Responsive design is an approach that helps you to build a site capable of adapting to any environment. So, that, you save money, time, and energy. Though you may argue that responsive web design is all about grids, image changes, and screen resolutions, but the purpose of Responsive Web Designs is:
- To have a website that the users can browse from any device.
- To make your users happy. If they love your site, they would come back to it irrespective of the device they are using at the time.
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Also, watch this video to learn more about Responsive Web Design: