Weekly report · 2023-W37
The state of AI crawling
Measured on 30,536 reachable domains for the week ending 2023-09-17. 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.
30,536
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% | 3,477 of 30,534 | new |
| CCBot | Common Crawl Foundation | archive | 11.2% | 3,413 of 30,534 | new |
| Bytespider | ByteDance | training | 10.7% | 3,278 of 30,534 | new |
| ClaudeBot | Anthropic | training | 10.0% | 3,052 of 30,534 | new |
| Google-Extended | training | 9.0% | 2,750 of 30,534 | new | |
| Meta-ExternalAgent | Meta | training | 9.0% | 2,749 of 30,534 | new |
| Amazonbot | Amazon | training | 9.0% | 2,737 of 30,534 | new |
| Applebot-Extended | Apple | training | 8.8% | 2,673 of 30,534 | new |
| anthropic-ai | Anthropic | training | 4.2% | 1,288 of 30,534 | new |
| omgilibot | Webz.io | training | 4.2% | 1,278 of 30,534 | new |
| Diffbot | Diffbot | training | 3.9% | 1,180 of 30,534 | new |
| omgili | Webz.io | training | 3.8% | 1,161 of 30,534 | new |
| cohere-ai | Cohere | live retrieval | 3.8% | 1,151 of 30,534 | new |
| SemrushBot-OCOB | Semrush | training | 3.8% | 1,151 of 30,534 | new |
| PerplexityBot | Perplexity | answer index | 3.7% | 1,115 of 30,534 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.6% | 1,111 of 30,534 | new |
| FacebookBot | Meta | training | 3.3% | 993 of 30,534 | new |
| YouBot | You.com | answer index | 2.8% | 869 of 30,534 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 845 of 30,534 | new |
| Timpibot | Timpi | training | 2.7% | 837 of 30,534 | new |
| Scrapy | Zyte (open-source framework) | training | 2.3% | 717 of 30,534 | new |
| OAI-SearchBot | OpenAI | answer index | 2.3% | 700 of 30,534 | new |
| AI2Bot | Allen Institute for AI | training | 2.2% | 687 of 30,534 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 599 of 30,534 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.8% | 535 of 30,534 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 530 of 30,534 | new |
| PanguBot | Huawei | training | 1.7% | 520 of 30,534 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 484 of 30,534 | new |
| Claude-User | Anthropic | live retrieval | 1.6% | 476 of 30,534 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 462 of 30,534 | new |
| Perplexity-User | Perplexity | live retrieval | 1.5% | 452 of 30,534 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.4% | 430 of 30,534 | new |
| Applebot | Apple | answer index | 1.2% | 368 of 30,534 | new |
| Google-CloudVertexBot | live retrieval | 1.2% | 359 of 30,534 | new | |
| Meta-WebIndexer | Meta | answer index | 1.1% | 348 of 30,534 | new |
| GoogleOther | training | 1.1% | 337 of 30,534 | new | |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 255 of 30,534 | new |
| Amzn-SearchBot | Amazon | answer index | 0.7% | 216 of 30,534 | new |
| Amzn-User | Amazon | live retrieval | 0.4% | 129 of 30,534 | new |
| MistralAI-Index | Mistral AI | answer index | 0.2% | 67 of 30,534 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 57 of 30,534 | new |
| MistralAI-Training | Mistral AI | training | 0.2% | 55 of 30,534 | new |
| Bingbot | Microsoft | answer index | 0.1% | 43 of 30,534 | new |
| Googlebot-News | answer index | 0.1% | 39 of 30,534 | new | |
| msnbot | Microsoft | answer index | 0.1% | 24 of 30,534 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 20 of 30,534 | new |
| Googlebot | answer index | 0.1% | 16 of 30,534 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 2 of 30,534 | 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-W37", 2023-09-17. https://crawlcensus.com/report/2023-W37Machine-readable: census totals, full corpus, crawler registry. Method: methodology.