Copy-paste snippets, theme surgery and performance tuning for owners who are not afraid of the code editor - every line is production-tested.
Most changes to a Shopify store need no code at all, and the ones that do go into a copy of your theme first. Where each kind of change belongs, how to find theme.liquid and paste a snippet in the right place, what Custom CSS can do, what a theme update does to your edits, and how to undo a mistake.
A 600-product WooCommerce store measured through every layer a host controls, from OPcache and page caching to Redis, PHP workers, plugins and cart fragments, with the fixes in the order they pay off.
A step-by-step method to find the apps, theme code, photos and videos that slow a Shopify store down, tested on a real store, with the fixes and size limits that work.
The three numbers Google grades your store on, where they come from, why small stores see no data, and which fix moves each one on Shopify and WooCommerce.