Learn REMIX with Real Code Examples

Remix embraces web fundamentals like forms, caching, and progressive enhancement.

It enables full-stack development with loaders (for data) and actions (for mutations).

Remix optimizes for performance with minimal JavaScript and server-side data handling.

Server-side rendering

Streaming responses

Route-based data loading

Optimistic UI with mutations

Built-in React Router integration

Loaders for data fetching

Actions for form submissions

Nested routing + layouts

Error boundaries per route

Progressive enhancement with minimal JS

app/routes - route files

app/components - shared UI

app/styles - global/styles

app/root.tsx - root component

remix.config.js - framework config

Define routes in app/routes

Use loaders for server data

Use actions for mutations

Render UI with useLoaderData/useActionData

Deploy using Remix adapters

Beginner: simple pages with loaders

Intermediate: forms & actions

Advanced: nested routing + streaming

Expert: multi-region SSR

Community: plugins & adapters

More server-first than Next.js

More dynamic-app oriented than Astro

Simpler than SvelteKit in routing

Stronger form handling than React

Better progressive enhancement than most frameworks

2021 – Initial release

2022 – Acquired by Shopify

2023 – React Router integration

2024 – Multi-runtime improvements

2025 – Streaming, cache APIs & DX upgrades

Loader: Server-side data fetch function

Action: Server-side mutation handler

Progressive enhancement: Working without JS

Nested routes: Hierarchical layouts

Error boundary: Route-specific error UI