Learning roadmaps

Each category is a guided path through its topics — ordered the way real learning builds on itself. Your progress is tracked locally as you practice.176 questions across 12 tracks.

JavaScript Roadmap

6 stages · recommended order

Start track

1FundamentalsVariables, types, coercion and scoping basics.0 / 5Status
2Functions & ScopeClosures, `this`, arrows and higher-order functions.0 / 4Status
3Objects & ArraysDestructuring, spreads and transformation methods.0 / 3Status
4Async JavaScriptThe event loop, promises and async/await.0 / 4Status
5DOM & BrowserEvents, delegation and how scripts load.0 / 2Status
6Advanced JavaScriptPrototypes, debounce/throttle and performance.0 / 2Status

React Roadmap

2 stages · recommended order

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1FundamentalsComponents, props, state and reconciliation.0 / 8Status
2HooksuseState, useEffect, memoization and custom hooks.0 / 7Status

TypeScript Roadmap

2 stages · recommended order

Start track

1FundamentalsTypes vs interfaces, unions, narrowing.0 / 8Status
2Generics & UtilitiesGeneric constraints, utility and mapped types.0 / 7Status

Next.js Roadmap

2 stages · recommended order

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1FundamentalsRendering modes, server/client components.0 / 8Status
2Routing & DataFile-based routing, layouts and route handlers.0 / 7Status

Node.js Roadmap

2 stages · recommended order

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1FundamentalsRuntime internals, modules and streams.0 / 6Status
2Server PatternsMiddleware, errors and graceful shutdown.0 / 4Status

HTML & CSS Roadmap

2 stages · recommended order

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1HTML FundamentalsSemantics, box model and accessibility.0 / 5Status
2Layout & StylingFlexbox, grid, positioning and responsive design.0 / 5Status

Git & GitHub Roadmap

2 stages · recommended order

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1Git BasicsEveryday commands and fixing mistakes.0 / 10Status
2CollaborationPull requests, conflicts and team workflows.0 / 10Status

Behavioral Roadmap

1 stages · recommended order

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1Common QuestionsThe classics — told with structure, not rambling.0 / 10Status

System Design Roadmap

3 stages · recommended order

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1FundamentalsScaling, load balancing, caching and the CAP theorem.0 / 6Status
2Data LayerDatabases, sharding, replication and message queues.0 / 5Status
3Design PatternsMicroservices, unique IDs, crawlers and distributed consensus.0 / 4Status

Database Roadmap

3 stages · recommended order

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1SQL FundamentalsRelational model, keys, joins and normalization.0 / 5Status
2TransactionsACID, isolation levels, locking and deadlocks.0 / 5Status
3PerformanceIndexing, slow-query diagnosis, N+1 and caching.0 / 5Status

General Web Dev Roadmap

4 stages · recommended order

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1HTTP EssentialsMethods, status codes, cookies and caching.0 / 4Status
2Browsers & RenderingRendering pipeline, storage and service workers.0 / 4Status
3Web SecurityXSS, CSRF, CORS and HTTPS.0 / 4Status
4Web PerformanceCore Web Vitals, code splitting and optimization.0 / 4Status

Docker Roadmap

3 stages · recommended order

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1Docker FundamentalsPlatform, architecture, containers vs VMs.0 / 5Status
2Images & DockerfilesLayers, Dockerfile, build cache, multi-stage builds.0 / 5Status
3Running & OrchestratingPorts, volumes, bind mounts and Compose.0 / 5Status