nextjs-app-router

To fetch data in Next.js App Router server components, use async/await directly inside the component function to securely access backend resources and implement caching or revalidation for optimal performance.

Server components in Next.js 13+ are used for data fetching and static rendering to optimize performance, while client components handle interactivity, state, and browser APIs to maintain efficient component architecture.

The best way to handle form submissions in Next.js App Router is using Server Actions to securely process data mutations directly on the server without creating dedicated API endpoints.

Manage dynamic metadata and SEO tags in Next.js by exporting a metadata object or generateMetadata function from your layout or page to dynamically populate titles, descriptions, and Open Graph tags.

Yes, you can use Suspense for streaming content in the Next.js App Router to wrap dynamic components and improve perceived performance through progressive page loading.

Next.js middleware supports authentication and redirects by executing request-time logic before a request completes, allowing you to check user sessions and securely redirect unauthorized access.