Do subdomains rank as well?

Hello All,
I have a project im looking at doing and have bought 20 domains that I intend to use for sub domains. I know I can rank these sub domains but I dont know exactly how well sub domains are meant to rank.

With medium competition how likely is a sub domain going to be able to content against a TLD if the sub domain has excellent onpage seo and high quality backlinks?.

Surely it will rank decently?

Before you read my reply, I have only read your title.

Ok, a while ago I read the full SEOMoz SEO guide (like 20 pages long) which included a case study of subdomains. The results were that a page of a site ranked better than a subdomain (niche.com/salespage > salespage.niche.com).

Subdomains take on an age of 0 when created. That's why it is harder to rank.

Maybe so re age but is that the only factor?.

Pages rank nicely but what's the dif is it huge?

Cheers anyone with experience please comment.


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recently done this after working 8 months on one domain - made a blogging page put blogs.(domain).com my alexa ranking seems to go worse every day since I added the sub domain yet I'm getting the same amount of traffic on my main domain & yes as someone stated you are starting from ZERO age google starts your sub domain as a fresh one it's been over 1 month produced around 50+ unqiue article yet my articles are not yet properly indexed however again my main website hits google within 3minutes

Yea find that thread on domain.com/sub vs sub.domain. It has some helpful links straight from the google blog about how panda reads thAt