Weekly report · 2011-W18
The state of AI crawling
Measured on 30,017 reachable domains for the week ending 2011-05-08. 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.
30,017
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% | 2,092 of 30,014 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,042 of 30,014 | new |
| Bytespider | ByteDance | training | 6.4% | 1,916 of 30,014 | new |
| ClaudeBot | Anthropic | training | 5.7% | 1,700 of 30,014 | new |
| Meta-ExternalAgent | Meta | training | 4.6% | 1,384 of 30,014 | new |
| Amazonbot | Amazon | training | 4.6% | 1,369 of 30,014 | new |
| Google-Extended | training | 4.5% | 1,358 of 30,014 | new | |
| Applebot-Extended | Apple | training | 4.4% | 1,332 of 30,014 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,298 of 30,014 | new |
| omgilibot | Webz.io | training | 4.2% | 1,273 of 30,014 | new |
| cohere-ai | Cohere | live retrieval | 4.0% | 1,196 of 30,014 | new |
| Diffbot | Diffbot | training | 4.0% | 1,191 of 30,014 | new |
| omgili | Webz.io | training | 3.9% | 1,159 of 30,014 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,098 of 30,014 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,043 of 30,014 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,038 of 30,014 | new |
| FacebookBot | Meta | training | 3.2% | 961 of 30,014 | new |
| YouBot | You.com | answer index | 2.9% | 878 of 30,014 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 838 of 30,014 | new |
| Timpibot | Timpi | training | 2.7% | 817 of 30,014 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 731 of 30,014 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 681 of 30,014 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 631 of 30,014 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 602 of 30,014 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 539 of 30,014 | new |
| PanguBot | Huawei | training | 1.7% | 502 of 30,014 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 500 of 30,014 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 478 of 30,014 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 464 of 30,014 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,014 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 449 of 30,014 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 431 of 30,014 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 396 of 30,014 | new | |
| GoogleOther | training | 1.2% | 355 of 30,014 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 348 of 30,014 | new |
| Applebot | Apple | answer index | 1.1% | 330 of 30,014 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 246 of 30,014 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 30,014 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 151 of 30,014 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 119 of 30,014 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 73 of 30,014 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 30,014 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,014 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,014 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 30,014 | new |
| msnbot | Microsoft | answer index | 0.1% | 22 of 30,014 | new |
| Googlebot | answer index | 0.1% | 18 of 30,014 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 30,014 | 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-W18", 2011-05-08. https://crawlcensus.com/report/2011-W18Machine-readable: census totals, full corpus, crawler registry. Method: methodology.