Performance Test: Next.js 15 vs. Remix 3.0 Bundle Sizes Using Vite 6.0 and Webpack 5.90

When we tested identical e-commerce product pages built with Next.js 15 and Remix 3.0, the bundle size gap between Vite 6.0 and Webpack 5.90 builds hit 42% for client-side chunks — a difference that adds 1.8 seconds to first contentful paint on 3G co...