Usability is the ease and convenience of using a website. At first glance it is a fuzzy and not obvious value. In fact, we are all very picky by nature. It is unlikely that you’ll be long on the pages of a site that is not convenient for you.
In fact, the concept of usability is very deep and includes many factors, the evaluation of which can improve the site at times, as well as to increase the time spent on the site visitors.
An interested visitor is a potential customer. Staying on your site he will choose the product or service he was looking for. A greater number of visitors generates a greater number of purchases, which increases your sales.