Weekly report · 2004-W16
The state of AI crawling
Measured on 30,438 reachable domains for the week ending 2004-04-18. 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.
30,438
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% | 2,186 of 30,437 | new |
| CCBot | Common Crawl Foundation | archive | 6.8% | 2,074 of 30,437 | new |
| Bytespider | ByteDance | training | 6.6% | 1,996 of 30,437 | new |
| ClaudeBot | Anthropic | training | 5.9% | 1,783 of 30,437 | new |
| Amazonbot | Amazon | training | 4.9% | 1,485 of 30,437 | new |
| Applebot-Extended | Apple | training | 4.8% | 1,467 of 30,437 | new |
| Meta-ExternalAgent | Meta | training | 4.8% | 1,463 of 30,437 | new |
| Google-Extended | training | 4.8% | 1,448 of 30,437 | new | |
| anthropic-ai | Anthropic | training | 4.5% | 1,356 of 30,437 | new |
| omgilibot | Webz.io | training | 4.4% | 1,352 of 30,437 | new |
| Diffbot | Diffbot | training | 4.2% | 1,283 of 30,437 | new |
| cohere-ai | Cohere | live retrieval | 4.2% | 1,272 of 30,437 | new |
| omgili | Webz.io | training | 4.1% | 1,240 of 30,437 | new |
| SemrushBot-OCOB | Semrush | training | 3.7% | 1,120 of 30,437 | new |
| PerplexityBot | Perplexity | answer index | 3.4% | 1,038 of 30,437 | new |
| ChatGPT-User | OpenAI | live retrieval | 3.4% | 1,036 of 30,437 | new |
| FacebookBot | Meta | training | 3.1% | 956 of 30,437 | new |
| YouBot | You.com | answer index | 3.0% | 900 of 30,437 | new |
| ImagesiftBot | ImageSift (Hive) | training | 2.8% | 838 of 30,437 | new |
| Timpibot | Timpi | training | 2.7% | 823 of 30,437 | new |
| Scrapy | Zyte (open-source framework) | training | 2.4% | 724 of 30,437 | new |
| AI2Bot | Allen Institute for AI | training | 2.3% | 704 of 30,437 | new |
| OAI-SearchBot | OpenAI | answer index | 2.1% | 628 of 30,437 | new |
| cohere-training-data-crawler | Cohere | training | 2.0% | 616 of 30,437 | new |
| Meta-ExternalFetcher | Meta | live retrieval | 1.7% | 530 of 30,437 | new |
| DuckAssistBot | DuckDuckGo | live retrieval | 1.7% | 525 of 30,437 | new |
| PanguBot | Huawei | training | 1.7% | 512 of 30,437 | new |
| Claude-User | Anthropic | live retrieval | 1.7% | 504 of 30,437 | new |
| Google-CloudVertexBot | live retrieval | 1.6% | 489 of 30,437 | new | |
| Perplexity-User | Perplexity | live retrieval | 1.6% | 482 of 30,437 | new |
| Claude-SearchBot | Anthropic | answer index | 1.6% | 481 of 30,437 | new |
| MistralAI-User | Mistral AI | live retrieval | 1.5% | 469 of 30,437 | new |
| Kangaroo Bot | Kangaroo LLM | training | 1.5% | 451 of 30,437 | new |
| GoogleOther | training | 1.5% | 450 of 30,437 | new | |
| Meta-WebIndexer | Meta | answer index | 1.2% | 363 of 30,437 | new |
| Applebot | Apple | answer index | 1.2% | 356 of 30,437 | new |
| TikTokSpider | ByteDance | live retrieval | 0.9% | 259 of 30,437 | new |
| Amzn-SearchBot | Amazon | answer index | 0.8% | 245 of 30,437 | new |
| MistralAI-Training | Mistral AI | training | 0.7% | 223 of 30,437 | new |
| Amzn-User | Amazon | live retrieval | 0.6% | 183 of 30,437 | new |
| MistralAI-Index | Mistral AI | answer index | 0.3% | 93 of 30,437 | new |
| facebookexternalhit | Meta | live retrieval | 0.2% | 50 of 30,437 | new |
| Googlebot-News | answer index | 0.1% | 38 of 30,437 | new | |
| Bingbot | Microsoft | answer index | 0.1% | 36 of 30,437 | new |
| Meta-ExternalAds | Meta | training | 0.1% | 24 of 30,437 | new |
| msnbot | Microsoft | answer index | 0.1% | 18 of 30,437 | new |
| Googlebot | answer index | 0.1% | 17 of 30,437 | new | |
| OAI-AdsBot | OpenAI | live retrieval | 0.0% | 12 of 30,437 | 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-W16", 2004-04-18. https://crawlcensus.com/report/2004-W16Machine-readable: census totals, full corpus, crawler registry. Method: methodology.