whats gud from google point of view ? subdomain or new domain

ok i started a new site around 25 days back in which i had one section on which i want to make a separate site altogether..so my question is shud i make a subdomain or new domain name altogether.....further how do in transfer content from that site to my subdomain ?i mean shud i use 301 redirect to subdomain or new domain name.....
or secondly shud i delete the content from my main site for that category and place that content on new subdomain as i heard having same content on domain and subdomain is penalised by google....i m highly confused...

Further is www.keyword.primarydomain.com is better or www.keyword.net will be a better choice.....any experts plz

 

any replies plz

 

subdomain, from google point of view, they will put more trust on a subdomain than a new domain

 

thanks for replying....but since i want to put up content that is already on my primary domain what shud i do ? shud i delete the content on primary domain first and then put that content on subdomain.....because i heard having same content on domain and subdomain is penalised

 

i think both can be a good for google.. its just depends on how you optimized it..

 

Both are fine, your can optimize the keyword/product in the domain / sub-domain names.

 

Your question has two to be keenly analyzed before answering.There are two various things concealed in it.
There are two solutions for it ofcourse,
1.If you want to get your primarydomain a high ranking in Google its gud to go with the subdomain i.e, keyword.primarydomain.com . (Google thinks sites with subdomains are more reputed.And having a subdomain will help to get ranked quickly by Google)
2.If your primary goal is to popularise/SEO the content of keyword.primarydomain.com its good to go with keyword.net because of the advantage of using a TLD.
Hope this solves ur dilemma.Feel free to ask.If you have a doubt.

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Thanks for replying sir....so i have decided to go with subdomain option .....can u tell me a few things like how do i transfer the content of a particular section for which i intend to create a subdomain from primary domain to subdomain ? shud i delete the content from my main domain and then put it up on subdomain......how shud i go about this process because i dont want the same content on subdomain and primary domain....any help will be highly appreciated..thanks..