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Learn. Ship. Level up.
Interactive React courses, field notes, and everything I wish I had when I was starting out. Free. No fluff.
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courses available
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incoming
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articles
1,700 XP
total XP
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React Training
LVL 01
0%
React Fundamentals
Master the building blocks
From zero to confident. Components, props, state, effects — the mental model that makes everything else click.
ReactJSXHooksState
9 modules4h 30m+350 XP
Start →LVL 02 SOON
Component Patterns
Architecture that scales
Compound components, render props, custom hooks — the patterns senior engineers actually use to keep codebases sane.
PatternsCustom HooksContextComposition
8 modules5h 10m+450 XP
LVL 02 SOON
State Management
Zustand, Context & beyond
When useState isn't enough. A practical tour of global state, server state, and how to choose the right tool.
ZustandReact QueryContextTanStack
7 modules4h 50m+400 XP
LVL 03 SOON
React Performance
Fast by design
Memo, lazy loading, profiling, Suspense — what actually moves the needle and what's premature optimization.
MemoSuspenseProfilingLazy
6 modules3h 40m+500 XP