SEO is not a one off thing. With Google changing its algorithm almost every quarter, webmasters need to constantly update their sites. Generally, high quality white hat linkbuilding are useful to get you up the search results. But you need good content in order to have effective linkbuilding.

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Added on March 2, 2011, 8:52 pmI just realised my post is very similar to the one before, oops.

This post has been edited by kineticsem: Mar 2 2011, 08:52 PM