It is an online piece of art.Your smart phones need smart mobile friendly website. Today when we are so adaptive to the technology, it is very essential that our website representing our company online should also be adaptive to technology. And that is what a responsive website is adaptive to multiple fixed widths and layouts.
Today this is recommended by every company. So go ahead make pages that look great at any size. Match your website to growing platforms, devices and browsers. It is a fundamental shift to how we will build website for the coming decades.