Learn how to optimize performance with React useState lazy initialization and understand its working principles through React source code analysis.

Learn about the proper usage of effects in React by reading the official documentation.

Learn more about how Suspense came to be, how it works in practice, and in what situations it does and does not work.

Optimize DOM by virtualizing lists with Tanstack Virtual!

In Next.js, all components are server components by default. Let's explore how to use them inside client components.