Weekly report · 2013-W38
The state of AI crawling
Measured on 30,286 reachable domains for the week ending 2013-09-22. 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.
30,286
domains measured
6%
block an answer engine
19%
refuse AI agents at the edge
13%
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 | 7.8% | 2,367 of 30,288 | new |
| CCBot | Common Crawl Foundation | archive | 7.6% | 2,314 of 30,288 | new |
| Bytespider | ByteDance | training | 7.2% | 2,180 of 30,288 | new |
| ClaudeBot | Anthropic | training | 6.4% | 1,938 of 30,288 | new |
| Amazonbot | Amazon | training | 5.5% | 1,662 of 30,288 | new |
| Meta-ExternalAgent | Meta | training | 5.4% | 1,650 of 30,288 | new |
| Google-Extended | training | 5.3% | 1,614 of 30,288 | new | |
| Applebot-Extended | Apple | training | 5.2% | 1,588 of 30,288 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,261 of 30,288 | new |
| omgilibot | Webz.io | training | 4.1% | 1,241 of 30,288 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,171 of 30,288 | new |
| Diffbot | Diffbot | training | 3.8% | 1,155 of 30,288 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,142 of 30,288 | new |
| omgili | Webz.io | training | 3.7% | 1,125 of 30,288 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,054 of 30,288 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,042 of 30,288 | new |
| FacebookBot | Meta | training | 3.1% | 952 of 30,288 | new |
| YouBot | You.com | answer index | 2.9% | 876 of 30,288 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 826 of 30,288 | new |
| Timpibot | Timpi | training | 2.7% | 806 of 30,288 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 715 of 30,288 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 662 of 30,288 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 641 of 30,288 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 599 of 30,288 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 535 of 30,288 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 508 of 30,288 | new |
| PanguBot | Huawei | training | 1.6% | 498 of 30,288 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 472 of 30,288 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 472 of 30,288 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 454 of 30,288 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 446 of 30,288 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 428 of 30,288 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 366 of 30,288 | new | |
| GoogleOther | training | 1.2% | 351 of 30,288 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 351 of 30,288 | new |
| Applebot | Apple | answer index | 1.1% | 336 of 30,288 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,288 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 217 of 30,288 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 145 of 30,288 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 81 of 30,288 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 67 of 30,288 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 53 of 30,288 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,288 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,288 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,288 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,288 | new |
| Googlebot | answer index | 0.1% | 17 of 30,288 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 6 of 30,288 | 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, 2013-W38", 2013-09-22. https://crawlcensus.com/report/2013-W38
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.