Responsive website design is suitable all kind of devices like as desktop, tablet, smart mobile etc. This type of website capability to create more traffic than other websites. Responsive Website should magically adjust itself according to devices and increases website loading speedily.
Now day number of audience using multiple devices. So responsible website gives user's different browsing experience by creating a flexible and responsive web pages.
That will definitely increase your website quality, users and allows you to stay ahead in present trend.