Functional features that enable e-commerce
Registration: user registration that allows a site to store credit card information, shipping address, and billing preferences
Shopping cart
Security
Credit card approval: if the website has the ability to receive instant credit approval for credit card purchases through electronic links to credit card clearance houses
One-click shopping: the site has users’ info stored, so when they want to buy something, they order products almost instantly
Orders through affiliates: websites with affiliate programs must be able to track orders that originate from affiliate sites, as well as determine the payment due for referrals.
Configuration technology: it helps users to put products and services together in a variety of ways to allow analysis of performance, interoperability, etc
Order tracking
Delivery Options