Responsive web design (RWD) is an approach to web design aimed at allowing desktop web pages to be viewed in response to the size of the screen or web browser one is viewing with. In addition, it’s important to understand that Responsive Web Design tasks include offering the same support to a variety of devices for a single website.
Responsive web design has become more important as the amount of mobile traffic now accounts for more than half of total internet traffic. Therefore, Google announced Mobilegeddon in 2015 and started to boost the ratings of sites that are mobile friendly if the search was made from a mobile device. Responsive web design is an example of user interface plasticity