A website that allows you to buy or sell products and services online is known as an eCommerce website.

Consumers can study, browse, and purchase their favorite products from the comfort of their own homes with just a few clicks from their computer, tablet, or mobile device thanks to eCommerce websites.

Ecommerce websites are divided into two categories:
1. Websites dedicated to specific vendors
They are designed for and run by a single company that is the only seller on the site. Having your own branded area to market and promote your products and services may be as simple as creating and administering your own website.

2. Online marketplaces with multiple vendors.
Multi-vendor online marketplaces offer goods and services from a variety of vendors. Multi-vendor internet marketplaces such as Amazon, eBay, and Alibaba are well-known examples.