In November 2003 Google performed a key algorithm modification. The reason for this alteration was to influence their search result. It is speculated that Google could use varied algorithm and concepts, such as Hilltop, Topic Specific page rank, Trust Rank, Temporal analysis and Latent Semantic Indexing.

A few of the algorithms are not applicable in the present search environment but it is worthwhile to understand what they mean and how it basically works. This will help to understand search may be headed and also know what search topic search engineers believe to be significant when it comes to improving overall relevancy scores and better rankings. I believe essential understeading of search engines is a key element to be succesful as internet intrepeneur.  Without the right SEO tactics to get in contact with your potential visitors on internet you will never be succesful.  This is my view and explanation on the several search algorithms used;

Hilltop’s
This algorithm reorganizes search result based on an expert rating system. In the Hilltop white paper discussions revolve around how documents can be used to aid compute relevance. An expect document is a non-affiliated page that links many related resources. If page A is related to page B and page B related to page C Then connection between A and C can be assumed.
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