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Web Performance Fundamentals

Web Performance Fundamentals

by Nadia Makarevich

A practical guide for frontend developers to understand, profile, and optimize React web applications. The book focuses on real-world performance issues—rendering, bundle size, data fetching, and interaction latency—using modern tools and techniques to build faster, more responsive apps.

Buy Web Performance Fundamentals5/14 chaptersReading

Chapters

  • 1.Hello and Welcome!

    Done

  • 2.Let's Talk About Performance

    Done

  • 3.Intro to Initial Load Performance

    Done

  • 4.Client-side Rendering and Flame Graphs

    Done

  • 5.SPAs and Introducing INP

    Done

  • 6.Intro to Rendering on the Server (SSR)

  • 7.Bundle Size and What to Do About It

  • 8.Intro to Lazy Loading and Suspense

  • 9.Advanced Lazy Loading

  • 10.Data Fetching and React Server Components

  • 11.Interaction Performance

  • 12.Re-renders Refresher

  • 13.React Compiler

  • 14.Final Thoughts