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The ultimate frontend skills platform
Master Frontend
Development Skills
Build real-world projects and master core concepts with our curated collection of coding challenges, system design architectures, and practice tasks.
Coding Challenges
Interactive editor with real-world problems. Master DOM manipulation, algorithms, and React patterns.
System Design
Deep dive into frontend architecture. Learn to build scalable News Feeds, Chat Apps, and E-commerce platforms.
Project Portfolio
End-to-end project briefs. Build complete applications with realistic requirements to boost your portfolio.
Featured Challenges
Popular skills mastered by the community
Blogs
Client-Side Rate Limiter
How I built a simple, client-only rate limiter to keep code execution fast, safe, and predictable without any backend dependency.
JavaScriptRate LimiterClient-Side+1
React
Image Carousel
Create an interactive image carousel in React with smooth slide transitions, navigation arrows, dot indicators, autoplay, and touch/swipe support for mobile devices.
ReactJavaScript
React
Dynamic Tic Tac Toe
Build a dynamic Tic Tac Toe game in React with customizable grid sizes, win detection algorithms, player turn management, and game reset functionality. Great for interviews.
ReactJavaScript
React
Dice Roller
Create an animated dice roller component in React with realistic rolling animations, random number generation, multiple dice support, and roll history tracking.
ReactJavaScript
