Responsive web design is the approach that suggests that design and development should respond to the user’s behavior and environment based on screen size, platform and orientation.
Nowadays R.W.D is matter why because people are using smart phones and tablets are increased more and more. So every company has to track the customers wherever they are and what type of electronic devices is using.
There is a big false impression among many people all over the world that web services; rather creating a website for a business would be highly expensive. However, the fact is that when you choose an cheap website design, you can save a lot of money. As a traditional advertisement mode requires a lot of money for a long term of advertisement, a responsive design for your website would help you gain traffic and profit forever, but at the same time cost you only once during its creation.