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Master web performance optimization with proven techniques for faster loading, better Core Web Vitals, and superior user experience. Covers general web apps and React-specific optimizations.

Master frontend unit testing with Jest, React Testing Library, and API mocking. Learn testing strategies, best practices, and real-world examples for bulletproof applications.

Master the Backend for Frontend (BFF) pattern to build scalable, client-specific APIs. Learn implementation strategies, real-world examples, and best practices.

Master frontend monitoring with Sentry, performance tracking, and error management. Learn to build bulletproof user experiences with comprehensive observability.

Master frontend system design interviews with the proven RADIO framework. Learn how to structure your approach and tackle complex design problems with confidence.