5 Mistakes I Made While Building React and Next.js Applications

Hi everyone, Over the past few years I’ve worked on several projects using React, React Native and more recently Next.js . While building real production applications, I made quite a few mistakes that taught me valuable lessons. I wanted to share a few of them here. Maybe they can save someone else some debugging time. 1. Not thinking about project structure early When starting a project, it's tempting to move fast and not worry too much about folder structure. I did this in a few projects. Everything worked fine at the beginning, but as the codebase grew it became harder to maintain. Files were scattered, components became large, and new developers struggled to understand the code. Later we reorganized the project into clearer folders like: components hooks services utils After that, navigating the project became much easier. 2. Fetching data the wrong way in Next.js When I first started working with Next.js, I treated it like a normal React app and fetched most data on the client sid