Weekly report · 2017-W37
The state of AI crawling
Measured on 30,476 reachable domains for the week ending 2017-09-17. 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.
30,476
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 | 11.3% | 3,455 of 30,474 | new |
| CCBot | Common Crawl Foundation | archive | 11.1% | 3,395 of 30,474 | new |
| Bytespider | ByteDance | training | 10.7% | 3,269 of 30,474 | new |
| ClaudeBot | Anthropic | training | 10.0% | 3,040 of 30,474 | new |
| Google-Extended | training | 9.0% | 2,737 of 30,474 | new | |
| Meta-ExternalAgent | Meta | training | 9.0% | 2,737 of 30,474 | new |
| Amazonbot | Amazon | training | 9.0% | 2,730 of 30,474 | new |
| Applebot-Extended | Apple | training | 8.7% | 2,665 of 30,474 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,276 of 30,474 | new |
| omgilibot | Webz.io | training | 4.2% | 1,266 of 30,474 | new |
| Diffbot | Diffbot | training | 3.9% | 1,175 of 30,474 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,153 of 30,474 | new |
| omgili | Webz.io | training | 3.8% | 1,151 of 30,474 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,135 of 30,474 | new |
| PerplexityBot | Perplexity | answer index | 3.6% | 1,105 of 30,474 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,097 of 30,474 | new |
| FacebookBot | Meta | training | 3.2% | 988 of 30,474 | new |
| YouBot | You.com | answer index | 2.9% | 876 of 30,474 | new |
| Timpibot | Timpi | training | 2.7% | 835 of 30,474 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 834 of 30,474 | new |
| Scrapy | Zyte (open-source framework) | training | 2.3% | 715 of 30,474 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 687 of 30,474 | new |
| OAI-SearchBot | OpenAI | answer index | 2.3% | 687 of 30,474 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 598 of 30,474 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 531 of 30,474 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 530 of 30,474 | new |
| PanguBot | Huawei | training | 1.7% | 518 of 30,474 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 484 of 30,474 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 476 of 30,474 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 461 of 30,474 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 448 of 30,474 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 428 of 30,474 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 354 of 30,474 | new | |
| Applebot | Apple | answer index | 1.1% | 350 of 30,474 | new |
| Meta-WebIndexer | Meta | answer index | 1.1% | 350 of 30,474 | new |
| GoogleOther | training | 1.1% | 334 of 30,474 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,474 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 222 of 30,474 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 130 of 30,474 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 69 of 30,474 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 57 of 30,474 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 57 of 30,474 | new |
| Bingbot | Microsoft | answer index | 0.1% | 41 of 30,474 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,474 | new | |
| msnbot | Microsoft | answer index | 0.1% | 27 of 30,474 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,474 | new |
| Googlebot | answer index | 0.1% | 16 of 30,474 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 3 of 30,474 | 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, 2017-W37", 2017-09-17. https://crawlcensus.com/report/2017-W37Machine-readable: census totals, full corpus, crawler registry. Method: methodology.