Weekly report · 2004-W36
The state of AI crawling
Measured on 30,436 reachable domains for the week ending 2004-09-05. 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.
30,436
domains measured
7%
block an answer engine
20%
refuse AI agents at the edge
14%
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 | 7.2% | 2,189 of 30,435 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,078 of 30,435 | new |
| Bytespider | ByteDance | training | 6.6% | 2,001 of 30,435 | new |
| ClaudeBot | Anthropic | training | 5.9% | 1,786 of 30,435 | new |
| Amazonbot | Amazon | training | 4.9% | 1,484 of 30,435 | new |
| Applebot-Extended | Apple | training | 4.8% | 1,469 of 30,435 | new |
| Meta-ExternalAgent | Meta | training | 4.8% | 1,467 of 30,435 | new |
| Google-Extended | training | 4.8% | 1,450 of 30,435 | new | |
| anthropic-ai | Anthropic | training | 4.5% | 1,359 of 30,435 | new |
| omgilibot | Webz.io | training | 4.5% | 1,356 of 30,435 | new |
| Diffbot | Diffbot | training | 4.2% | 1,286 of 30,435 | new |
| cohere-ai | Cohere | live retrieval | 4.2% | 1,274 of 30,435 | new |
| omgili | Webz.io | training | 4.1% | 1,243 of 30,435 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,120 of 30,435 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,042 of 30,435 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,041 of 30,435 | new |
| FacebookBot | Meta | training | 3.2% | 961 of 30,435 | new |
| YouBot | You.com | answer index | 3.0% | 902 of 30,435 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 840 of 30,435 | new |
| Timpibot | Timpi | training | 2.7% | 828 of 30,435 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 724 of 30,435 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 705 of 30,435 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 630 of 30,435 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 619 of 30,435 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 533 of 30,435 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 526 of 30,435 | new |
| PanguBot | Huawei | training | 1.7% | 516 of 30,435 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 503 of 30,435 | new |
| Google-CloudVertexBot | live retrieval | 1.6% | 489 of 30,435 | new | |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 482 of 30,435 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 480 of 30,435 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 468 of 30,435 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 452 of 30,435 | new |
| GoogleOther | training | 1.5% | 450 of 30,435 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 363 of 30,435 | new |
| Applebot | Apple | answer index | 1.2% | 355 of 30,435 | new |
| TikTokSpider | ByteDance | live retrieval | 0.9% | 259 of 30,435 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 245 of 30,435 | new |
| MistralAI-Training | Mistral AI | training | 0.7% | 219 of 30,435 | new |
| Amzn-User | Amazon | live retrieval | 0.6% | 183 of 30,435 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 93 of 30,435 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 50 of 30,435 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,435 | new | |
| Bingbot | Microsoft | answer index | 0.1% | 37 of 30,435 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 24 of 30,435 | new |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,435 | new |
| Googlebot | answer index | 0.1% | 17 of 30,435 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 12 of 30,435 | 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, 2004-W36", 2004-09-05. https://crawlcensus.com/report/2004-W36
Machine-readable: census totals, full corpus, crawler registry. Method: methodology.