Responsive design is important to avoid unnecessarily resizing, scrolling, zooming or panning that happen with websites that are not optimized for different devices.
It is difficult to navigate these sites, and you can lose your potential customers who get frustrated with trying to figure out how to do something.
If you are interested in Web Development, check out these Web Development Courses by Intellipaat.
Also, watch this video to learn more about Responsive Web Design:
