Storefront Engineering
Building the storefront itself: theme architecture, Liquid, headless setups and design systems that stay fast and maintainable as a store grows.

, by Muhammad Umar
The Five Liquid Limits Every Metaobject Catalog Hits
Metaobjects can store a million entries, but Shopify's theme Liquid only renders a fraction of that per page. Here's what caps it.
- Storefront Engineering

, by Muhammad Umar
Shopify's Automatic Early Hints Explained
Shopify now scans generated HTML to auto-detect render-blocking files and preload them via Early Hints, beating hand-authored preload hints at scale.
- SEO & Performance
- Storefront Engineering

, by Muhammad Umar
What Shopify Canvas Can’t Do Yet — A Checklist
Shopify's Canvas launched without app blocks, Theme Store themes, Markets, rollouts, or translations. Here's what that means before you say yes to a client.
- Storefront Engineering
- Apps & Product Engineering

, by Muhammad Umar
Shopify's Section Rendering API: The Null-in-200 Trap
Shopify's Section Rendering API caps requests at five sections and can return a failed section as null inside an HTTP 200 — here's how to handle both correctly.
- Storefront Engineering

, by Ahmed
Shopify Theme App Add-Ons: One App, One Theme, One Install
Shopify now lets theme developers bundle a storefront app with a Theme Store listing. Here's how the one-per-theme and ownership rules actually work.
- Apps & Product Engineering
- Storefront Engineering
, by Muhammad Umar
Hydrogen's GA Release and the Standard Actions Cart Contract
Hydrogen went GA on October 14, 2026, as a framework-agnostic library — and the Standard Actions API is what makes sharing one cart possible across stacks.
- Storefront Engineering
- Apps & Product Engineering

, by Muhammad Umar
Why Hydrogen's Cart Route Rejects Batched Requests
Shopify's October 2026 Hydrogen preview enforces one change type per cart request — here's what breaks in custom cart UIs that batch calls.
- Storefront Engineering

, by Muhammad Umar
Shopify Says TTFB Is a Liquid Rendering Problem
Shopify's own theme docs say TTFB is almost always a Liquid problem — here's the ranked list of causes and fixes they document.
- SEO & Performance
- Storefront Engineering

, by Muhammad Umar
Oxygen Hosting No Longer Requires a Paid Plan
Shopify opened Oxygen hosting to dev and trial stores in August 2026 — removing a paid-plan gate, but not the store-login requirement.
- Storefront Engineering
, by Muhammad Umar
Shopify's INP Guide: Where Slow Taps Really Happen
Shopify's theme performance docs break every slow interaction into three measurable phases. Here's what each one means for a theme, and which fix belongs where.
- SEO & Performance
- Storefront Engineering

, by Muhammad Umar
Shopify's Rollouts API Lets Apps See the Test
Apps can now read Shopify Rollouts via GraphQL — schedules, traffic allocation, and lifecycle webhooks — closing a blind spot for theme and checkout apps.
- Storefront Engineering
- Integrations & APIs

, by Muhammad Umar
Shopify Themes Cap Out At 300 Theme Blocks
Every .liquid file in a Shopify theme's /blocks folder counts toward a 300-block cap — including every block Sidekick generates for you.
- Storefront Engineering

, by Muhammad Umar
Shopify's New HTML Streaming: The Theme Eligibility Rule
Shopify now streams storefront head markup before the page finishes rendering, cutting TTFB platform-wide — eligibility depends on one Liquid syntax rule.
- SEO & Performance
- Storefront Engineering
, by Muhammad Umar
Soft Navigations Arrive in Chrome: What Changes for SPA Storefronts
Chrome 151-154 finally measure Core Web Vitals across client-side transitions in SPA storefronts. Here's what changed, and what's still unresolved.
- SEO & Performance
- Storefront Engineering
, by Muhammad Umar
Shopify's agents.md Templates: What Controls AI Agent Discovery
Shopify now lets stores customize agents.md, llms.txt, and llms-full.txt via Liquid templates — here's the exact fallback order and what ships by default.
- SEO & Performance
- Storefront Engineering
, by Muhammad Umar
Shopify's New Single-Column Customer Account Layout
Shopify redesigned customer accounts around a single-column layout. Here's what changes by API version — and what doesn't break.
- Storefront Engineering
- Apps & Product Engineering

, by Muhammad Umar
Shopify's shopify-account Component Is Now Mandatory
Shopify now requires the shopify-account component in every Theme Store submission's header — here's how the component actually works.
- Storefront Engineering

, by Muhammad Umar
What Hydrogen's April 2026 Release Actually Breaks
Hydrogen 2026.4.0 bundled two breaking changes and a smaller metafield limit into a routine API bump. Here's what headless teams need to check.
- Storefront Engineering

, by Muhammad Umar
Liquid's New block and partial Tags, Explained
Shopify's July '26 developer preview adds block and partial Liquid tags for composing theme pages, plus new Theme Check 3.28.0 lint rules.
- Storefront Engineering
Tell us what you're building.
Share a few details and we'll reply within 1–2 business days with questions, a scope and a quote.