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Web Development

Craft modern, accessible web applications. Understand semantic HTML5, modern CSS flexbox and grid, client-side JavaScript, and component architectures.

1 tutorials published•Updated monthly by the technical editorial team

Published Guides in Web Development

1 articles

Beginner8 min read

HTML and CSS Fundamentals: Building Responsive Web Layouts

Learn how the modern web works. Master semantic HTML5 elements, the CSS box model, Flexbox layout techniques, and mobile-first responsive design.

Key Highlights:

Understand the division of labor between HTML (structure) and CSS (presentation)

Build accessible web documents using semantic HTML5 tags (<header>, <main>, <article>, <nav>)

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Applied Practice

Recommended Free Tools for Web Development Learners

Reinforce what you study with our client-side utilities.

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Beautify, validate, minify, and inspect JSON payloads with line-accurate syntax error reporting.

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Count words, characters, sentences, paragraphs, and estimate reading/speaking times in real time.

Text Case Converter

Transform text into UPPERCASE, lowercase, Title Case, camelCase, snake_case, and kebab-case.

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