29,969 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 817 of 29,969 | new |
| Timpibot | Timpi | training | 2.7% | 804 of 29,969 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 721 of 29,969 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 660 of 29,969 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 624 of 29,969 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 593 of 29,969 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 533 of 29,969 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.6% | 494 of 29,969 | new |
| PanguBot | Huawei | training | 1.6% | 485 of 29,969 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 474 of 29,969 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 463 of 29,969 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 445 of 29,969 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 444 of 29,969 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 430 of 29,969 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 387 of 29,969 | new | |
| GoogleOther | training | 1.2% | 351 of 29,969 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 346 of 29,969 | new |
| Applebot | Apple | answer index | 1.1% | 333 of 29,969 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 245 of 29,969 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 29,969 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 150 of 29,969 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 111 of 29,969 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 71 of 29,969 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 29,969 | new |
| Bingbot | Microsoft | answer index | 0.1% | 38 of 29,969 | new |
| Googlebot-News | answer index | 0.1% | 37 of 29,969 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 29,969 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 29,969 | new |
| Googlebot | answer index | 0.1% | 16 of 29,969 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 29,969 | new |
Trend share of measured sites
Where the blocking is share blocking an answer engine, by top-level domain
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.
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, 2012-W12", 2012-03-25. https://crawlcensus.com/report/2012-W12
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.