Next.js

Partial Prerendering Strategy

28 min Lesson 45 of 80

Partial Prerendering Strategy

This lesson expands the Next.js path with an advanced topic from the official Next.js documentation. The goal is not only to memorize an option or file name, but to understand its impact on rendering, caching, security, and deployment.

After this lesson you should be able to apply the topic in a real project, choose the right boundary for it, and explain it as a reviewable engineering decision.

Core Concepts

static shell
dynamic islands
personalized sections
Suspense boundaries
route-level planning

Practical Example

// app/products/[slug]/page.tsx
import { Suspense } from 'react'

export default async function ProductPage({ params }: PageProps<'/products/[slug]'>) {
  const { slug } = await params
  const product = await getProduct(slug)
  return (
    <article>
      <ProductHero product={product} />
      <ProductDetails product={product} />
      <Suspense fallback={<RecommendationSkeleton />}>
        <PersonalRecommendations productId={product.id} />
      </Suspense>
    </article>
  )
}

This lesson is aligned with these official Next.js documentation areas: Partial prerendering, rendering, and Suspense docs.

Why It Matters

In production applications, this topic affects page speed, data freshness, authorization clarity, and operational reliability after deployment.

Implementation Workflow

Decide whether the data is public or user-specific.
Choose the smallest part of the tree that needs this behavior.
Connect the example to a real route and add a small verification check.
Document the effect on caching and deployment.

Hands-on Practice

Design a product page where product content is static and recommendations stream dynamically.

Do not make the full route dynamic just because one sidebar is personalized.

Summary

Judge the implementation by how clear the decision is, whether the behavior is correct after build, and how easily it can be traced in production.