Optimizing Conversion:
From Entry to Persuasion
Jaewan Byun / Product Designer
User journey optimization through 5 experiments
This project improved the end-to-end purchase funnel.
Analysis of behavior logs and interviews revealed that structural gaps in the persuasion flow, rather than just UI issues, caused drop-offs. By testing five key areas from login to AI recommendations, I achieved significant growth in overall conversion metrics.
Responsibility
Defined funnel issues via behavior logs.
Ran A/B tests using GrowthBook.
Led UX/flow redesign for 5 key areas.
Scaled test results across the product.
Impact
Option selection entry: Up to +300%.
Payment attempts +19.5%, Sign-ups +14%.
Benefit clicks +200%, Review clicks +66%.
Post-AI recommendation conversion: 21%.
