Weekly report · 2013-W50
The state of AI crawling
Measured on 30,309 reachable domains for the week ending 2013-12-15. 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.
30,309
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 | 8.0% | 2,435 of 30,307 | new |
| CCBot | Common Crawl Foundation | archive | 7.8% | 2,378 of 30,307 | new |
| Bytespider | ByteDance | training | 7.4% | 2,240 of 30,307 | new |
| ClaudeBot | Anthropic | training | 6.6% | 2,003 of 30,307 | new |
| Amazonbot | Amazon | training | 5.7% | 1,723 of 30,307 | new |
| Meta-ExternalAgent | Meta | training | 5.7% | 1,713 of 30,307 | new |
| Google-Extended | training | 5.5% | 1,679 of 30,307 | new | |
| Applebot-Extended | Apple | training | 5.5% | 1,653 of 30,307 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,265 of 30,307 | new |
| omgilibot | Webz.io | training | 4.1% | 1,243 of 30,307 | new |
| cohere-ai | Cohere | live retrieval | 3.9% | 1,175 of 30,307 | new |
| Diffbot | Diffbot | training | 3.8% | 1,158 of 30,307 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,145 of 30,307 | new |
| omgili | Webz.io | training | 3.7% | 1,127 of 30,307 | new |
| PerplexityBot | Perplexity | answer index | 3.5% | 1,059 of 30,307 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.5% | 1,047 of 30,307 | new |
| FacebookBot | Meta | training | 3.2% | 957 of 30,307 | new |
| YouBot | You.com | answer index | 2.9% | 879 of 30,307 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 828 of 30,307 | new |
| Timpibot | Timpi | training | 2.7% | 808 of 30,307 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 722 of 30,307 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 661 of 30,307 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 646 of 30,307 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 600 of 30,307 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 537 of 30,307 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 508 of 30,307 | new |
| PanguBot | Huawei | training | 1.6% | 498 of 30,307 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 471 of 30,307 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 469 of 30,307 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 453 of 30,307 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 444 of 30,307 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 425 of 30,307 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 369 of 30,307 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 355 of 30,307 | new |
| GoogleOther | training | 1.1% | 348 of 30,307 | new | |
| Applebot | Apple | answer index | 1.1% | 334 of 30,307 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,307 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 214 of 30,307 | new |
| Amzn-User | Amazon | live retrieval | 0.5% | 143 of 30,307 | new |
| MistralAI-Training | Mistral AI | training | 0.3% | 79 of 30,307 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 69 of 30,307 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 54 of 30,307 | new |
| Bingbot | Microsoft | answer index | 0.1% | 39 of 30,307 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,307 | new | |
| msnbot | Microsoft | answer index | 0.1% | 26 of 30,307 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,307 | new |
| Googlebot | answer index | 0.1% | 17 of 30,307 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 6 of 30,307 | 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-W50", 2013-12-15. https://crawlcensus.com/report/2013-W50
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.