Responsive web design (RWD) is a web design method aimed at designing web pages in a way that they are easily accessible over various devices ranging from the mobile phone, tablets, laptops, etc.

Mobile Responsive Websites is important because

1. Over half of the web traffic is on smartphones and tablets.
2. Google favors mobile friendly websites.
3. Mobile friendly websites increases conversion
4. Reduces bounce rate
5. Business will be seen modern and relevant.