Next.js Caching in 2026: From the Four-Layer Model to use cache
A beginner-to-advanced guide to Next.js caching: the four cache layers, the RSC payload, Cache Components, and when revalidateTag beats updateTag.
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A beginner-to-advanced guide to Next.js caching: the four cache layers, the RSC payload, Cache Components, and when revalidateTag beats updateTag.
CSR, SSR, SSG, ISR, and PPR explained with realistic examples, plus exactly which Core Web Vitals each rendering strategy moves. From build time to the browser.