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Simply 301 redirect March 7, 2006

Most webmasters think that domain.com is actually similar to www.domain.com since the files are located on the same location, and these addresses are just pointed to the same files.

Search engines look at them differently and considers them duplicate pages and may affect these pages’ PR (Page Rank), eventhough they are logically stored on same location. To make the point clearer we can simply say that www is just a special case subdomain of the main domain, like anyother subdomain created for a different purpose mail, pop3, blog etc.

To be able to let the spiders know that these are not duplicate …