next-cache-components

Partial Prerendering in Next.js combines static, cached, and dynamic content in a single route by enabling cacheComponents in next.config.ts and using the 'use cache' directive to reduce server load and improve response times.

The 'use cache' directive in Next.js annotates file, component, or function levels for precise caching. It supports optional cacheLife and cacheTag to control caching behavior and enable fine-grained invalidation across varied content types.

Yes, using Cache Components and the 'use cache' directive requires a Next.js 16+ project. You must also configure next.config.ts with cacheComponents set to true to enable partial prerendering capabilities globally.

You invalidate cached data in Next.js Cache Components by using cacheTag to label cached entries and updateTag to trigger invalidation. This allows fine-grained control over cached content updates without needing a full re-render.

Best use cases for Next.js Cache Components include dashboards, e-commerce product lists, and user-specific pages. These scenarios benefit from combining static shells with cached data and realtime updates without full server re-renders.