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Possible Duplicate:
Subdomain versus subdirectory

I'm working on a site that will act as a sort of companion site or sub-site to my main site.

Is there a difference in SEO of setting it up on a sub-domain or sub-directory?

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migrated from stackoverflow.com May 10 '11 at 12:06

This question came from our site for professional and enthusiast programmers.

marked as duplicate by Jeff Atwood May 10 '11 at 12:07

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

I don't know about SEO, but I thought there was a specific use-case for subdomains as opposed to directories. – sdleihssirhc May 7 '11 at 0:21

A subdomain is considered a different domain so no page rank will transfer. If you want to share page rank put it in a subdirectory.

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As far as i'm concerned page ranks are no longer awarded at all by google or am i missing something? – Stanislav Ageev May 7 '11 at 0:28
Where did you see that? – Galen May 7 '11 at 16:28
Oh sorry it was google who removed it from webmaster tools, so people will stop concentrating on it so much – Stanislav Ageev May 7 '11 at 20:12
-1 as it mentions PageRank (PageRank === ThoughtCancer) - but yeah: a subdomain is seens as a sperate (domain) entity by google (a seperate site)), where a subdirectory is the same site. – Franz May 10 '11 at 7:07

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