Growth Hacks
Case studies originally collected in a.md. Each experiment is its own page under this section.
Opt-in experiments
- 38% opt-in rate from a product page — First-chapter pop-up after 15 seconds.
- +271% more opt-ins with micro-commitments — Same fields, four smaller steps.
- Scroll pop-up at 47.7% depth — Sumo analysis of 3.5 million opt-ins.
- +12% more subscribers with email-only forms — Drop the name field.
Targeting & sends
- +181% opt-in rate with Gmail Ads — Place ads in the Gmail inbox.
- 60% open rate on weather-triggered sales emails — Sell when the temperature hits 75°F.
Acquisition & tools
- 1,000 new subscribers in 60 hours — Republish existing articles with a canonical tag.
- Free email marketing tool by Google — Feedburner for post notifications.
Related: Opt-in Tactics · Building an Email List · Demand Curve Tactics