Shopify A/B Test Case Studies | Convertibles

Cart drawer versus add-to-cart notification banner test variations

Cart Drawer vs Add-to-Cart Banner: +16% Conversion and Two Opposite Device Results

August 9, 2026 by Julian S.

We replaced an add-to-cart notification banner with a full cart drawer on a high-ticket equipment store. Conversion rose 16%. Mobile and desktop got there in opposite ways.

[ +16% ] Conversion rate

[ +18% ] Revenue per visitor

PDP social proof winning test: control vs variation with review count and member reviews carousel, +A$10,235/month

The Losing Test With a Winner Inside: +A$10,235/Month From PDP Social Proof

July 5, 2026 by CONVERTIBLES

A bundled PDP test lost. A retest isolated its social proof elements and won: +15.56% conversion rate, +15.79% revenue per visitor, +A$10,235/month.

[ +A$10,235 ] Revenue /mo

[ +15.56% ] Conversion rate

[ +14.31% ] Profit per visitor

10x Traffic and Ad Spend: Performance Golf's Two-Month Shopify Theme Rebuild

June 11, 2026 by Julian S.

We built Performance Golf, a 9-figure golf brand, a completely new Shopify theme from scratch in two months. It passes Core Web Vitals on real-user data, and the team scaled Shopify traffic and ad spend 10x after migrating from Checkout Champ.

[ 10x ] Ad Spend

[ 1.7s ] LCP, Core Web Vitals passed

[ 2 months ] Design to launch

Homepage Sticky CTA: +20.4% Conversion Rate for a Whisky Subscription Brand

May 25, 2026 by Julian S.

Homepage sticky CTA A/B test on an Australian whisky subscription brand. +20.4% conversion rate, +19.57% revenue per visitor, and +A$7,632/month.

[ +A$7,632 ] Revenue /mo

Subscription Frequency Price Anchoring: $10 Box Gap, +A$4,091/Month

May 15, 2026 by Julian S.

We tested subscription pricing for an 8-figure gin brand: bi-monthly raised to $109, monthly kept at $99, "Save $10/box" callout. Result: +A$4,091/mo.

[ +A$4,091 ] Revenue /mo

Homepage Press Logos vs USP Bar: +$109,829/Month From Placement

May 15, 2026 by Julian S.

We tested homepage credibility for an 8-figure luxury pajama brand: press logos beat USP bars, placement below hero beat below category tiles. +$109,829/mo.

[ +$109,829 ] Revenue /mo

PDP Size Selection Area Optimization: $386,441/Month Without a New Feature

February 19, 2026 by Julian S.

An 8-figure luxury pajama brand rebuilt its PDP buy box without adding anything new. Price beside reviews, fit guidance surfaced, an active size CTA. +$386,441/month.

[ +$386,441 ] Revenue /mo

Cart Drawer Checkout Button Price: $389K/Month Case Study

February 12, 2026 by Julian S.

We tested cart drawer variations for a 9-figure luxury pajama brand. Adding the total price to the checkout button ("CHECKOUT $176" vs "CHECKOUT") drove +$389,565/mo. The smallest change won.

[ +$389,565 ] Revenue /mo

Checkout Page Social Proof: A$6K/Month Case Study

January 12, 2026 by Julian S.

We tested adding reviews under the Pay Now button for an 8-figure gin subscription brand. "4.9 stars from 6,000+ reviews" plus three testimonials drove +A$6,145/mo. Reassurance at the decision point.

[ +A$6,145 ] Revenue /mo