Framework Certified
ReactIntermediate

React Certified

A comprehensive, TypeScript-first React 19 certification for working developers. Build a precise rendering mental model, design resilient state and effects, master Actions, Suspense and optimistic UI, and prove production readiness through 24 lessons, quizzes, and auto-graded coding challenges.

~10h
Includes certificate on completion
All-access$99
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Curriculum

  1. 01 / 08

    React 19 foundations and TypeScript

    1. The rendering mental modelFree preview25 min
    2. Typed components and JSX25 min
    3. Lists, identity, and keys25 min
  2. 02 / 08

    Composition and component APIs

    1. Composition, children, and slots25 min
    2. Controlled and uncontrolled design25 min
    3. Boundaries, errors, and portals25 min
  3. 03 / 08

    State and event design

    1. State as a snapshot25 min
    2. Events and transitions25 min
    3. Choosing state structure25 min
  4. 04 / 08

    Effects and external systems

    1. Effects are synchronization25 min
    2. Async work and race conditions25 min
    3. Refs and external stores25 min
  5. 05 / 08

    Reducers, context, and custom hooks

    1. Reducers and action modeling25 min
    2. Context at scale25 min
    3. Custom hook contracts25 min
  6. 06 / 08

    React 19 async experiences

    1. Actions and form state25 min
    2. Suspense and use()25 min
    3. Optimistic UI and reconciliation25 min
  7. 07 / 08

    Accessibility, testing, and debugging

    1. Accessible React interfaces25 min
    2. Testing user behavior25 min
    3. Debugging and profiling25 min
  8. 08 / 08

    Production architecture and certification

    1. Feature architecture and data flow25 min
    2. Performance and security25 min
    3. React 19 final assessment25 min