Weekly report · 2019-W48
The state of AI crawling
Measured on 30,583 reachable domains for the week ending 2019-12-01. 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.
30,583
domains measured
7%
block an answer engine
18%
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 | 11.4% | 3,492 of 30,584 | new |
| CCBot | Common Crawl Foundation | archive | 11.2% | 3,427 of 30,584 | new |
| Bytespider | ByteDance | training | 10.8% | 3,295 of 30,584 | new |
| ClaudeBot | Anthropic | training | 10.0% | 3,063 of 30,584 | new |
| Google-Extended | training | 9.0% | 2,766 of 30,584 | new | |
| Meta-ExternalAgent | Meta | training | 9.0% | 2,758 of 30,584 | new |
| Amazonbot | Amazon | training | 9.0% | 2,747 of 30,584 | new |
| Applebot-Extended | Apple | training | 8.8% | 2,686 of 30,584 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,291 of 30,584 | new |
| omgilibot | Webz.io | training | 4.2% | 1,280 of 30,584 | new |
| Diffbot | Diffbot | training | 3.9% | 1,182 of 30,584 | new |
| omgili | Webz.io | training | 3.8% | 1,162 of 30,584 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,154 of 30,584 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,147 of 30,584 | new |
| PerplexityBot | Perplexity | answer index | 3.6% | 1,116 of 30,584 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,113 of 30,584 | new |
| FacebookBot | Meta | training | 3.3% | 994 of 30,584 | new |
| YouBot | You.com | answer index | 2.8% | 870 of 30,584 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 843 of 30,584 | new |
| Timpibot | Timpi | training | 2.7% | 835 of 30,584 | new |
| Scrapy | Zyte (open-source framework) | training | 2.3% | 715 of 30,584 | new |
| OAI-SearchBot | OpenAI | answer index | 2.3% | 695 of 30,584 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 685 of 30,584 | new |
| cohere-training-data-crawler | Cohere | training | 1.9% | 595 of 30,584 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 532 of 30,584 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 529 of 30,584 | new |
| PanguBot | Huawei | training | 1.7% | 516 of 30,584 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 482 of 30,584 | new |
| Claude-User | Anthropic | live retrieval | 1.5% | 474 of 30,584 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 458 of 30,584 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 450 of 30,584 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 427 of 30,584 | new |
| Applebot | Apple | answer index | 1.2% | 366 of 30,584 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 354 of 30,584 | new | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 348 of 30,584 | new |
| GoogleOther | training | 1.1% | 336 of 30,584 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 254 of 30,584 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 217 of 30,584 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 129 of 30,584 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 67 of 30,584 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 56 of 30,584 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 55 of 30,584 | new |
| Bingbot | Microsoft | answer index | 0.1% | 41 of 30,584 | new |
| Googlebot-News | answer index | 0.1% | 39 of 30,584 | new | |
| msnbot | Microsoft | answer index | 0.1% | 25 of 30,584 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,584 | new |
| Googlebot | answer index | 0.1% | 16 of 30,584 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 2 of 30,584 | 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, 2019-W48", 2019-12-01. https://crawlcensus.com/report/2019-W48Machine-readable: census totals, full corpus, crawler registry. Method: methodology.