Common Pitfalls and...

Vite uses Rollup for optimized tree‑shaking and smaller bundles out‑of‑the‑box, whereas CRA requires manual Webpack tuning for similar results. ... Vite can reduce development costs by speeding up build and hot module reload times, leading to shorter development cycles compared to Create React App, which may require more tuning and maintenance for larger projects. ... A well‑planned migration typically takes one to two days for small to medium projects and involves installing Vite plugins, moving index.html, updating scripts and environment variables, and testing thoroughly. Common concerns include browser compatibility, test tool integration, and environment variable usage. These are addressed by Vite’s legacy plugin, Vitest or Jest support, and clear environment variable prefixing (VITE_).