top of page

Subdomain: Definition, Benefits, and Best Practices for SEO


Subdomain refers to a part of a website that is separate from the main domain. It is like a mini-website within a larger website. Subdomains have their own unique web address, usually appearing before the main domain name. For example, if the main domain is "," a subdomain could be "" Subdomains are commonly used to organize different sections or types of content on a website.


Subdomains are important for several reasons. Firstly, they help to categorize and structure the content of a website, making it easier for visitors to navigate and find what they are looking for. Secondly, subdomains can improve search engine optimization (SEO) by allowing specific sections of a website to be optimized for different keywords or topics. This can help increase visibility and attract more organic traffic from search engines. Lastly, subdomains can be useful for creating separate branding or identity for different parts of a website.

Sample Usage

Let's say you have a website about cooking with different categories like recipes, tips, and product reviews. Instead of having all the content under one domain, you can create subdomains like "," "," and "" This way, visitors can easily access the specific content they are interested in. Additionally, you can optimize each subdomain for relevant keywords, making it more likely to appear in search engine results for those specific topics.

Related Terms

There are a few related terms that are important to understand when discussing subdomains. The main domain refers to the primary web address of a website, such as "" Subdirectory, on the other hand, is a part of a website that is located within the main domain, appearing after the domain name. For example, "" is a subdirectory. It is important to differentiate between subdomains and subdirectories, as they serve different purposes and have different implications for website organization and SEO.

bottom of page