What is Next.JS and How to Debug it Next.JS is an amazing React framework created by Vercel. It allows developers to create Server-side, Client-side or Static websites. The rendering in Next.JS is per page, so the "about" page can be static, while the "home" page is server-side. This article covers the Debugger for Chrome extension and how to use it in Visual Studio Code. You can use the same commands in other IDEs, but you need to write them in the specific format.