Weekly report · 2001-W48
The state of AI crawling
Measured on 30,020 reachable domains for the week ending 2001-12-02. 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.
30,020
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 | 9.0% | 2,692 of 30,020 | new |
| CCBot | Common Crawl Foundation | archive | 8.7% | 2,621 of 30,020 | new |
| Bytespider | ByteDance | training | 8.5% | 2,555 of 30,020 | new |
| ClaudeBot | Anthropic | training | 7.7% | 2,319 of 30,020 | new |
| Meta-ExternalAgent | Meta | training | 6.9% | 2,066 of 30,020 | new |
| Amazonbot | Amazon | training | 6.8% | 2,032 of 30,020 | new |
| Applebot-Extended | Apple | training | 6.7% | 2,024 of 30,020 | new |
| Google-Extended | training | 6.7% | 2,009 of 30,020 | new | |
| anthropic-ai | Anthropic | training | 6.5% | 1,937 of 30,020 | new |
| omgilibot | Webz.io | training | 6.3% | 1,905 of 30,020 | new |
| Diffbot | Diffbot | training | 6.2% | 1,860 of 30,020 | new |
| cohere-ai | Cohere | live retrieval | 6.2% | 1,851 of 30,020 | new |
| omgili | Webz.io | training | 6.0% | 1,795 of 30,020 | new |
| Google-CloudVertexBot | live retrieval | 3.6% | 1,079 of 30,020 | new | |
| SemrushBot-OCOB | Semrush | training | 3.5% | 1,054 of 30,020 | new |
| GoogleOther | training | 3.5% | 1,040 of 30,020 | new | |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,026 of 30,020 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.3% | 997 of 30,020 | new |
| FacebookBot | Meta | training | 3.1% | 932 of 30,020 | new |
| YouBot | You.com | answer index | 3.0% | 893 of 30,020 | new |
| MistralAI-Training | Mistral AI | training | 2.8% | 839 of 30,020 | new |
| Timpibot | Timpi | training | 2.7% | 822 of 30,020 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.7% | 817 of 30,020 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 722 of 30,020 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 700 of 30,020 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 618 of 30,020 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 612 of 30,020 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 550 of 30,020 | new |
| PanguBot | Huawei | training | 1.7% | 512 of 30,020 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 507 of 30,020 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 497 of 30,020 | new |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 478 of 30,020 | new |
| Claude-SearchBot | Anthropic | answer index | 1.5% | 461 of 30,020 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 457 of 30,020 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 442 of 30,020 | new |
| Meta-WebIndexer | Meta | answer index | 1.3% | 390 of 30,020 | new |
| Applebot | Apple | answer index | 1.2% | 360 of 30,020 | new |
| Amzn-SearchBot | Amazon | answer index | 0.9% | 256 of 30,020 | new |
| TikTokSpider | ByteDance | live retrieval | 0.8% | 250 of 30,020 | new |
| Amzn-User | Amazon | live retrieval | 0.7% | 205 of 30,020 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 105 of 30,020 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 56 of 30,020 | new |
| Googlebot-News | answer index | 0.1% | 39 of 30,020 | new | |
| Bingbot | Microsoft | answer index | 0.1% | 37 of 30,020 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 36 of 30,020 | new |
| Googlebot | answer index | 0.1% | 19 of 30,020 | new | |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,020 | new |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 11 of 30,020 | 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-W48", 2001-12-02. https://crawlcensus.com/report/2001-W48
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.