How to create a website subdomain and what it is

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The more actively a site develops, the more content it contains. An abundance of information can lead to the user leaving the resource without finding what they were looking for. Subdomains of the site could solve the problems of complex navigation. It is also a great tool for scaling a business.

What is a website subdomain?
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 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: .ru, .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.

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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.

Promotion in regional search results. It will be much easier to promote a website in regional search results if you create subdomains for each region or city where the company's representative offices are located. This is explained by the fact that search robots, offering users relevant results, primarily provide websites with a geographic link to the location of users.

Improved navigation. Subdomains are very necessary for marketplaces and large online stores that offer a huge range of products. Subdomains can be used to place information about specific product categories. This will make the structure of the trading platform more logical and convenient for individual segments of the target audience.

Increasing the security of the root site. If you want to change something in the structure of the root site: program codes, functionality, design - it is better to experiment with subdomains first, because you do not yet know whether the target audience will react positively or negatively to the innovations. In the second case, you risk losing positions in search results and worsening the reputation of the resource. If the experiment is limited to a subdomain, the root site will not suffer.

Accessibility from various devices. It is necessary that users can access the site from any gadget, including a smartphone, which currently provides the bulk of traffic. And in this regard, subdomains for mobile versions bring some advantages to business owners:

it is much easier to output the archive section;
faster loading of the site, therefore, the content is easier to perceive;
simpler implementation compared to the web resource for PC;
simplified optimization, again, compared to the heavier computer version.
Speeding up the resource. The site will load much faster if some of the information from it is transferred to subdomains. This is especially relevant for resources with a large number of photos and heavy video content, which slows down the site.

However, even if there are many reasons explaining why a subdomain is needed, you should not rush to create one. For example, if your site has many similar sections, the information of which overlaps in meaning, it is better to use a traditional structure with an increased number of directories.

How to create a subdomain and what nuances to consider
Before adding a subdomain, there are a number of important features to consider.

It is necessary to confirm the webmaster's rights for vietnam telegram data each subdomain in Yandex and Google.
The root domain and each subdomain must have at least 200 pages. Otherwise, search algorithms will recognize the subdomain as a regular second-level page.
If you do interlinking, then within a separate subdomain. You can also put links to the root resource, but it is better to place them in the footer, for example, link to the "About the company" page.
Subdomain names cannot exceed 63 characters, and there cannot be more than 127 levels.
It is better to add subdomains to the webmaster panel separately. This will facilitate personal monitoring and analytics in the future.
Each subdomain requires a separate profile, since the link mass of the root resource does not extend to subdomains.
The semantic cores by which the root site and subdomain are promoted must be different. One semantic core for all promoted resources can lead to their mutual competition and even to filters from search engines.
The content on the main resource and subdomains should be different so that search engines do not consider the pages as duplicates. If you need to register one text fragment on several subdomains, put the rel="canonical" meta tag, which will point to the canonical page. If you need, for example, to make product cards unique. Suitable options include indicating the region or city in the title, posting reviews indicating the region, differences in prices depending on the location, etc.
The root site and subdomains should have similar (but not identical) design.
Also, before making a subdomain, you need to be prepared for the fact that you may have to expand your staff for a separate subdomain. After all, each new subdomain means regular portions of content, separate technical support, and much more.