core react + react-dom

React Library Concepts Roadmap

Core React only (react + react-dom). Excludes ecosystem tooling such as React Router, Redux/Zustand, TanStack Query, TypeScript, testing libraries, Tailwind, Next.js, and bundlers. These surround React but are not React itself.

Not started In progress Completed

0%0/91

concepts mastered

Trainee

0% · 0/17

React basics

Junior

0% · 0/20

Hooks and component behavior

Mid

0% · 0/19

Performance, patterns, and more hooks

Senior

0% · 0/35

Internals, concurrency, and modern React

🏁

Finish line

React Library Concepts Roadmap

Trainee

Foundations

Components and data

Rendering markup

Interactivity

Junior

State and rendering, deeper

Effects

Refs and the DOM

State across components

Custom hooks

Mid

Re-renders and memoization

More hooks

Built-in React capabilities

Component patterns

Senior

Internals

Concurrent React

Suspense, advanced

External state and library-author hooks

Server-side React

React 19+

Legacy (for older codebases)