which one is better- subdomain blog or blog as sub directory

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Hi,

while doing SEM for websites, blogs place an important role, which type of blog is better, either blog.websitename.com or websitename.com/blog

please suggest,

Regards,
Raghav This question has been asked over and over. Below are related threads.

- http://www.v7n.com/forums/seo-forum/161144-folder-vs-subdomain-website-structure.html
- http://www.v7n.com/forums/seo-forum/30267-folders-versus-subdomains.html
- http://www.v7n.com/forums/seo-forum/154817-subdomains-directories-can-help-us-more.html
http://www.v7n.com/forums/seo-forum/136881-subdomain-seo.html