4-Week Roadmap

System Design Roadmap

A structured path from browser fundamentals to full system design thinking. Click any topic to dive in.

23
Topics
4
Weeks
🌐
Week 1
6 concepts·0 hands-on

Browser & Performance Foundations

Understand how browsers render pages and where performance bottlenecks live.

1

Rendering Pipeline, DOM & CSSOM

2

Critical Rendering Path

3

Event Loop — Microtasks vs Macrotasks

4

DevTools Performance Analysis

5

Network Tab & Waterfall Analysis

6

Memory Leaks & React-Specific Issues

⚡
Week 2
6 concepts·0 hands-on

Rendering Optimization (React Focused)

Deep-dive into React internals and learn to diagnose and fix slow renders.

7

Reconciliation & Virtual DOM

8

React.memo, useMemo, useCallback

9

State Colocation & Lifting State

10

Keys & List Rendering

11

List Virtualization

12

Debounce & Throttle

🔒
Week 3
6 concepts·0 hands-on

Network, Storage & Security

Master the data layer — from HTTP caching to auth token trade-offs.

13

HTTP Lifecycle

14

HTTP Caching & Headers

15

CDN Basics

16

LocalStorage vs SessionStorage

17

IndexedDB Basics

18

Auth Token Storage Trade-offs

🏗️
Week 4
5 concepts·0 hands-on

Architecture & System Thinking

Put it all together — component design, state patterns, and full system designs.

19

MVC vs Component Architecture

20

Feature-Based Folder Structure

21

Smart vs Dumb Components

22

State Management Patterns

23

XSS & CSRF Basics

ConceptHands-on Practice