Weekly report · 2011-W52
The state of AI crawling
Measured on 29,987 reachable domains for the week ending 2012-01-01. 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.
29,987
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% | 2,059 of 29,986 | new |
| CCBot | Common Crawl Foundation | archive | 6.7% | 2,022 of 29,986 | new |
| Bytespider | ByteDance | training | 6.3% | 1,900 of 29,986 | new |
| ClaudeBot | Anthropic | training | 5.6% | 1,670 of 29,986 | new |
| Meta-ExternalAgent | Meta | training | 4.6% | 1,365 of 29,986 | new |
| Amazonbot | Amazon | training | 4.5% | 1,354 of 29,986 | new |
| Google-Extended | training | 4.5% | 1,336 of 29,986 | new | |
| Applebot-Extended | Apple | training | 4.4% | 1,305 of 29,986 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,285 of 29,986 | new |
| omgilibot | Webz.io | training | 4.2% | 1,263 of 29,986 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,178 of 29,986 | new |
| Diffbot | Diffbot | training | 3.9% | 1,172 of 29,986 | new |
| omgili | Webz.io | training | 3.8% | 1,150 of 29,986 | new |
| SemrushBot-OCOB | Semrush | training | 3.6% | 1,086 of 29,986 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,047 of 29,986 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,037 of 29,986 | new |
| FacebookBot | Meta | training | 3.2% | 951 of 29,986 | new |
| YouBot | You.com | answer index | 2.9% | 871 of 29,986 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 817 of 29,986 | new |
| Timpibot | Timpi | training | 2.7% | 805 of 29,986 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 719 of 29,986 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 662 of 29,986 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 628 of 29,986 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 595 of 29,986 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 532 of 29,986 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 495 of 29,986 | new |
| PanguBot | Huawei | training | 1.6% | 485 of 29,986 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 476 of 29,986 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 465 of 29,986 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 447 of 29,986 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 445 of 29,986 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 431 of 29,986 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 386 of 29,986 | new | |
| GoogleOther | training | 1.2% | 350 of 29,986 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 345 of 29,986 | new |
| Applebot | Apple | answer index | 1.1% | 332 of 29,986 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 245 of 29,986 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 219 of 29,986 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 151 of 29,986 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 111 of 29,986 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 71 of 29,986 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 29,986 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 29,986 | new |
| Googlebot-News | answer index | 0.1% | 38 of 29,986 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 29,986 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 29,986 | new |
| Googlebot | answer index | 0.1% | 17 of 29,986 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 29,986 | 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, 2011-W52", 2012-01-01. https://crawlcensus.com/report/2011-W52Machine-readable: census totals, full corpus, crawler registry. Method: methodology.