StackPilot comparison
Next.js vs React: What's the Difference?
Understand the difference between React and Next.js and choose the right frontend architecture for a startup.
Short answer
React is the UI library; Next.js is a full React framework with routing, server capabilities and build conventions. For a public web product where SEO and integrated application features matter, Next.js is usually the more complete starting point.
Choose the first option for
Full web applications, SEO, routing, server rendering
Choose the second option for
UI libraries, client-heavy apps, custom frontend architectures
At a glance
| Factor | Option A | Option B |
|---|---|---|
| What it is | React framework | UI library |
| Routing | Built in | Choose a router |
| Server rendering | Built in | Requires architecture/framework |
| SEO | Straightforward | More work for client-only apps |
| Deployment | Integrated conventions | More flexible |
| Best default for SaaS web app | Often yes | Sometimes |
Next.js is more than React
React provides components and a rendering model. Next.js adds application-level conventions such as routing, server components, server-side capabilities and optimized builds.
That makes Next.js useful when you want one framework to cover the public website and application rather than assembling every layer yourself.
When plain React is enough
A client-rendered React application can be perfectly reasonable for an internal dashboard or product where search visibility is irrelevant. The simpler architecture may be preferable when the surrounding backend and deployment are already established.
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