Weekly report · 2023-W39
The state of AI crawling
Measured on 30,535 reachable domains for the week ending 2023-10-01. 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.
30,535
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% | 3,479 of 30,533 | new |
| CCBot | Common Crawl Foundation | archive | 11.2% | 3,414 of 30,533 | new |
| Bytespider | ByteDance | training | 10.7% | 3,280 of 30,533 | new |
| ClaudeBot | Anthropic | training | 10.0% | 3,053 of 30,533 | new |
| Google-Extended | training | 9.0% | 2,752 of 30,533 | new | |
| Meta-ExternalAgent | Meta | training | 9.0% | 2,750 of 30,533 | new |
| Amazonbot | Amazon | training | 9.0% | 2,737 of 30,533 | new |
| Applebot-Extended | Apple | training | 8.8% | 2,672 of 30,533 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,288 of 30,533 | new |
| omgilibot | Webz.io | training | 4.2% | 1,278 of 30,533 | new |
| Diffbot | Diffbot | training | 3.9% | 1,180 of 30,533 | new |
| omgili | Webz.io | training | 3.8% | 1,161 of 30,533 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,152 of 30,533 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,151 of 30,533 | new |
| PerplexityBot | Perplexity | answer index | 3.7% | 1,116 of 30,533 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,111 of 30,533 | new |
| FacebookBot | Meta | training | 3.3% | 994 of 30,533 | new |
| YouBot | You.com | answer index | 2.8% | 869 of 30,533 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 846 of 30,533 | new |
| Timpibot | Timpi | training | 2.7% | 837 of 30,533 | new |
| Scrapy | Zyte (open-source framework) | training | 2.3% | 717 of 30,533 | new |
| OAI-SearchBot | OpenAI | answer index | 2.3% | 701 of 30,533 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 687 of 30,533 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 599 of 30,533 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.8% | 535 of 30,533 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 530 of 30,533 | new |
| PanguBot | Huawei | training | 1.7% | 520 of 30,533 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 485 of 30,533 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 476 of 30,533 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 462 of 30,533 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 452 of 30,533 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 430 of 30,533 | new |
| Applebot | Apple | answer index | 1.2% | 367 of 30,533 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 359 of 30,533 | new | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 348 of 30,533 | new |
| GoogleOther | training | 1.1% | 337 of 30,533 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 256 of 30,533 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 30,533 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 129 of 30,533 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 67 of 30,533 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 58 of 30,533 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 55 of 30,533 | new |
| Bingbot | Microsoft | answer index | 0.1% | 44 of 30,533 | new |
| Googlebot-News | answer index | 0.1% | 40 of 30,533 | new | |
| msnbot | Microsoft | answer index | 0.1% | 24 of 30,533 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,533 | new |
| Googlebot | answer index | 0.1% | 16 of 30,533 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 2 of 30,533 | 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, 2023-W39", 2023-10-01. https://crawlcensus.com/report/2023-W39Machine-readable: census totals, full corpus, crawler registry. Method: methodology.