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What is a Sub Domain? Domain Vs Sub Domain Examples How to Create

What is a Sub Domain? It is consider as child domain. It is part of the main domain. For Example you have Here Wiki is sub domain. is your main domain. You can also called this is as subdivision.

Subdomain Vs Domain:
You can use it to separate different areas of website. For example:

Sub Domain is part from the Larger Domain that is your main Domain.Many big websites uses sub domain to help its users. Creation of Sub-domain is known as memorable web address for particular content. Do remember that “www” is also called as sub domain.

It is also called as Third Level domain.

For Example:

  • Here .Com is First Level Domain
  • Example is 2nd Level Domain
  • Gallery is 3rd Level Domain that is your sub domain.
sub domain

sub domain vs domain

When to use Sub Domains?

Content Organization: It helps to organize your web content as per your category.

For Example you have domain Name : offering different services to its customers.

You can create sub domains as :,,,

Space Sharing: If you website got large infrastructure, you can share your space for other uses.

FOr Example :,

For Small size Links: If you have larger size URL you can make it short with sub domains.  If you are using URL like this as 3446464

Instead of this you can use sub domain Like this  This will be comfortable to you and users. Like this you can implement number of sub domains.  Please love to have short and sweet URLs. At the same time this will increase your user experience.

Sub domain names Example:


It can be used to make separation of different languages versions Example. and en for English and de for German version.

In this process prefix is added to you main domain name, it can be any word. It is related to your website home directory. How to use subdomains details need to check by you.

How to step up sub domain?
Based on your available hosting service and domain name providers you can set as sub domains from your account. For how to create sub domain one have to visit the given source.

Especially visit your domain management section to do this for each of the hosting providers it is may vary. Read the full instructions before proceeding for it. It depends on your domain name and hosting providers. You have to learn about Adding Sub Domain Godaddy, Namecheap. Gain knowledge about setting up a subdomain.

How Does a Sub Domain Work?

Configure your sub domains well. You have to obtain knowledge regarding of Sub Domain DNS. In upcoming days we will try to cover How to Create a Subdomain? For Godaddy, Namecheap Etc.
For Example :
Digital Ocean
Site Ground
DreamHost Etc.

It is not difficult to create sub domain. 
In SEO if your pages from sub domain and root directory are pointing to the same content then avoid this one.
As per the information given by Google if you are using, Creating sub domains. If you want that your pages are not crawled then you have to use the separate robots txt file
Related Video by Matt Cutts on Sub Domains in SEO Check Here


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