From Web Fundamentals to Senior React/Next.js Architecture
The non-negotiable structural and semantic foundation of all browser applications.
ARIA labels, keyboard navigation, SEO meta structures, and accessible DOM hierarchies.
Deep dive into layout geometry, responsive fluid design, and CSS variables.
Closures, prototypes, Promises, async/await, microtask vs macrotask queues.
Declarative reactive UI rendering, package managers, and component systems.
Generics, utility types, discriminating unions, and strict compiler configs.
State management, custom hooks, Server Actions, Suspense, and performance profiling.
Utility-first design tokens, dark mode theming, and headless accessible components.
Full-stack client/server boundaries, caching strategies, and Core Web Vitals.
React Server Components, dynamic streaming, caching layers, and SEO optimization.
Component unit testing, integration tests, and cross-browser End-to-End automation.