With the rise of smartphones, people are now using smartphones and hand held devices not just to make phone calls and use social sites but also browse internet. Therefore, when you are building a website, you need to make is mobile responsive, which means your site adapts to the screen f the device used. One of the easiest ways to make a mobile responsive website is by using responsive theme, which optimizes not just the website for even the content, including images and ads to adapt to the device used to check the site.