Before trying to understand the usability of an eCommerce site, first you should try to understand what an eCommerce website actually is. An eCommerce website is providing a platform for executing the online transactions and all dealings take place over the internet. Via eCommerce solutions, you can get any product or service within a few clicks of a button from anywhere across the world. Ecommerce sites developed for allowing businesses to sell their products and services to the customers via internet.