Model Online / On-Site
Duration
Modules 4 modules

About the Course

Modern web development has evolved into a hybrid architecture where components execute seamlessly across both server and browser. Combining React 19 capabilities with the Next.js App Router, this course teaches developers how to build fast, SEO-friendly, and production-grade web applications.

Participants learn to architect boundaries between React Server Components (RSC) and Client Components, boost perceived performance with Streaming and Suspense, handle mutations via Server Actions, and master Next.js caching and revalidation.

Target Audience and Prerequisites

  • Frontend and full-stack developers adopting modern React 19 and the Next.js App Router
  • Engineering teams focused on optimizing Core Web Vitals, SEO, and bundle performance in production apps
  • Working knowledge of JavaScript/TypeScript and foundational React (components, props, state) is required

Key Takeaways

  • Modern React Patterns: Master essential and advanced Hooks, custom hook composition, and React 19 action APIs
  • App Router & RSC Composition: Combine Server Components and Client Components to minimize client-side JavaScript bundles
  • Hybrid Rendering Strategies: Apply SSR, SSG, ISR, and progressive Streaming at the route and component level
  • Caching & Production Optimization: Control Next.js caching layers, on-demand revalidation, Middleware, and asset optimization

Curriculum

Modern React 19 Architecture, Hooks, and Component Design Patterns
  • React rendering lifecycle, useState, useEffect, useRef, useId, and building reusable Custom Hooks
  • React 19 features: useActionState, useOptimistic, the use API, and React Compiler fundamentals
  • Compound components, Context API state sharing, and preventing unnecessary re-renders
Next.js App Router, File-System Routing, and Server Components
  • App Router conventions: layout.tsx, page.tsx, loading.tsx, error.tsx, and Route Groups
  • Dynamic segments, Parallel Routes (@slot), and Intercepting Routes for advanced UI flows
  • How React Server Components (RSC) work and architecting clean "use client" boundaries
Data Fetching, Hybrid Rendering Strategies, and Server Actions
  • Async data fetching in Server Components, parallel requests, and progressive Streaming with Suspense
  • Choosing between static and dynamic rendering: SSG, SSR, ISR, and Partial Prerendering
  • Handling mutations and forms with Server Actions ("use server"), Zod validation, revalidatePath, and revalidateTag
Caching, Route Handlers, Middleware, and Performance Optimization
  • Navigating Next.js Caching layers and configuring fine-grained cache invalidation
  • Building Route Handlers, protecting routes with edge Middleware, and dynamic SEO via the Metadata API
  • Optimizing Core Web Vitals (LCP, INP, CLS) using next/image, next/font, and code splitting

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