When designing an e-commerce site, it's important to remember that every home page of such a web system must contain a link
to the shopping cart page. The reference to the
shopping cart page can be This can be effectively implemented through an icon that resembles a shopping cart or a shopping bag.

The shopping cart icon, in fact, immediately lets the user know
that purchases are available on that site.

Design Objectives of the Electronic Shopping Cart on an E-commerce Site

The electronic shopping cart page must be functional to the pursuit of
these three fundamental design objectives for an e-commerce website:

1. Let users understand how much they will pay
2. Let them understand what they will pay for
3. Let them understand how they will pay

The elements to be included on the page must relate both to the individual
product added to the cart and to the purchase as a whole. For each
individual product, we should enter the following information:

• name
• quantity
• link (or summary) description
• available
• price

For all purchases, we will enter:

• total cost
• shipping (cost and options)
• discount coupons
• payment options

Electronic shopping cart features in an e-commerce site

The features of an electronic shopping cart are, in a certain sense,
an upgrade of the functionality of a physical shopping cart. The features of the electronic shopping cart can be summarized as follows:

• Ability to add/delete products
• Ability to change quantities and recalculate amounts
• Ability to re-purchase items
• Permanent items (e.g., 30 days)
• Ability to activate the payment process