Build a robust React dark mode with CSS variables, system preference, SSR-safe setup, persistence, accessibility, and Tailwind integration.
Build fast, memory‑efficient React virtualized lists with tuning tips for overscan, variable heights, a11y, and profiling—plus practical code examples.
Learn Next.js image optimization with next/image: responsive sizes, AVIF/WebP, blur placeholders, CDN loaders, caching, and production checklist.
Apollo vs Relay: strengths, trade‑offs, and when to choose each for React GraphQL apps, from caching and pagination to SSR, typing, and developer UX.
A practical guide to React dynamic imports and lazy routes with React Router, preloading strategies, SSR notes, and performance pitfalls.
Hands-on Framer Motion tutorial for React: setup, key APIs, gestures, layout, AnimatePresence, scroll, SVG, performance, TypeScript, testing.
