Weekly report · 2004-W38
The state of AI crawling
Measured on 30,437 reachable domains for the week ending 2004-09-19. 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.
30,437
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% | 2,187 of 30,439 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,076 of 30,439 | new |
| Bytespider | ByteDance | training | 6.6% | 1,999 of 30,439 | new |
| ClaudeBot | Anthropic | training | 5.9% | 1,784 of 30,439 | new |
| Amazonbot | Amazon | training | 4.9% | 1,482 of 30,439 | new |
| Applebot-Extended | Apple | training | 4.8% | 1,466 of 30,439 | new |
| Meta-ExternalAgent | Meta | training | 4.8% | 1,465 of 30,439 | new |
| Google-Extended | training | 4.8% | 1,448 of 30,439 | new | |
| anthropic-ai | Anthropic | training | 4.5% | 1,357 of 30,439 | new |
| omgilibot | Webz.io | training | 4.4% | 1,354 of 30,439 | new |
| Diffbot | Diffbot | training | 4.2% | 1,284 of 30,439 | new |
| cohere-ai | Cohere | live retrieval | 4.2% | 1,272 of 30,439 | new |
| omgili | Webz.io | training | 4.1% | 1,241 of 30,439 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,119 of 30,439 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,042 of 30,439 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,041 of 30,439 | new |
| FacebookBot | Meta | training | 3.2% | 961 of 30,439 | new |
| YouBot | You.com | answer index | 3.0% | 902 of 30,439 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 840 of 30,439 | new |
| Timpibot | Timpi | training | 2.7% | 828 of 30,439 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 724 of 30,439 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 705 of 30,439 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 630 of 30,439 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 619 of 30,439 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.8% | 533 of 30,439 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 526 of 30,439 | new |
| PanguBot | Huawei | training | 1.7% | 516 of 30,439 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 503 of 30,439 | new |
| Google-CloudVertexBot | live retrieval | 1.6% | 487 of 30,439 | new | |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 482 of 30,439 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 480 of 30,439 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 468 of 30,439 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 452 of 30,439 | new |
| GoogleOther | training | 1.5% | 448 of 30,439 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 363 of 30,439 | new |
| Applebot | Apple | answer index | 1.2% | 354 of 30,439 | new |
| TikTokSpider | ByteDance | live retrieval | 0.9% | 259 of 30,439 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 245 of 30,439 | new |
| MistralAI-Training | Mistral AI | training | 0.7% | 217 of 30,439 | new |
| Amzn-User | Amazon | live retrieval | 0.6% | 183 of 30,439 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 93 of 30,439 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 50 of 30,439 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,439 | new | |
| Bingbot | Microsoft | answer index | 0.1% | 37 of 30,439 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 24 of 30,439 | new |
| msnbot | Microsoft | answer index | 0.1% | 19 of 30,439 | new |
| Googlebot | answer index | 0.1% | 17 of 30,439 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 12 of 30,439 | 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-W38", 2004-09-19. https://crawlcensus.com/report/2004-W38Machine-readable: census totals, full corpus, crawler registry. Method: methodology.