10 Next.js Performance Mistakes That Slow Down Production Apps

Next.js applications can feel slow in production due to incorrect use of features. Common mistakes include using 'use client' unnecessarily, not using next/image for images, and using useEffect for server-side data fetching. To improve performance, push 'use client' down the component tree, use next/image for images, and use getServerSideProps for data fetching. This will help reduce hydration cost, improve image loading, and optimize data fetching.