Why Nested routes and layouts in Remix? - Purpose & Use Cases

The Big Idea

Discover how nested routes save you from endless copy-pasting and make your website easier to manage!

The Scenario

Imagine building a website where every page needs a header, footer, and sidebar. You try to add these parts manually to each page file.

The Problem

Manually copying header, footer, and sidebar code to every page is tiring and error-prone. If you want to change the header, you must update every page separately, risking mistakes and inconsistencies.

The Solution

Nested routes and layouts let you define shared parts once and reuse them automatically. You create a layout with header and footer, then nest pages inside it. Changes to the layout update all nested pages instantly.

Before vs After

✗ Before

function Page() {
  return <>
    <Header />
    <Sidebar />
    <Content />
    <Footer />
  </>;
}

✓ After

import { Outlet } from "@remix-run/react";

function Layout() {
  return <>
    <Header />
    <Sidebar />
    <Outlet />
    <Footer />
  </>;
}

// Nested pages render inside <Outlet />

What It Enables

This makes building complex websites easier, faster, and less buggy by sharing layouts across many pages automatically.

Real Life Example

Think of an online store where the main menu and footer stay the same, but product pages and checkout pages show different content inside the shared layout.

Key Takeaways

Manually repeating layout code is slow and risky.

Nested routes let you share layouts easily.

Updating layouts updates all nested pages at once.