Main Domain Site?

What I have not been able to get clear in my mind is how to build my MAIN or HOME site. I am going after the weight-loss sector and not sure if I should build an Authority site in that sector as my main/home site or as a sub-domain. As I understand it, an Authority Site can have sub domains so long as they are within the same niche or theme, ie. weight loss. Am I correct and if I am, can an Authority Site of a particular theme/niche be a sub domain of my Main Website if I use my name?

For example, I have a registered domain which is my own personal name (acy*.com). Using Blogger I can create a blog of that name and then create an Authority Site Sub Domain having to do with weight-loss. I have not yet found the products I want to promote but I know that I want to tackle weight-loss.

Once I get it recognized and indexed by Google and begin seeing traffic, I can then begin creating sub domains under it as long as they are within the same theme (weight loss), right? Sub domains would then be like supplements, such as Acai Berry and or other dietary aids. Another would be exercise equipment and/or apparel and so on.

I want to do this correctly the first time and not be struggling with building different sites. I realize that the practice will do me good but it is more important to me to get my site up and published first. I can play with Blogger later. My reason for using my name as my Main Domain is to give credence to myself and to begin branding myself. Besides the fact that I already have it and it's paid for the next three years.

alex44

You can keep blogger as hosting with your own domain name.

inoor92

@alex44, you probably want to implement something like what Matt Cutts have done with his name as his domain name. The difference though is that you wanted to employ subdomains to represent sub-sections; while Matt Cutts uses directories to achieve that.

There's no real difference between directories and subdomains, SEO-wise though. But, as far as I know, directories are more easy to handle then subdomains (just like creating a folder in the root directory).

I can see no problem with what you are trying to come up. But take a look at these examples.

Subdomains:
 alex44.com - crediting yourself
 weight-loss.alex44.com - a section where you talk weight loss
 acai-berry.weight-loss.alex44.com - a subsection where you talk about specific weight loss products

Directories:
 alex44.com - crediting yourself
 alex44.com/weight-loss/ - a directory where you talk weight loss
 alex44.com/weight-loss/acai-berry/ - a subdirectory where you talk about specific weight loss products
 
Which you think gives your name more prominence, thus giving you obvious credit for the work? (crediting your name is your main goal right?)

Again, directories are more easier to setup then subdomains. Plus, you wouldn't have much problem with 301 redirects (just in case you're shutting down some unproductive sections.) Thus, less problem for bots / crawlers to understand your site structure and reach your deepest contents which means better page indexing on search engines and agreeable to gaining boosted rankings.

Note: if humans can easily understand your site structure, why can't bots?

You can observe Matt Cutts site structure for you to have an idea on how to deal with it. Check his site at http://www.mattcutts.com/

regmac

to use main domain can must install script into root

Turborx