When the user mentions "free tool", "engineering as marketing", "lead magnet", "calculator", "generator", "marketing tool", or asks about building tools for marketing.
Build useful free tools that:
| Approach | Pros | Cons |
|---|---|---|
| Custom build | Full control, branding | Dev time |
| No-code (Calculoid, Outgrow) | Fast, easy | Limited, subscription |
| Embed existing | Instant | Less differentiation |
| Metric | Target |
|---|---|
| Monthly visitors | 1,000+ |
| Avg time on page | > 2 min |
| Lead capture rate | 5-15% |
| Backlinks generated | 10+ |
| Search rankings | Page 1 for target keywords |