9 min read
Shopify Cart Attributes: Passing Context Through Checkout
Cart attributes carry page context into the order without touching the product itself
The Lab · Written in the open · Tagged Shopify
Lab.
Working notes from the studio. The tools I build, the workflows I keep, the mistakes I paid for.
43 entries · latest 2026-10-20
Latest entry
Profiling Liquid: How I Find What Slows a Shopify Page
Theme Inspector shows per-section render time right in Chrome DevTools Server-Timing header reveals Liquid vs network in one number Nested loops over full collections are the usual slow culprit Cached snippets with the render tag cut repeat work to near...
Read the entry
TLDR
This entry in one minute
- Theme Inspector shows per-section render time right in Chrome DevTools
- Server-Timing header reveals Liquid vs network in one number
- Nested loops over full collections are the usual slow culprit
All entries · Shopify
9 min read
Why Every RAXXO Section Lives in Code, Not the Customizer
Every RAXXO section ships as a reviewed Liquid file first. The Shopify customizer only ever reflects what that…
9 min read
The 404 Page I Almost Shipped Without Testing
A 404 page that looked finished on a laptop buried its own exit button on a phone. The…
10 min read
Why RAXXO Prices Everything in EUR
Why every RAXXO product carries one EUR price instead of a currency toggle, and the format rule that…
10 min read
The Email Every RAXXO Customer Gets After They Buy
The order confirmation email undersold every RAXXO tool for longer than I want to admit. Three rewrites later,…
9 min read
Shopify Theme Sections I Rebuild on Every Store
Four sections (hero, proof band, FAQ, CTA) I copy into every Shopify store
9 min read
Shopify Metafields Done Right Three Patterns From Production
Typed metafield definitions catch bad data before it reaches your theme
9 min read
The Liquid Patterns That Cut My Theme Build Time in Half
Schema fragments cut section files by 40 lines each
9 min read
Six Months of Shopify Web Vitals Data What Actually Moved INP
INP dropped from 380ms to 140ms over six months on raxxo.shop
9 min read
Building a Shopify Section Library Instead of Using a Theme
87 custom sections replace a pre-made theme on raxxo.shop
10 min read
Shopify Admin API From Claude: 5 Patterns I Use Across 15 Repos
Product create via Admin API beats clicking through the dashboard every time