Case Study 07/Multiple

Commerce — Selected Studies

A collection of e-commerce flows: PDP, checkout, search, and post-purchase loops.

E-commerceCheckoutSearch
Commerce — Selected Studies
Client
Multiple
Role
Senior Product Designer
Timeline
2020 — 2022
Platform
Web · Mobile · Native
Overview

The brief.

A series of focused commerce studies — PDP density, single-page checkout, search-as-you-think, and the loops that bring buyers back. Each one a small system in itself.

Commerce details look small until they cost real revenue. A vague badge, a sluggish search, a checkout that asks twice. These studies pick at the small things until they stop costing.

User Research

Talking to real users.

Methods
  • Funnel analytics
  • Session replays
  • Moderated usability
  • A/B testing at scale
Participants

60+ shoppers across 3 storefronts · rolling A/B cohorts

Duration

Ongoing (24 months of studies)

Voices from the field
"If I don't see the total in one glance, I bounce."
NNehaDeal-seeker shopper
"Don't make me log in again. I've bought here twelve times."
AArjunRepeat buyer
Key insights
  1. Insight 01

    Speed is a feature

    200ms search latency shifted add-to-cart more than any redesign.

  2. Insight 02

    Checkout hates surprises

    Every surprise fee at step 3 collapsed conversion. Show the total early.

  3. Insight 03

    Return buyers want shortcuts

    'Buy again' next to search bar out-converted every homepage carousel.

Approach

How it came together.

  1. 01

    Treated each surface as its own product with its own metric.

  2. 02

    Prototyped friction reductions in code, not just Figma — feel beats spec.

  3. 03

    A/B'd everything against control; trusted the numbers when intuition lost.

  4. 04

    Wrote up the losers too — failure was as instructive as the wins.

Process · Snapshots

Inside the work.

Commerce — Selected Studies — 1
Commerce — Selected Studies — 2
Commerce — Selected Studies — 3
Outcomes

What it shifted.

+19%
Checkout conversion
+34%
Search-to-add rate
+12%
Return-buyer rate
+27%
Avg. PDP scroll depth
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