Almost a quarter of the world’s population - roughly 1.4 billion use the Internet on a regular basis in 2008. This number is expected to surpass 1.9 billion unique users, or 30% of the world’s population, in 2012, according to IDC. Nearly half of all Internet users will make online purchases in 2008. By 2012, there will be more than 1 billion online buyers worldwide making business to consumer (B2C) transactions worth $1.2 trillion dollars. And business to business (B2B) ecommerce will be ten times larger, totaling $12.4 trillion worldwide in 2012, according to IDC research. So, there’s no doubt that ecommerce is going to get bigger and bigger.

Ecommerce is the online transaction of business, featuring linked computer systems of the vendor, host, and buyer. Electronic transactions involve the transfer of ownership or rights to use a good or service.

Ecommerce Website is a website that support online payment transaction. It can be an online store, or an auction website or membership website which member has to buy membership via online payment system.