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What is a Subdomain in Digital Marketing?

Learn all about digital marketing, we have built this glossary to help you understand everything to thrive in online marketing and promoting your website or business.

What is a Subdomain?
A subdomain is a subset or a smaller part of a larger domain of the internet. It helps in organising and navigating a website, making it easier for visitors. A subdomain is part of the larger website, but it’s considered a separate entity by the search engines. Typically, it's used to organise and separate different sections or services of a website.
For example, if your main domain is 'yourwebsite.com', you can create a subdomain like 'shop.yourwebsite.com' for your e-commerce page. This improves user experience, by making your website easier to navigate.
A subdomain is versatile and can be used for testing new ideas, launching blogs, setting up e-commerce sites, creating community forums, or offering mobile content.
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Subdomain's Role in Digital Marketing
Subdomains play a significant role in digital marketing. They help in improving the organisation of a website, thereby enhancing the user experience and SEO. A well-planned subdomain strategy can offer a site better search engine ranking.
Search engines view subdomains as separate websites which means you can build the authority of each subdomain independently. This allows for great flexibility in terms of SEO and user targeting.
From a branding perspective, subdomains can be used to present different products, services or content themes that may be distinct from the main brand. This can be helpful in segregating aspects of the business or targeting different user demographics.
Subdomain Examples
In practice, subdomains are often used by large organisations that offer different products or services. For instance, 'support.microsoft.com' is a subdomain of 'microsoft.com' that offers customer support.
Bloggers and content creators also use subdomains to separate different content categories or themes. For example, a cooking blog might use a subdomain like 'baking.blogname.com' to specifically host baking-related content apart from the main content.
Another common use of subdomains is for testing development versions of a website. Developers might use 'dev.website.com' to test new features, while the main website stays unaffected.