Smartphones and tablets are becoming increasingly popular and there are now numerous different sizes available. According to research, more than 60% of shoppers use smartphones and tablets to browse the web and shop online. If you don't optimise your website for mobile devices, then it will be difficult to keep up with your clients.
Responsive web design makes search engine optimisation
easier and helps your website show up on the results of search engines like Google, Bing and Yahoo it is known that mobile friendly websites rank higher. If a normal user visits your website from a mobile device, then it should be optimised for that device. Otherwise, it would be difficult to use your website.