RAJWEBTECH Responsive web design makes use of CSS3 media queries and fluid grids to create Responsive websites, with optimal layout and design, for screens with various sizes. So your website layout changes depending on the size of screen being used to view it. There are other parameters that can be used to decide on the layout for a particular device, however, width is one of the primary deciding factors.
One website for multiple devices
Focus on usability
SEO friendly design
No separate URLs for similar content and hence no duplicate content.
Since you end up with just one website, therefore, it is less expensive and much easier to maintain.
Your website is optimally viewable on various Mobile devices with the least amount of zooming, panning, scrolling etc.