Stop Showing Stale Data: Mastering Next.js Cache Tags ⚡
Next.js aggressively caches data by default, which can lead to stale content being displayed after user updates, creating a poor user experience. Developers can solve this by using cache tags to selectively invalidate specific data instead of disabling caching entirely. This approach maintains fast performance while ensuring data accuracy across the application.
- ▪Next.js caches fetch requests on the server by default, which can result in stale data being shown to users.
- ▪Cache tags allow developers to invalidate specific data when it is updated, ensuring freshness without sacrificing performance.
- ▪Using revalidateTag in Server Actions enables precise, on-demand cache invalidation for tagged fetch requests.
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try { if(localStorage) { let currentUser = localStorage.getItem('current_user'); if (currentUser) { currentUser = JSON.parse(currentUser); if (currentUser.id === 3818348) { document.getElementById('article-show-container').classList.add('current-user-is-article-author'); } } } } catch (e) { console.error(e); } Prajapati Paresh Posted on May 2 • Originally published at smarttechdevs.in Stop Showing Stale Data: Mastering Next.js Cache Tags ⚡ #react #nextjs #frontend #performance 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.
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