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Same Site Dominates SERPs  (View post)

Dan Tobias [PersonRank 6]

Friday, April 6, 2007
15 years ago3,149 views

Use of subdomains for a family of related sites is a perfectly reasonable, non-abusive thing to do; I do this with such sites as and (as subdomains of, and a whole lot of other sites do it too: Wikipedia has its different language sites as subdomains of; craigslist has various city subdomains; and, of course, Google does many of its services using subdomains of (, etc.). It's more logical than using Stupid Unnecessary Domain Names for everything, registering lots of names with your base name as a substring (which, unfortunately, Google also does a lot of).

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