Web Development

topic HTML Basics Elements, semantic markup, forms, accessibility (ARIA), and the DOM tree structure. read topic CSS Basics Selectors, box model, flexbox, grid, responsive design, and CSS custom properties. read topic REST APIs Resource naming, HTTP methods, status codes, pagination, versioning, and HATEOAS. read topic Browser Rendering DOM/CSSOM construction, render tree, layout, paint, compositing, and critical rendering path. read topic Cookies and Sessions Cookie attributes (HttpOnly, Secure, SameSite), session management, and JWT tokens. read topic OAuth 2.0 Authorization code, PKCE, implicit, client credentials flows, and OpenID Connect. read topic CORS Cross-Origin Resource Sharing, preflight requests, headers, and security implications. read topic Web Security Basics CSP, HSTS, X-Frame-Options, Content-Type sniffing, and secure headers checklist. read topic SPA vs SSR Single-page apps vs server-side rendering, hydration, Next.js/Nuxt, and trade-offs. read topic HTMX Hypermedia-driven apps, HX-* headers, AJAX from HTML attributes, and server-side rendering. read