What is the importance of TrustRank in SEO factor?

TrustRank for SEO Ranking

The choice of seed sites can make a drastic impact over the quality of a search engine. Site trust of a website is measured by making the number of links your site is away from the most reputed seed sites. It is a greater influencing ranking factor.
Trust that a website gains from the other website is called as TrustRank. When your website get links directly from the highly trusted seed sites, it is a greater positive ranking signal.

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