Shopify
The Shopify Theme Debugging Toolkit
You cannot attach a debugger to Liquid. Here is the set of techniques that actually works for finding out why a theme is doing something unexpected.
Shopify
Migrating to Shopify Online Store 2.0 Without Breaking It
A practical migration order, the things that silently break, and how to verify you did not lose content along the way.
Shopify
Shopify Inventory Says In Stock and Checkout Says Otherwise
The storefront cached availability, the customer added to cart, and checkout disagreed. Here is where the state diverges and what to do about it.
Shopify
How Many Shopify Apps Is Too Many? I Measured It
Everyone says apps slow your store down. Almost nobody says by how much. Here are measurements from real stores and a method for auditing your own.
Shopify
Shopify App Proxy Returns 404 and the Reason Is Never Obvious
The proxy path, the subpath prefix, and the actual route all have to line up. Here is the checklist and how to verify the signature properly.
Shopify
Hydrogen or Liquid: Which Should Your Shopify Store Run On
Headless Shopify is genuinely better for some stores and a costly mistake for most. Here is how to tell which one you are.
Shopify
Your Shopify Theme Broke After an App: Find the Culprit
Add to cart stopped working, the layout shifted, or the page throws a console error. A systematic way to find which app did it and what to do about it.
Shopify
The Liquid Loop That Adds Three Seconds to Your Shopify Page
Liquid has no query log, so N+1 problems are invisible until the page is slow. Here is how to find them with Server-Timing and how to restructure the loops.
Shopify
Shopify Theme Scores 40 on Lighthouse: The Fix Order
Most Shopify performance advice is a list of tips in no particular order. Here is how to measure first, find the actual cause, and fix things in the order…
Shopify
Shopify vs WooCommerce: A Builder's Honest Comparison
I build Shopify themes for a living, which makes me exactly the wrong person to ask and exactly the right person to ask.
Shopify
The Shopify Cart Bug That Only Happens on Slow Connections
Items vanish from the cart, quantities are wrong, and it never reproduces on your machine. Throttle your network and it appears every time.
Shopify
Shopify Metafields: Why Your Value Renders as Escaped JSON
You added a metafield, output it in Liquid, and got a wall of quotes and brackets. Here is what metafield_tag does and when you still need the raw value.