When you have a main website with sub-domains, it appeals to a larger audience that attracts attention and increases online income. Visitors normally visit a website that they are attracted to due to products and service. When visiting the website they see links that direct them to a main site.
That website, which they wouldn’t have visited otherwise, is a big benefit for a business that desires to improve the online recognition. One of the things that search engines want is a reliable website. This is how some names have become popular and visible in nearly every single search made online.
When all the sub-domains are directed to the main domain, it increases the reputation and authorisation of the main domain. It makes certain that it is noticed by the search engines and improves the business’s online ranking in the search engine results. However, each website has to be compelling and unique.