Subdomains
A subdomain is a second level domain name that is part of another domain. For example, rtos.eg3.com is part of the eg3.com domain name. In this case, eg3.com is the parent domain and "rtos" is the subdomain. Subdomains have two major functions. They can either help to organize a website’s content, or they can shorten a websites address.
The use of a subdomain in terms of SEO, and getting to the top of Google should not present too many drawbacks in a campaign. Subdomains rank just as well as regular domains. However, you will have to treat each subdomain as a new, website though. For the SEO marketer that means all the steps taken to rank, and to acquire links will have to be performed for each subdomain created.
Use subdomains when you have content that you feel searchers would have a need to have it separated from the root domain. For instance, videos are very different from articles, so it would make more sense to separate them into subdomains. Look at the use of a single domain versus subdomains versus separate domains from a business perspective. What makes most sense for the users? If you have completely different business models, they may appear more credible as individual subdomains.
By Marcus Howery
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