Checkout Redux: A/B Case Study That Cut Cart Abandonment by 28%

Design · 4 min read

The prior checkout required mandatory account creation, long address forms, and a crowded payment page that displayed every available payment method equally. Analytics showed high abandonment at the account step and long median times on the address screen due to formatting errors and uncertain country defaults.

Redesign decisions included enabling guest checkout with an optional account creation step after purchase, implementing predictive address filling and autofill inference, consolidating payment methods to prioritize the ones users actually selected, and adding a clear, linear progress bar. Microcopy clarified security and refund policies, and trust badges were placed near the final CTA rather than buried.

A staged A/B test cut cart abandonment by 28%, increased completed orders, and shortened median checkout time by 45%. The team noticed a trade-off: fewer immediate account sign-ups reduced marketing reach, so they introduced a post-purchase, low-friction account prompt with one-tap social or wallet-based account creation to recapture engaged buyers without reintroducing friction.