Introduction

Next.js 15 represents a significant milestone in the evolution of React frameworks. With its powerful features and developer-friendly approach, it has become the go-to choice for building modern web applications.

What's New in Next.js 15?

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App Router

The App Router is the new way to build applications in Next.js. It provides:

Server Components by default - Better performance with server-side rendering

Nested layouts - Share UI between routes while preserving state

Streaming - Progressive rendering for faster perceived load times

Built-in SEO support - Automatic sitemap generation and metadata API

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Server Components

Server Components are a game-changer for React applications. They allow you to:

``tsx // This component runs on the server async function BlogPost({ slug }: { slug: string }) { const post = await getPost(slug); return (

{post.title}

{post.content}

); } `

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Improved Performance

Next.js 15 includes several performance improvements:

1. Faster builds

Incremental compilation

2. Smaller bundles

Better tree shaking

3. Optimized images

Automatic image optimization

Getting Started

To create a new Next.js 15 project, run:

`bash npx create-next-app@latest my-app cd my-app npm run dev ``

Conclusion

Next.js 15 is a powerful framework that makes building modern web applications a breeze. Whether you're building a simple blog or a complex enterprise application, Next.js has you covered.