What is Subdomain?
The short answer
A subdomain is a prefix on a domain, like shop.example.com, that can point to a separate site or service while sharing the main brand.
Subdomain, explained
Search engines may treat subdomains somewhat separately from the main site, so where content lives is a strategic choice.
Questions people ask about Subdomain
What is Subdomain?
A subdomain is a prefix on a domain, like shop.example.com, that can point to a separate site or service while sharing the main brand.
Related terms
A domain name is the human-readable address of a website, such as example.com, that points to the server where the site lives.
CNAME recordA CNAME record is a DNS record that makes one domain name an alias of another, commonly used to point www or a subdomain at a hosting provider.
DeployTo deploy is to publish a new version of a website to its host so visitors see it; modern hosts deploy automatically when code is pushed to Git.
CI/CDCI/CD is automation that checks and ships code: continuous integration runs builds and tests on every change, and continuous deployment releases what passes.
Part of the Web Encyclopedia by Apex Flow Digital. Definitions are general knowledge, kept current, with no invented statistics.