
Do Websites Need to Look the Same in Every Browser?
Progressive enhancement in web development is often misunderstood: it allows us to take advantage of more modern browsers, without penalising the older ones.
Articles
Responsive development asks one implementation to cope with changing space, capabilities, and content rather than guessing a fixed device. The articles here work through the CSS and browser behaviour behind that flexibility. Unlike adaptive development, the goal is usually to keep one codebase coherent as the conditions change.

Progressive enhancement in web development is often misunderstood: it allows us to take advantage of more modern browsers, without penalising the older ones.

How responsive layouts, adaptive experiences, dynamic serving, and separate mobile URLs differ, and what each choice means for design and maintenance.

See why CSS visual order can differ from document, reading, and focus order, with Flexbox and Grid examples plus a safer responsive structure to test.

grid in CSSStart using CSS Grid with containers, columns, rows, item placement, gaps, track sizing, flexible layouts, and practical two‑dimensional examples.

Discover advanced responsive web design techniques with CSS Grid, clamp(), container queries, and JS enhancements for performance‑optimised, adaptive sites.

JavaScript frameworks streamline development with reusable components, state management, and optimised rendering. Here, I compare React, Vue.js, and Angular.

vw and vhUse CSS viewport units vw and vh for responsive sizing, understanding percentage‑of‑viewport behaviour, full‑screen layouts, and mobile browser caveats.

Understand CSS media queries for responsive design, including screen conditions, mobile‑first, and desktop‑first approaches, breakpoints, and device traits.

Improve website performance with practical HTML, CSS and JavaScript checks, from assets and rendering to scripts, measurement and Core Web Vitals.

window.resize Events in iOSUnderstand phantom window.resize events in iOS Safari, including dynamic browser UI, viewport changes, orientation, user interaction, and mitigation patterns.