Ecommerce websites have many advantages over the usual shopping ways. First of all it is an online process where there is no nagging salesman to push for making a purchase. The user can take their own time in going through the items in the website, study them, compare and when satisfied with the features, buy it. One can view and purchase the product of their choice just by sitting at home. Customers get huge collection to choose from, the overhead cost of shopping is also reduced through online shopping.
Also customers can make apt comparisons between specific products sitting in the comfort of their home. Sometimes few products face more discretion than others due to their characteristics, for example perfumes, cosmetics, clothing, etc which require physical feel of the product. Also there are products that require in-store help for better understanding.