Weekly report · 2001-W35
The state of AI crawling
Measured on 30,006 reachable domains for the week ending 2001-09-02. 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.
30,006
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 | 9.5% | 2,856 of 30,004 | new |
| CCBot | Common Crawl Foundation | archive | 9.3% | 2,792 of 30,004 | new |
| Bytespider | ByteDance | training | 9.1% | 2,726 of 30,004 | new |
| ClaudeBot | Anthropic | training | 8.3% | 2,487 of 30,004 | new |
| Meta-ExternalAgent | Meta | training | 7.5% | 2,247 of 30,004 | new |
| Amazonbot | Amazon | training | 7.4% | 2,209 of 30,004 | new |
| Applebot-Extended | Apple | training | 7.3% | 2,194 of 30,004 | new |
| Google-Extended | training | 7.3% | 2,182 of 30,004 | new | |
| anthropic-ai | Anthropic | training | 7.0% | 2,102 of 30,004 | new |
| omgilibot | Webz.io | training | 6.9% | 2,080 of 30,004 | new |
| Diffbot | Diffbot | training | 6.8% | 2,034 of 30,004 | new |
| cohere-ai | Cohere | live retrieval | 6.8% | 2,026 of 30,004 | new |
| omgili | Webz.io | training | 6.6% | 1,969 of 30,004 | new |
| Google-CloudVertexBot | live retrieval | 4.2% | 1,261 of 30,004 | new | |
| GoogleOther | training | 4.1% | 1,221 of 30,004 | new | |
| SemrushBot-OCOB | Semrush | training | 3.5% | 1,058 of 30,004 | new |
| MistralAI-Training | Mistral AI | training | 3.4% | 1,026 of 30,004 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,023 of 30,004 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.3% | 992 of 30,004 | new |
| FacebookBot | Meta | training | 3.1% | 930 of 30,004 | new |
| YouBot | You.com | answer index | 3.0% | 888 of 30,004 | new |
| Timpibot | Timpi | training | 2.7% | 823 of 30,004 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 820 of 30,004 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 715 of 30,004 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 700 of 30,004 | new |
| cohere-training-data-crawler | Cohere | training | 2.1% | 618 of 30,004 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 618 of 30,004 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 554 of 30,004 | new |
| PanguBot | Huawei | training | 1.7% | 508 of 30,004 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 502 of 30,004 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 501 of 30,004 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 479 of 30,004 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 466 of 30,004 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 461 of 30,004 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 441 of 30,004 | new |
| Meta-WebIndexer | Meta | answer index | 1.3% | 395 of 30,004 | new |
| Applebot | Apple | answer index | 1.2% | 360 of 30,004 | new |
| Amzn-SearchBot | Amazon | answer index | 0.9% | 260 of 30,004 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 251 of 30,004 | new |
| Amzn-User | Amazon | live retrieval | 0.7% | 207 of 30,004 | new |
| MistralAI-Index | Mistral AI | answer index | 0.4% | 111 of 30,004 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 57 of 30,004 | new |
| Googlebot-News | answer index | 0.1% | 39 of 30,004 | new | |
| Meta-ExternalAds | Meta | training | 0.1% | 37 of 30,004 | new |
| Bingbot | Microsoft | answer index | 0.1% | 36 of 30,004 | new |
| Googlebot | answer index | 0.1% | 19 of 30,004 | new | |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,004 | new |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 14 of 30,004 | 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-W35", 2001-09-02. https://crawlcensus.com/report/2001-W35
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.