Building with React Router 7

React Router 7 has transformed how we build React applications by making server-side rendering (SSR) a first-class citizen. Let's explore why this matters and how to get started.

Why SSR Matters

Server-side rendering provides several key benefits:

1. Improved SEO - Search engines can crawl your content immediately
2. Faster initial page load - Users see content before JavaScript loads
3. Better performance on low-end devices - Less client-side computation
4. Enhanced user experience - No blank page while loading

Setting Up React Router 7

Getting started is straightforward:

pnpm create react-router@latest

Configure SSR in your react-router.config.ts:

import type { Config } from "@react-router/dev/config";

export default {
  ssr: true,
  future: {
    v8_viteEnvironmentApi: true,
  },
} satisfies Config;

Data Loading Patterns

React Router 7's data loading is elegant and type-safe:

import type { Route } from './+types/blog';

export async function loader() {
  const posts = await getAllPosts();
  return { posts };
}

export default function Blog({ loaderData }: Route.ComponentProps) {
  const { posts } = loaderData;

  return (
    <div>
      {posts.map(post => (
        <article key={post.slug}>
          <h2>{post.title}</h2>
          <p>{post.excerpt}</p>
        </article>
      ))}
    </div>
  );
}

Deploying to Cloudflare Pages

React Router 7 works beautifully with Cloudflare Pages:

pnpm run build
pnpm run deploy

The built-in Cloudflare adapter handles all the configuration for you. Your app runs on Cloudflare's edge network, delivering content to users with minimal latency.

Performance Tips

1. Use streaming SSR - React 18's streaming capabilities work out of the box
2. Optimize images - Leverage Cloudflare's image optimization
3. Code splitting - React Router automatically splits routes
4. Cache strategically - Use Cloudflare's edge caching for static content

Conclusion

React Router 7 makes building fast, modern React applications easier than ever. The combination of excellent DX, built-in SSR, and seamless Cloudflare deployment creates a powerful foundation for any web application.

Give it a try on your next project!