Choose widget types (use-case matched): Best Sellers, Recently Viewed, Similar Items, Shop the Look, Visually Similar (fashion).
Placement
- Theme templates (Home, PDP, PLP, Cart) via snippet.
- Shopify OS2: reference widget ID in your section/blocks.
- Tapcart PDP, Shopify Plus Checkout Extensions, Narvar tracking pages.
QA
- Widgets render; click tracking present; responsive layout intact.
A/B testing
- Compare strategies/widgets over a full business cycle; primary KPIs: conversion and AOV.