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hello Boson, I can help you with google. The thing you are looking for is: first click free. You let anyone to access the first page of your content when getting to your site from the serps but request them to log in for the second one. You can do this with a session id. In depth: http://googlewebmastercentral.blogspot.com/2008/10/first-click-free-for-web-search.html

thanks Roger, yes I did submit sitemap and i agree that is TIME Length issue.