Weekly report · 2013-W16
The state of AI crawling
Measured on 30,249 reachable domains for the week ending 2013-04-21. 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.
30,249
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 | 7.3% | 2,203 of 30,253 | new |
| CCBot | Common Crawl Foundation | archive | 7.1% | 2,154 of 30,253 | new |
| Bytespider | ByteDance | training | 6.7% | 2,019 of 30,253 | new |
| ClaudeBot | Anthropic | training | 5.9% | 1,774 of 30,253 | new |
| Amazonbot | Amazon | training | 4.9% | 1,494 of 30,253 | new |
| Meta-ExternalAgent | Meta | training | 4.9% | 1,490 of 30,253 | new |
| Google-Extended | training | 4.8% | 1,447 of 30,253 | new | |
| Applebot-Extended | Apple | training | 4.7% | 1,425 of 30,253 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,270 of 30,253 | new |
| omgilibot | Webz.io | training | 4.1% | 1,249 of 30,253 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,176 of 30,253 | new |
| Diffbot | Diffbot | training | 3.8% | 1,163 of 30,253 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,140 of 30,253 | new |
| omgili | Webz.io | training | 3.7% | 1,133 of 30,253 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,052 of 30,253 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,042 of 30,253 | new |
| FacebookBot | Meta | training | 3.2% | 954 of 30,253 | new |
| YouBot | You.com | answer index | 2.9% | 882 of 30,253 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 831 of 30,253 | new |
| Timpibot | Timpi | training | 2.7% | 808 of 30,253 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 718 of 30,253 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 666 of 30,253 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 639 of 30,253 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 603 of 30,253 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 537 of 30,253 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 508 of 30,253 | new |
| PanguBot | Huawei | training | 1.7% | 502 of 30,253 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 474 of 30,253 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 474 of 30,253 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 457 of 30,253 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 446 of 30,253 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 431 of 30,253 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 371 of 30,253 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 354 of 30,253 | new |
| GoogleOther | training | 1.2% | 352 of 30,253 | new | |
| Applebot | Apple | answer index | 1.1% | 337 of 30,253 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,253 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 221 of 30,253 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 149 of 30,253 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 84 of 30,253 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 68 of 30,253 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 52 of 30,253 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,253 | new |
| Googlebot-News | answer index | 0.1% | 37 of 30,253 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,253 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,253 | new |
| Googlebot | answer index | 0.1% | 17 of 30,253 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 7 of 30,253 | 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-W16", 2013-04-21. https://crawlcensus.com/report/2013-W16
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.