A responsive design is a design, which responses rather adjusts itself nicely and quickly to a user's choice of device and view, landscape or portrait or whatever. Sometimes we call it fluid design, because its like a drop on a lotus leaf, it justs orients itself as per your demand. Sun dew solutions researched well on this topic and can make a solution for you which is a charm to use.
Today there are a many different screen sizes across phones, tablets, “phablets”, desktops, game consoles, TVs, and wearable. Responsive design orient to any screen size, today or in the future.
User feel happy when they see the designs getting adjusted, be it portrait or landscape and that too at a fast speed.
With responsive design, you only change in one place, which applies for all. Fix bugs at one place it applies to all.
If a design is responsive, the users visit the site often and stay for long. Also, link building, content change, keyword updating once done applies for mobile too.
With responsive design, not only site visitors increase, mobile usage increases and the users like it, consequently they are prone to place order.
Any website needs administration for modifications, fixes etc. and with responsive web design, you only do it in one place. No redundant work, saving you both time & money.