Performance Overview
18+ questions covering optimization techniques, image optimization, caching, lazy loading, and monitoring.
Image Optimization
Image formats, lazy loading, responsive images, WebP, next/image, and performance best practices.
Caching Strategies
Browser caching, service workers, CDN caching, cache invalidation, and performance optimization.
Lazy Loading & Code Splitting
Dynamic imports, React.lazy, route-based splitting, component-level splitting, and optimization strategies.
Core Web Vitals
LCP, INP, CLS — Google's user-centric metrics for web experience and SEO ranking.
Performance Monitoring
Web Vitals, Performance APIs, monitoring tools, and React Profiler.
optimization-techniques
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