According to online sources mobile phones account for 22% of global web usage and this doesn’t even include tablets. This shows the growing need for websites to adapt to the different platforms in which users are viewing their content.
Responsive web design (RWD) is an approach to web design aimed at crafting sites to provide an optimal viewing and interaction experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—across a wide range of devices (from desktop computer monitors to mobile phones).
Responsive design is an approach aimed at crafting sites at development stage to provide an optimal viewing experience across a wide range of devices. It in essence re-structures/re-sizes the information on a website dependant on the size of device. If done correctly this can produce an extremely versatile website which will be a pleasure for users no matter what device they may use.
The result is a website which is clean and simple to use and responds to the size of device which it is being viewed upon. All elements including the navigation adapt when reducing in size meaning that the ease of use is maintained.