A domain is the primary address that identifies a website on the internet. It is unique and typically consists of two parts: the website's actual name and the domain extension (such as .com, .org, or .net). In the domain "example.com," for example, "example" is the website owner's domain name, and ".com" is the domain extension.
A subdomain, on the other hand, is a subset of a larger domain. It is used to organize and divide a website's content into smaller sections. Subdomains are created by appending a prefix to the main domain name, followed by a dot. For example, in the subdomain "blog.example.com," "blog" is the subdomain and "example.com" is the main domain.
Domains are purchased from a domain registrar and require a monthly or yearly payment to keep them active, whereas subdomains are free. Domains are important for brand credibility and SEO, whereas subdomains are great for targeting a specific audience or testing out new content.
Subdomains are commonly used to separate different types of content or to set up landing pages for marketing campaigns or ordering online, among other things.
Subdomains can have their own content and functionality, but they are still part of the main domain. To some extent, each subdomain can be treated as a separate website, but they all share the same domain name.