In today’s world people search the web using many different devices and screen sizes. Your site must render perfectly on all devices. If not you could miss out on customers that you are spending money marketing too. People that visit your website will decide in the first two to three seconds if they are going to use your website. That is why first impressions mean everything. You do not want to cut down your target market simply because your website only looks good on certain devices. This is a must in today’s digital world.