In this step-by-step guide, Ashwin (co-founder & CEO of CustomFit.ai) shows D2C teams how to launch template-level A/B tests on Shopify — product pages, collection pages, or the homepage — in under two minutes, without touching code or waiting on a developer.
If you run a D2C brand on Shopify and want to lift conversions, grow AOV, or trial a new product-page template without rebuilding your theme, this is the fastest way to do it.
What you'll learn
- Installing CustomFit on Shopify with one-click setup
- Creating your first template A/B test
- Splitting traffic 50/50 — or any percentage you choose
- Targeting specific audience segments (UTM, device, new vs. returning)
- Adding conversion goals — Add to Cart, Checkout, and Revenue
- Reading results inside Shopify, GA4, and Microsoft Clarity
Chapters
- 0:00 — Intro: what you'll build today
- 0:30 — Installing CustomFit on Shopify
- 0:51 — Creating your first experiment
- 1:18 — Adding template variations
- 2:00 — Selecting the test template (visual editor)
- 3:00 — Setting up template-level A/B testing
- 3:43 — Adding the theme snippet
- 4:10 — Splitting traffic (50/50 or custom %)
- 4:44 — Audience segmentation (UTM, device, new vs. returning)
- 5:36 — Adding conversion goals (Add to Cart, Revenue)
- 7:10 — Powering on the experiment
- 7:36 — Live preview of the variation
- 7:48 — Analyzing experiment results
- 8:03 — GA4 + Microsoft Clarity + Shopify integration
- 8:42 — Free trial + demo info
Why D2C brands choose CustomFit.ai
CustomFit is the throughput layer for Shopify experimentation — built so marketing teams can launch experiments without writing code, waiting on developers, or fighting their theme. Test product pages, collection pages, homepages, pricing layouts, hero sections, and urgency banners, then measure what actually moves revenue.
Ready to run your first test? Start a free trial or book a demo.