The "Spinner" Fatigue With the rise of React Server Components (RSC) and streaming in the Next.js App Router, we have vastly improved initial page load times. However, navigations inside the application can still feel sluggish, especially in complex B2B dashboards where moving from one tab to another requires heavy data fetching securely on the server. By default, Next.js automatically prefetches code for `` components when they enter the user's viewport. But it does *not* automatically prefetch the *data* required by those routes. The user clicks a link, the UI freezes momentarily (or shows a skeleton), the server fetches the data, and finally the UI renders. At Smart Tech Devs, we architect for *perceived* performance, eliminating these transitions entirely via **Programmatic Prefetching**. Warming the RSC Cache Perceived performance is about masking network latency.…