nextjs

Setting up the Next.js App Router involves creating a project and applying routing conventions for static and dynamic pages. This structures your application with Server Components and Client Components for optimized rendering and interactivity.

The best way to handle data fetching and SEO in Next.js server components is to fetch data directly within the server component and export metadata. This enables server-side rendering for dynamic content while automatically injecting SEO tags into the HTML.

Yes, you can use Next.js for a production-grade React dashboard with server-rendered data. It supports Server Components to fetch data directly on the server, reducing client-side JavaScript and improving initial load performance for dashboard applications.

API routes and middleware in a Next.js production deployment handle server-side logic and request processing before routing. Route handlers manage API endpoints, while middleware intercepts requests to enable features like authentication and redirection across your application.

Next.js image optimization matters for performance because it automatically serves appropriately sized images, converts them to modern formats, and prevents layout shifts. This reduces page load times and improves Core Web Vitals for both static and dynamic pages.

You should use Client Components instead of Server Components in Next.js when you need interactivity, state management, or browser-specific APIs. Server Components handle data fetching and static rendering, while Client Components manage dynamic user interactions.