Before adding a subdomain, there are a number of important to create a subdomain features to consider.
- It is necessary to confirm the webmaster’s rights for 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 fax lists 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 how often should i clean my air conditioner? 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.
How to create a subdomain on hosting
To create a subdomain, follow a few simple steps.
- Add a new A-type record for the list of us mobile phone numbers subdomain. To do this, go to the DNS records management section on the hosting control panel, find the “Create” or “Add” button, and specify the A-type record.
- Enter the subdomain name in the Host Name field.
- Enter the IP address of your server or hosting provider in the “Value” field. On some hostings, this field is filled in automatically.
- Repeat the algorithm for the www subdomain.
- Save changes to DNS settings.
After that, you need to wait until the DNS records are updated. This means that the subdomain may not work immediately. On average, updating the database takes from 15 minutes to 3 hours.
How to find out the subdomains of a website
If you need to search for a subdomain, for example, for SEO audit or competitor analysis, you can use special operators or services. For example, to search for a subdomain, you can limit the search results to a specific site. To do this, enter the operator “site:”. Another option is to use the operator “-” to exclude any construction with another operator from the search. You can also search for pages whose URLs contain the phrase of interest by using the operator “-inurl:”.
Among the available subdomain detection services are:Census,Be1.ru,Pentest-Tools,Nmmapperand others.
Conclusion
A subdomain is a resource that has unique functionality, offers original design and content, but is part of the root site.
Subdomains are created to:
- improve SEO promotion capabilities, including regional ones;
- make navigation of the root site and thematic subdomains simpler and more logical;
- “unload” the root resource from heavy elements and thereby speed up its work.
Before creating a subdomain, it is worth analyzing whether a specific company really needs it, and also taking into account a number of nuances, such as the features of interlinking, differentiation of the semantic core, uniqueness of pages, link profile and much more.
