A subdomain (or subdomain) is a resource with original functionality, structure and content, which, despite its apparent autonomy, is still a branch of the root site. If we give a completely everyday analogy, then the domain is a medical center. Many departments offering completely different services are subdomains: the first floor is otolaryngology, the second is pulmonology, the third is surgery.
When talking about what a subdomain is, it is worth taking a closer look at its name. It includes three elements:
Domain zone. This element of the name is located to the right ecuador cell phone number list of the last character in the name of the web resource and is managed by the registrar responsible for issuing and authorizing the domain name: .org, .net, .com – all these are examples of domain zones.
Root domain. It is located to the left of the last character related to the domain zone. It is the main element of the root domain name, necessary for recognizing a brand or organization.
The third level domain. It can be seen to the left of the root element. This is the subdomain name.
To summarize, a subdomain is an element of a higher-level domain that functions as a stand-alone resource.
Why do you need a website subdomain?
Subdomains are usually created by large companies with different target audience segments, a large range of products, many regional branches, etc.
How to create a website subdomain and what it is - image 1
To answer the question of why subdomains are needed, let's take a closer look at the functions they perform.
Resource promotion in search engines. Since a subdomain is a separate resource for search engines, the root site has some SEO advantages. Thus, there are more opportunities to attract traffic. If, for example, a company is promoting itself in a highly competitive niche, it must use high-frequency keywords to reach the top. But the problem is that no more than three high-frequency keywords can be registered on the main page of the root domain. Subdomains help solve this issue, since a fairly large number of high-frequency keywords can be distributed between them, which can potentially help increase the visibility of the main resource by search algorithms.