Engineering
Mar 15, 2026
5 min read

Scaling with Next.js App Router

A complete breakdown of our transition to Next.js App Router and the massive performance wins we unlocked.

Scaling with Next.js App Router

Performance is the ultimate competitive advantage. In an era where a 100ms delay can lead to a significant drop in conversion, the infrastructure of your web platform matters more than ever. Our transition to the Next.js App Router was a strategic move to harness the power of Server Components and streaming.

By moving heavy logic to the server, we've managed to decrease our client-side JavaScript bundles by over 60%. This results in almost instantaneous 'Time to Interactive' indices, which is a critical metric for both user experience and SEO (Core Web Vitals).

One of the most impressive features of this transition has been the ability to handle complex data fetching with ease. Using React Suspense and streaming, we can present the shell of a page to a user immediately while data-heavy components load in the background. This perceived performance win is what makes a site feel 'butter-smooth.'

Scaling a digital product requires a robust foundation. Next.js provides that foundation, allowing us to build features faster while maintaining a code-splitting strategy that ensures the end-user never downloads a single byte they don't need. Ready to optimize your infrastructure? Book a Call with Launch Live Studio today.

Next.js React Performance

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