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1. I'm curious to know what the benefits to creating sub-domain pages vs directory level pages would be.
2. When creating sub-domains is there something that I need to be careful not to do - any rules to follow? I'm not too familiar creating these so any advice would be great!
3. Also if I have a page that is www.companyname.com/service.html and it not getting great results and want to create www.service.companyname.com - should I get rid of the /service.html page because the spiders would count the sub- domain and the directory level page as duplicate content?
4. How do you go about linking a sub-domain to the actual site? Do you just include links in the internal pages like normal-- or?
Any help is appreciated!
Thanks!
2. Do not cross theme's < old spam trick. Seperation of content due to difference, and lack of themed similarities, look at search engines to get a feel for sub-domains
3. I would not use sub-domains for single pages, extremely perplexing, and PR and Rank importance carries differently across sub-domains, as opposed to base and sub-directory pages.
3b. i would, not duplicate anything on a sub-domain, that you wish to keep in the main base url. Personal opinion.
4. Depends how you are coding it, if via wysiwyg's, then its not so straight forward, all url's have to be absolute, where as wysiwyg's like relative url's. May be better to hand code the url's linking the sub-domains and main domains together. One thing to take into account is the structure. Clarity of content (within theme's) accross sub-domains is crucial for users and SE parsing.
