Weekly report · 2011-W49
The state of AI crawling
Measured on 30,004 reachable domains for the week ending 2011-12-11. 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.
30,004
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% | 2,061 of 30,000 | new |
| CCBot | Common Crawl Foundation | archive | 6.7% | 2,019 of 30,000 | new |
| Bytespider | ByteDance | training | 6.3% | 1,899 of 30,000 | new |
| ClaudeBot | Anthropic | training | 5.6% | 1,670 of 30,000 | new |
| Meta-ExternalAgent | Meta | training | 4.5% | 1,364 of 30,000 | new |
| Amazonbot | Amazon | training | 4.5% | 1,354 of 30,000 | new |
| Google-Extended | training | 4.4% | 1,334 of 30,000 | new | |
| Applebot-Extended | Apple | training | 4.3% | 1,305 of 30,000 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,282 of 30,000 | new |
| omgilibot | Webz.io | training | 4.2% | 1,262 of 30,000 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,178 of 30,000 | new |
| Diffbot | Diffbot | training | 3.9% | 1,172 of 30,000 | new |
| omgili | Webz.io | training | 3.8% | 1,149 of 30,000 | new |
| SemrushBot-OCOB | Semrush | training | 3.6% | 1,090 of 30,000 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,047 of 30,000 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,036 of 30,000 | new |
| FacebookBot | Meta | training | 3.2% | 949 of 30,000 | new |
| YouBot | You.com | answer index | 2.9% | 871 of 30,000 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 820 of 30,000 | new |
| Timpibot | Timpi | training | 2.7% | 806 of 30,000 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 722 of 30,000 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 664 of 30,000 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 628 of 30,000 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 596 of 30,000 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 535 of 30,000 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 496 of 30,000 | new |
| PanguBot | Huawei | training | 1.6% | 488 of 30,000 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 477 of 30,000 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 466 of 30,000 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 446 of 30,000 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 446 of 30,000 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 432 of 30,000 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 388 of 30,000 | new | |
| GoogleOther | training | 1.2% | 351 of 30,000 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 347 of 30,000 | new |
| Applebot | Apple | answer index | 1.1% | 333 of 30,000 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 245 of 30,000 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 218 of 30,000 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 151 of 30,000 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 112 of 30,000 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 71 of 30,000 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,000 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,000 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,000 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,000 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 30,000 | new |
| Googlebot | answer index | 0.1% | 17 of 30,000 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 30,000 | 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-W49", 2011-12-11. https://crawlcensus.com/report/2011-W49Machine-readable: census totals, full corpus, crawler registry. Method: methodology.