promptoptbook.com
promptoptbook.com is a live English-language website hosted on Amazon.com, Inc. (AS16509) in the United States, served by Vercel. cl0q first saw it on 2026-10-02 and last crawled it on 2026-10-02. It resolves to 76.76.21.21. Its favicon is fingerprinted by SHA-256, so you can find every other site that serves the same icon.
How the site describes itself:
Prompt Optimization
A short online book about prompt optimization for language models and agents, covering GEPA, MIPROv2, evaluation design, traces, and deployment.
| Status | 200 OK — live & indexed by cl0q |
|---|---|
| First seen | 2026-10-02 |
| Last crawled | 2026-10-02 |
| IPv4 | 76.76.21.21 |
| Network | AS16509 Amazon.com, Inc. · California |
| Language | en |
| Server | Vercel |