I'm currently learning the basics of server-side rendering (SSR) with Next.js and want to further improve page load times. I need a clear understanding of the selection criteria between getStaticProps and getServerSideProps, the best use cases for incremental static regeneration, and caching strategies. I'd love to hear about your experiences optimizing pre-render data fetching processes and efficiently setting up the revalidation mechanism. What approaches do you prefer in these areas? Your suggestions and example configurations would be very helpful.
How do you optimize server-side rendering with Next.js?
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Can you give me a concrete example of when getStaticProps is better than getServerSideProps in cases of frequent data changes? And how do you set the revalidation time for Incremental Static Regeneration to minimize cache invalidation?
I often use getStaticProps like Gatsby-style static builds—the data doesn’t change, so it gets cached on the CDN, whereas getServerSideProps renders in real-time like Nuxt SSR for every request. Implement Incremental Static Regeneration on pages where changes are infrequent; you can set revalidate in seconds and keep data fresh client-side with SWR’s “stale-while-revalidate” strategy. Finally, adding Vercel’s Edge Cache or Netlify’s edge cache at the header level reduces SSR time and delivers faster responses.