The Real Cost of Next.js: Is the Bundle Size Worth the Features?
When it comes to building modern web applications, Next.js has become the go-to framework for many developers. But as your application grows, so does a nagging question: is the additional bundle size worth the features you're getting? Let's dive deep into this trade-off and help you make an informed decision. Understanding the Bundle Size Reality Next.js isn't just React with a fancy wrapper—it's a comprehensive framework that ships with server-side rendering, routing, image optimization, and a host of other features out of the box. This convenience comes at a cost: additional JavaScript that needs to be downloaded, parsed, and executed by the browser. A typical Next.js application adds roughly 70-90KB of gzipped JavaScript to your bundle compared to a vanilla React setup. For users on fast connections, this might seem negligible. But for those on slower networks or mobile devices, every kilobyte counts. The question isn't whether Next.js adds weight—it does—but...