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Home›Videos›How to Run a Shopify Discount A/B Test Without Killing Your Margins (2026)
VideoShopify A/B testingdiscount testing

How to Run a Shopify Discount A/B Test Without Killing Your Margins (2026)

Find the exact discount that maximizes revenue without eroding your margin — set up a Shopify discount A/B test, split traffic across offers, and let the data pick the winner.

AKAshwin KumarCo-Founder & CEO, CustomFit.ai
On this page
  1. What you'll learn
  2. Why test the discount instead of guessing
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Discounts are the easiest lever to pull — and the easiest one to overpay on. In this tutorial, Ashwin (co-founder & CEO of CustomFit.ai) shows how to find the discount that actually maximizes revenue, instead of defaulting to a blanket "20% off" that quietly eats your margin.

Rather than guessing the number, you run a discount A/B test: serve different offers to comparable slices of traffic, watch how conversion and revenue-per-visitor respond, and roll out the one that wins — on Shopify, with no code.

What you'll learn

  • Why a bigger discount isn't always more revenue (and how to spot the tipping point)
  • Setting up a discount A/B test on your Shopify store
  • Splitting traffic across two or more offers fairly
  • Measuring on revenue-per-visitor and margin, not just conversion rate
  • Targeting the discount to specific segments (new vs. returning, source, device)
  • Rolling out the winning offer once the data is clear

Why test the discount instead of guessing

A flat sitewide discount treats every shopper the same — the one who would have paid full price gets the same cut as the one who needed a nudge. A discount A/B test lets you measure the real trade-off between conversion lift and margin give-up, so you can land on the offer that grows profit, not just order count.

Ready to find your number? Start a free trial or book a demo.