TrustRank & Recent Google Update

May 30, 2005 - 11:01 am 1 by
Filed Under Google Updates

There are lots of theories about the recent removal of PageRank from all sites and theories on backlink update. One such popular concept is that Google is using something known as "TrustRank".

Aaron Wall from SEO Book has one of the easiest to understand explanations of TrustRank, I have found to date. He says:

Human editors help search engines combat search engine spam, but reviewing all content is impractical. TrustRank places a core vote of trust on a seed set of reviewed sites to help search engines identify pages that would be considered useful from pages that would be considered spam. This trust is attenuated to other sites through links from the seed sites.

Gary Price at SEW Blog in early March wrote an entry named Combating Web Spam with TrustRank and then followed up that entry in late April with Google Trademarks: TrustRank & The Neighborhood Wide Web.

The paper's abstract and a link to the full document can be found at

The forums are discussing it at: - WebmasterWorld Free - WebmasterWorld Paid - DigitalPoint Forums - SEO Chat Forums


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