How to A/B test showing an upsell offer vs not showing an upsell offer in checkout

Overview

A/B testing is a powerful method to determine the effectiveness of displaying an upsell offer during the checkout process. By comparing customer responses between a checkout that includes an upsell offer and one that does not, you can make data-driven decisions to optimize your sales strategy. This guide will walk you through the steps to set up such an A/B test using UpsellPlus.

Step-by-Step Guide

You can use the A/B test to show a product as version A and not show any product as version B.

Log in to Shopify Admin

Open the UpsellPlus App
Go to Apps in the lefthand menu
Click UpsellPlus from the list of installed apps

Create a New Checkout Offer
Click Create Offer and choose the Checkout option

Configure Version A (With Upsell)
Add an upsell product to the offer using the resource picker
Customize its design and messaging to match your goals



Click Add an A/B version to duplicate Version A as Version B



Open the resource picker for Version B



Unselect the selected product




Save!

Key Tips
Run the test long enough to collect data
Focus on one change for clear results.
Monitor results in the Analytics section of UpsellPlus.

Related Articles
How to A/B Test Checkout Upsells
How to Upsell to a Subscription in Checkout and Cart

Updated on: 11/02/2025