What is a Domain Name? Where should you buy? What is a Domain Name? Domain Name (DN) is one of the most important factors in your website. For easy to understand, it’s the web address of your website. If someone wants to visit your website, they must know and remember your website address name, instead of the group of number IP address. It works like your home address, it need to be easy to remember and easy to find. What is a Domain Name? Normally, each domain name contains 3 parts and has the structure like below www.ecoupon.io In among of that www: the prefix of the domain, this is an option, you can visit ecoupon.io without www. ecoupon: the domain name io: the suffix of the domain, it’s also called domain extension Totally, domain names are hierarchy into 3 levels Domain level 1 (also called Top Level Domain – TLD): such as godaddy.com, google.com,… Domain level 2 (secondary level domain): such as google.com.sg,… Sub domain: they’re from domain level 1 or level 2, such as drive.google.com, mail.google.com,… Read the full article here: What is a Domain Name? Where should you buy? I hope this helps.