====== Domain canonicalization ======
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{{:wiki:seo2.png?nolink&110|Medium Influence }} {{ :wiki:difficulty2.png?nolink&110|Hard to implement}}
When the same content is offered under different URLs it can be considered [[duplicate content]]. In order to avoid possible penalties and to concentrate your visitor numbers and PageRank to one website, you should canonicalize your domain.
Decide which URL you want to use primary and configure a redirect from the domains with duplicate content to your main domain.
===== Example =====
There are several different reasons, why it can be useful to be reachable under different URLs. When you registered a domain (e.g. ‘www.acebit.com’), but want to be found under different URLs as well, e.g:
www.acebit.info
www.acebit.org
www.acebit.net
In this case you should canonicalize your domains and add a redirect to your main domain ''