Responsive web design improves user experience by ensuring that websites function well across a variety of devices, from desktop computers to smartphones. By using fluid grids, flexible images, and media queries, responsive design allows the layout and content to adapt dynamically to different screen sizes. This adaptability enhances usability, making it easier for users to navigate, read, and interact with the site, regardless of the device they use. An optimized responsive design also positively impacts SEO (search engine optimization), as search engines favor mobile-friendly websites. Consequently, responsive web design is crucial for maintaining engagement and accessibility in today’s digital landscape.