Responsive Design
Table of Contents
What is responsive design?
Responsive design is a web‑development approach that enables layout and elements to adapt fluidly to different screen sizes and orientations, ensuring optimal user experience across devices.
Key points
- Tech: CSS media queries, flexible grids, scalable images.
 - SEO: Google recommends responsiveness; avoids mobile‑duplicate issues.
 - Performance: Adaptive images prevent unnecessary data load.
 - Accessibility: Maintains readable font sizes and tap targets.
 - Testing: Use Chrome DevTools device emulation and Lighthouse audits.
 
Pro tips
- Design mobile‑first, then expand to desktop.
 - Implement lazy‑loading for below‑fold images.
 - Minify CSS & JS to offset extra breakpoints.
 
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