Subdomain
Subdomain
A small domain created by dividing a larger domain into sections for different purposes.
In Simple Terms
A subdomain is a small domain created by dividing one large domain into separate sections based on purpose. It's made by adding a string to the front of an address, often to build a dedicated page like a blog or online store separate from the main website. It's used in situations where multiple websites with different roles are run separately while sharing the same base domain name.
Behind the Name
The word "subdomain" combines "sub," meaning below or auxiliary, with "domain." It describes an auxiliary domain that sits beneath a larger, main domain, extending it for a specific purpose.
Take a Closer Look!
A subdomain is an identifying name created by dividing a domain, the address that represents a location on the internet, into smaller pieces based on purpose or use.
For example, if the main website's address is "example.com," you could add "blog." to the front to create "blog.example.com."
Think of it like creating separate rooms or corners inside one large building.
If the main domain represents the whole building, a subdomain works like a sign pointing to a specific room inside it.
This lets you run completely separate content as an independent website while keeping the recognition and management structure of the original domain intact.
Common uses include separating a company's official site from a dedicated recruiting site, or running a service's main site apart from its help pages.
Because server and system settings can be configured separately, subdomains are also used to assign different administrators or change functionality for each piece of content.