Web Development

Web Development

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HTML, CSS, JavaScript, and frontend development guides.

Articles in this section

CSS Animations: A Complete Guide Master CSS animations — transitions, keyframes, transforms, performance optimization, and creating engaging user … 7 min HTML Forms and Validation: Complete Developer Guide Master HTML forms with built-in validation, input types, constraint validation API, accessible form design, custom … 9 min Sass Guide: CSS Preprocessor for Scalable Stylesheets Master Sass CSS preprocessor for maintainable stylesheets. Learn variables, nesting, mixins, functions, inheritance, … 8 min Responsive Web Design: CSS Grid, Flexbox, and Media Queries Learn responsive web design — CSS Grid, Flexbox, media queries, mobile-first design, and building layouts for every … 8 min Web Security: HTTPS, CSP, and XSS Prevention Learn web security fundamentals — HTTPS, Content Security Policy, XSS prevention, CSRF tokens, and securing web … 7 min Web Accessibility: WCAG 2.2 Standards and Inclusive Design Build accessible websites following WCAG 2.2 standards. Learn ARIA, screen reader support, keyboard navigation, color … 9 min Web Performance Optimization: Core Web Vitals and CDN Optimize Core Web Vitals with Lighthouse audits, lazy loading, code splitting, image optimization, CDN strategies, and … 9 min Web Typography: Font Selection and Readability Guide Learn web typography fundamentals — font pairing, modular type scales, line-height, measure, web font optimization, and … 8 min Progressive Web Apps: Offline and Push Notification Guide Build Progressive Web Apps with service workers, cache strategies, push notifications, web app manifest, and … 8 min Web Performance Monitoring: RUM, Core Web Vitals, Alerts Monitor real user performance with RUM data, Core Web Vitals tracking, performance budgets, and automated alerting. … 9 min CSS Custom Properties: A Complete Guide to CSS Variables Master CSS custom properties — defining variables, scope, fallbacks, dynamic theming, and real-world use cases with … 8 min CSS Flexbox: The Complete Guide with Examples Learn CSS Flexbox from basics to advanced. Covers flex-direction, justify-content, align-items, flex-wrap, and … 8 min CSS Grid: The Complete Guide with Examples Learn CSS Grid Layout from basics to advanced. Grid containers, items, areas, and responsive layouts with real-world … 7 min CSS Preprocessors: Sass, Less, and Stylus Master CSS preprocessors — Sass, Less, and Stylus — variables, mixins, nesting, functions, and workflow automation. 7 min How to Center a Div in CSS: The Complete Guide Learn every way to center a div in CSS: horizontally, vertically, and both. Covers Flexbox, Grid, margin auto, and … 7 min HTML Semantic Tags: When and How to Use Them Complete guide to HTML5 semantic tags. Learn when to use header, nav, main, article, section, aside, and footer for … 9 min JavaScript DOM Manipulation: A Complete Guide Learn JavaScript DOM manipulation — selecting elements, modifying content, handling events, and creating dynamic web … 8 min Responsive Web Design: A Complete Guide Learn responsive web design with CSS media queries, flexible layouts, and responsive images. Build sites that work on … 8 min