Weekly report · 2011-W21
The state of AI crawling
Measured on 30,010 reachable domains for the week ending 2011-05-29. 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.
30,010
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
| Crawler | Operator | Content used for | Block rate | Sites | Week on week |
|---|---|---|---|---|---|
| GPTBot | OpenAI | training | 7.0% | 2,089 of 30,005 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,041 of 30,005 | new |
| Bytespider | ByteDance | training | 6.4% | 1,915 of 30,005 | new |
| ClaudeBot | Anthropic | training | 5.7% | 1,699 of 30,005 | new |
| Meta-ExternalAgent | Meta | training | 4.6% | 1,382 of 30,005 | new |
| Amazonbot | Amazon | training | 4.6% | 1,369 of 30,005 | new |
| Google-Extended | training | 4.5% | 1,358 of 30,005 | new | |
| Applebot-Extended | Apple | training | 4.4% | 1,331 of 30,005 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,297 of 30,005 | new |
| omgilibot | Webz.io | training | 4.2% | 1,273 of 30,005 | new |
| cohere-ai | Cohere | live retrieval | 4.0% | 1,196 of 30,005 | new |
| Diffbot | Diffbot | training | 4.0% | 1,191 of 30,005 | new |
| omgili | Webz.io | training | 3.9% | 1,159 of 30,005 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,096 of 30,005 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,043 of 30,005 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,037 of 30,005 | new |
| FacebookBot | Meta | training | 3.2% | 962 of 30,005 | new |
| YouBot | You.com | answer index | 2.9% | 879 of 30,005 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 839 of 30,005 | new |
| Timpibot | Timpi | training | 2.7% | 817 of 30,005 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 731 of 30,005 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 681 of 30,005 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 631 of 30,005 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 602 of 30,005 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 538 of 30,005 | new |
| PanguBot | Huawei | training | 1.7% | 502 of 30,005 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 500 of 30,005 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 477 of 30,005 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 464 of 30,005 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,005 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 448 of 30,005 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 431 of 30,005 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 396 of 30,005 | new | |
| GoogleOther | training | 1.2% | 354 of 30,005 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 348 of 30,005 | new |
| Applebot | Apple | answer index | 1.1% | 330 of 30,005 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 247 of 30,005 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 30,005 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 150 of 30,005 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 118 of 30,005 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,005 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 30,005 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,005 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,005 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,005 | new |
| msnbot | Microsoft | answer index | 0.1% | 22 of 30,005 | new |
| Googlebot | answer index | 0.1% | 18 of 30,005 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 30,005 | 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-W21", 2011-05-29. https://crawlcensus.com/report/2011-W21
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.