What are mobile and tablet optimised websites?
A mobile and tablet optimised website is a website that’s been designed in such a way that it restyles based on the device in order for the website to appear clean and functional, instead of overlapping and being generally broken.
Websites should be designed with all devices in mind, not just computers. A huge percentage of internet users rely on their mobile devices to find what they are looking for, and also make purchases from their mobile devices.
If you have had a website made for you, especially in the last few years and it is not a responsive website design, I’d be asking your website designer or developer why it isn’t.