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Next.js vs React
This is the question most beginners ask. Short answer: React is the library, Next.js is the framework built around it. You are still writing React when you use Next.js.
The main differences
| React (with a tool like Vite) | Next.js | |
|---|---|---|
| What it is | A UI library | A full framework using React |
| Routing | You add a router yourself | Built in, based on files and folders |
| Rendering | Mostly in the browser | Server, static, or browser — your choice |
| Data fetching | You choose your own approach | Built-in patterns for server data |
| Backend / APIs | Separate server needed | API route handlers included |
| SEO | Harder (content loads late) | Easier (HTML ready on the server) |
When plain React is enough
If you are building a small widget, an internal tool, or something that lives inside another page and does not need search-engine visibility, plain React with Vite is simple and quick.
When to choose Next.js
- You want good SEO and fast first loads
- You need pages, layouts, and navigation out of the box
- You want to fetch data on the server and keep secrets off the client
- You want your frontend and simple backend endpoints in one project
Tip:You do not have to pick perfectly. Skills transfer both ways — the components you write are React either way.
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