What is Sub-domain?
Website
November 06, 2023
A subdomain is a subdivision or extension of a main domain (also called a root domain) that acts as an independent part of the main website. Subdomains are created to organize content or sections of a website separately without needing a new domain name.
Structure of a Subdomain:
- A subdomain is placed before the main domain in a URL and is separated by a dot (e.g., subdomain.example.com).
- The structure looks like this:
subdomain.main-domain.extension
Uses of Subdomains:
- Organizing Website Sections:
- For example, a blog can be hosted on
blog.example.com
while the main site remains atexample.com
.
- For example, a blog can be hosted on
- Localized Versions of a Website:
us.example.com
for the US audience anduk.example.com
for the UK audience.
- Testing or Development:
dev.example.com
can be used for testing updates before applying them to the live website.
- Separate Services:
- Hosting an online store on
shop.example.com
while keeping the main site separate.
- Hosting an online store on
Examples of Subdomains:
- blog.example.com: A blog section of a main website.
- support.example.com: A customer support portal.
- shop.example.com: An online store.
- mail.google.com: The Gmail service as a subdomain of Google.
In short, subdomains help create distinct sections within a website while remaining part of the main domain.
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A full stack web developer specializing in frontend and backend web technologies. With a wealth of experience in building dynamic and robust web applications, he brings expertise and insights to his articles, providing valuable guidance and best practices for fellow developers. Stay tuned for more useful content.
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