CRO & Profits
Shopify A/B Test Sample Size Calculator | PMD
How to calculate Shopify A/B test sample size with three worked examples covering MDE, statistical power, and what real CRO tests need to ship safely.
Shopify A/B Test Sample Size Calculator | PMD
How to calculate Shopify A/B test sample size with three worked examples covering MDE, statistical power, and what real CRO tests need to ship safely.
Landing Page Audit Framework: Diagnose in 60 Mi...
A landing page audit framework for Shopify brands. Diagnose why your page leaks money in 60 minutes with an eight-layer teardown and a scored fix backlog.
Landing Page Audit Framework: Diagnose in 60 Mi...
A landing page audit framework for Shopify brands. Diagnose why your page leaks money in 60 minutes with an eight-layer teardown and a scored fix backlog.
How to Brief a CRO Test So It Moves the Number ...
Most CRO tests fail at the brief, not the execution. The 5 elements every test brief needs to actually move a metric you care about.
How to Brief a CRO Test So It Moves the Number ...
Most CRO tests fail at the brief, not the execution. The 5 elements every test brief needs to actually move a metric you care about.
Why Your Shopify CAC Went Up — and the CRO Fix
Most Shopify CAC inflation is a funnel problem, not an ads problem. The PMD diagnostic for what's actually broken — and the fix that compounds.
Why Your Shopify CAC Went Up — and the CRO Fix
Most Shopify CAC inflation is a funnel problem, not an ads problem. The PMD diagnostic for what's actually broken — and the fix that compounds.
Reading Your Shopify Attribution Data | PMD
Five attribution sources, five different numbers. The PMD framework for picking your source of truth and ignoring the rest of the noise.
Reading Your Shopify Attribution Data | PMD
Five attribution sources, five different numbers. The PMD framework for picking your source of truth and ignoring the rest of the noise.
Shopify Redesign vs Iterate: A Decision Framewo...
Most brands redesign when they should iterate, and iterate when they should redesign. The 5-factor framework PMD uses to make the call.
Shopify Redesign vs Iterate: A Decision Framewo...
Most brands redesign when they should iterate, and iterate when they should redesign. The 5-factor framework PMD uses to make the call.