Adaptive vs. Responsive Design & Development
Now used as almost trivial marketing buzz words, there really are significant differences between responsive and adaptive design and development techniques.
Articles
Responsive Development, page 2 of 2
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.
Adaptive vs. Responsive Design & Development. 
CSS Visual Order is Not Document Order. CSS Visual Order is Not Document Order
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.
How to Use grid in CSS. How to Use
gridin CSSStart using CSS Grid with containers, columns, rows, item placement, gaps, track sizing, flexible layouts, and practical two‑dimensional examples.
Advanced Techniques for Responsive Web Design. Advanced Techniques for Responsive Web Design
Discover advanced responsive web design techniques with CSS Grid,
clamp(), container queries, and JS enhancements for performance‑optimised, adaptive sites.
Leveraging JavaScript Frameworks for Efficient Development. Leveraging JavaScript Frameworks for Efficient Development
JavaScript frameworks streamline development with reusable components, state management, and optimised rendering. Here, I compare React, Vue.js, and Angular.
Using Viewport Units in CSS: vw and vh. Using Viewport Units in CSS:
vwandvhUse CSS viewport units vw and vh for responsive sizing, understanding percentage‑of‑viewport behaviour, full‑screen layouts, and mobile browser caveats.
Understanding Media Queries in CSS. Understanding Media Queries in CSS
Understand CSS media queries for responsive design, including screen conditions, mobile‑first, and desktop‑first approaches, breakpoints, and device traits.
Optimising Website Performance with HTML, CSS, and JavaScript. Optimising Website Performance with HTML, CSS, and JavaScript
Improve website performance with practical HTML, CSS and JavaScript checks, from assets and rendering to scripts, measurement and Core Web Vitals.
Understanding Phantom window.resize Events in iOS. Understanding Phantom
window.resizeEvents in iOSUnderstand phantom window.resize events in iOS Safari, including dynamic browser UI, viewport changes, orientation, user interaction, and mitigation patterns.