How to Integrate Convert A/B Testing with Shopify (Using the Convert Shopify App)
A complete setup guide for running Convert A/B tests on Shopify with the official app — goals, API keys, tracking, and checkout-safe purchase measurement.
Writing
Notes on Shopify, frontend performance, testing and JavaScript. Mostly things that broke, and what it took to work out why.
How to fix Shopify Sandbox URL Pageview Issues in GA4
Custom Shopify pixels run in a sandbox, so GA4 can record iframe URLs instead of real landing pages. This guide covers the GTM and pixel setup that sends the correct page_view.
Safari inline-block fix for CSS columns layout
Safari misplaces borders in CSS multi-column layouts when items use display inline-block. Here is the problem and the fix.
How to preview experiments in Webtrends Optimize
Three ways to preview a Webtrends Optimize experiment without waiting for it to go live — the preview panel, the force widget, and a query parameter.
Snippets
Shorter than an article. Small fixes I keep needing.
Safari back-forward-cache override
Prevent Safari from serving stale cached pages on back/forward browser navigation.
Get all non native window variables
Extract all custom user-defined window properties in browser environment.
Detect Horizontal Swipe
Detect horizontal (left/right) swipe gesture on mobile touch devices with JavaScript.