Stop Showing Stale Data: Mastering Next.js Cache Tags ⚡

The Aggressive Caching Dilemma When migrating to the Next.js App Router, the most jarring experience for developers is how aggressively the framework caches data. In a traditional React Single Page Application (SPA), data is fetched fresh on almost every page load. In Next.js, fetch requests are cached on the server by default. This creates a massive UX problem in B2B SaaS. If a user updates their company's billing address in their settings panel and navigates back to the dashboard, the dashboar