Weekly report · 2001-W39
The state of AI crawling
Measured on 30,003 reachable domains for the week ending 2001-09-30. 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.
30,003
domains measured
9%
block an answer engine
19%
refuse AI agents at the edge
15%
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 | 9.4% | 2,831 of 30,000 | new |
| CCBot | Common Crawl Foundation | archive | 9.2% | 2,767 of 30,000 | new |
| Bytespider | ByteDance | training | 9.0% | 2,701 of 30,000 | new |
| ClaudeBot | Anthropic | training | 8.2% | 2,464 of 30,000 | new |
| Meta-ExternalAgent | Meta | training | 7.4% | 2,224 of 30,000 | new |
| Amazonbot | Amazon | training | 7.3% | 2,184 of 30,000 | new |
| Applebot-Extended | Apple | training | 7.2% | 2,172 of 30,000 | new |
| Google-Extended | training | 7.2% | 2,156 of 30,000 | new | |
| anthropic-ai | Anthropic | training | 6.9% | 2,079 of 30,000 | new |
| omgilibot | Webz.io | training | 6.9% | 2,056 of 30,000 | new |
| Diffbot | Diffbot | training | 6.7% | 2,011 of 30,000 | new |
| cohere-ai | Cohere | live retrieval | 6.7% | 2,005 of 30,000 | new |
| omgili | Webz.io | training | 6.5% | 1,946 of 30,000 | new |
| Google-CloudVertexBot | live retrieval | 4.1% | 1,239 of 30,000 | new | |
| GoogleOther | training | 4.0% | 1,200 of 30,000 | new | |
| SemrushBot-OCOB | Semrush | training | 3.5% | 1,054 of 30,000 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,019 of 30,000 | new |
| MistralAI-Training | Mistral AI | training | 3.4% | 1,005 of 30,000 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.3% | 989 of 30,000 | new |
| FacebookBot | Meta | training | 3.1% | 927 of 30,000 | new |
| YouBot | You.com | answer index | 3.0% | 887 of 30,000 | new |
| Timpibot | Timpi | training | 2.7% | 820 of 30,000 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 817 of 30,000 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 714 of 30,000 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 699 of 30,000 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 617 of 30,000 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 616 of 30,000 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 553 of 30,000 | new |
| PanguBot | Huawei | training | 1.7% | 507 of 30,000 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 501 of 30,000 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 500 of 30,000 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 478 of 30,000 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 465 of 30,000 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 460 of 30,000 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 440 of 30,000 | new |
| Meta-WebIndexer | Meta | answer index | 1.3% | 394 of 30,000 | new |
| Applebot | Apple | answer index | 1.2% | 359 of 30,000 | new |
| Amzn-SearchBot | Amazon | answer index | 0.9% | 258 of 30,000 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 250 of 30,000 | new |
| Amzn-User | Amazon | live retrieval | 0.7% | 206 of 30,000 | new |
| MistralAI-Index | Mistral AI | answer index | 0.4% | 111 of 30,000 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 57 of 30,000 | new |
| Googlebot-News | answer index | 0.1% | 39 of 30,000 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 37 of 30,000 | new |
| Bingbot | Microsoft | answer index | 0.1% | 36 of 30,000 | new |
| Googlebot | answer index | 0.1% | 19 of 30,000 | new | |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,000 | new |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 14 of 30,000 | 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, 2001-W39", 2001-09-30. https://crawlcensus.com/report/2001-W39Machine-readable: census totals, full corpus, crawler registry. Method: methodology.