<ul data-eligibleForWebStory="true">The author shares their two-week learning experience with Next.js during an internship.Next.js is a framework built on top of React by Vercel, offering file-based routing, SEO support, CSS features, and more.Key features of Next.js include automatic module installation for Tailwind CSS, font and image optimization, and file-system routing.Next.js enhances font retrieval and automates image optimization for different screen dimensions.File-system routing in Next.js simplifies code tracing, optimizing link navigation for faster page loading.Next.js simplifies API and database connectivity, utilizing React Server Components for direct database queries.Loading.tsx in Next.js allows displaying UI while data is fetched, enhancing user experience with loading skeletons.Next.js offers client hooks like useSearchParams() and error handling using try-catch blocks and form validation.Server-side validation is crucial to prevent malicious data entry, and NextAuth.js simplifies authentication and authorization.