With the increasing popularity of mobile devices comes the demand for websites that will display properly in the various screen sizes for desktop monitors, tablets and smart phones.
There are so many types of devices and screen sizes today that to design a website for each one is impractical. The alternative solution is to create a website that utilizes a responsive design where the web page adjusts automatically according to the size of the screen where it is viewed.
Using this website as an example, below are three versions of the home page. The three formats below originate from the same web page which has a flexible, or responsive design built into it. Sites developed using responsive web design enable multiple audiences to be served simultaneously while only having to build the site once.