What is a sub domain? How is it related to free blogs?

“A sub domain isn’t always related to a free blog”

There are a few popular websites like WordPress, Blogspot, Joomla, Quora who provide limited free space to an user in a sub domain to use it like a website/blog.

For example: http://blogrator.com is a main website but http://in.blogrator.com is a sub domain of blogrator. Both the main and sub domain work as a normal website that one can’t differentiate. readmore…


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