Deco Async Section Rendering — Site Implementation Guide

How to configure and use Async Section Rendering in your Deco storefront.

When to Use This Skill

• Setting up async section rendering on a new or existing Deco site
• Creating LoadingFallback components for sections
• Adding Lazy.tsx wrappers to CMS page JSONs
• Debugging the red dashed "Missing LoadingFallback" dev warning
• Optimizing page payload size
• Preventing flash-white during SPA navigation

Quick Start (3 steps)

1. src/setup.ts — Enable async rendering