Beyond A/B: Designing Better Subject Line Experiments

Open rates stopped telling the truth after Apple's privacy changes, and last quarter's subject line learnings live in a spreadsheet nobody opens. Prithvi's skill connects to Klaviyo, reads your send history, and proposes lines tagged by angle and scored against your own data. It calls winners on clicks and revenue, and remembers every test.

Subject lines scored against your own send history

Blueprint - Retention Marketing: Beyond A/B: Designing Better Subject Line Experiments (6 min)