Weekly report · 2012-W21
The state of AI crawling
Measured on 29,991 reachable domains for the week ending 2012-05-27. 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.
29,991
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% | 2,060 of 29,993 | new |
| CCBot | Common Crawl Foundation | archive | 6.7% | 2,023 of 29,993 | new |
| Bytespider | ByteDance | training | 6.3% | 1,895 of 29,993 | new |
| ClaudeBot | Anthropic | training | 5.6% | 1,666 of 29,993 | new |
| Meta-ExternalAgent | Meta | training | 4.5% | 1,360 of 29,993 | new |
| Amazonbot | Amazon | training | 4.5% | 1,352 of 29,993 | new |
| Google-Extended | training | 4.4% | 1,334 of 29,993 | new | |
| Applebot-Extended | Apple | training | 4.3% | 1,302 of 29,993 | new |
| anthropic-ai | Anthropic | training | 4.3% | 1,280 of 29,993 | new |
| omgilibot | Webz.io | training | 4.2% | 1,261 of 29,993 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,177 of 29,993 | new |
| Diffbot | Diffbot | training | 3.9% | 1,173 of 29,993 | new |
| omgili | Webz.io | training | 3.8% | 1,148 of 29,993 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,095 of 29,993 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,048 of 29,993 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,038 of 29,993 | new |
| FacebookBot | Meta | training | 3.2% | 952 of 29,993 | new |
| YouBot | You.com | answer index | 2.9% | 874 of 29,993 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 818 of 29,993 | new |
| Timpibot | Timpi | training | 2.7% | 804 of 29,993 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 721 of 29,993 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 660 of 29,993 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 624 of 29,993 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 593 of 29,993 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 534 of 29,993 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.6% | 494 of 29,993 | new |
| PanguBot | Huawei | training | 1.6% | 485 of 29,993 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 474 of 29,993 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 463 of 29,993 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 445 of 29,993 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 444 of 29,993 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 430 of 29,993 | new |
| Google-CloudVertexBot | live retrieval | 1.3% | 382 of 29,993 | new | |
| GoogleOther | training | 1.2% | 347 of 29,993 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 346 of 29,993 | new |
| Applebot | Apple | answer index | 1.1% | 330 of 29,993 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 243 of 29,993 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 215 of 29,993 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 150 of 29,993 | new |
| MistralAI-Training | Mistral AI | training | 0.4% | 107 of 29,993 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 71 of 29,993 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 51 of 29,993 | new |
| Bingbot | Microsoft | answer index | 0.1% | 37 of 29,993 | new |
| Googlebot-News | answer index | 0.1% | 37 of 29,993 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 22 of 29,993 | new |
| msnbot | Microsoft | answer index | 0.1% | 21 of 29,993 | new |
| Googlebot | answer index | 0.1% | 16 of 29,993 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 9 of 29,993 | 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-W21", 2012-05-27. https://crawlcensus.com/report/2012-W21Machine-readable: census totals, full corpus, crawler registry. Method: methodology.