Google Page Rank Algorithm explained

By Ajay, Category: SEO, Date: February 3, 2008

PR(A) = (1-d) + d(PR(t1)/C(t1) + … + PR(tn)/C(tn))

PR(A) – PageRank of page A,

PR(Ti) – PageRank of pages Ti which link to page A

C(Ti) – Number of outbound links on page Ti

d – Damping factor which can be take values between 0 and 1, usually set to 0.85

The Page Rank algorithm has evolved and has been polished since it was invented, and no one is going to know what the page rank algorithm looks now.

Not to get lost in the mathematical jargons following are the few points to remember.

1) Page rank consider the incoming link as one of the main factor in determining its own rank. More incoming links from a higher page rank pages will ensure that page gets higher ranking.

2) The page rank algorithm applies to individual pages rather than to whole website. This is the most misunderstood concept in page rank. People are often carried away by only the front page ranking (Which is just one of the page of the whole website).

3) Another important factor is the number of outgoing links from the page. More outbound links from a page less the page rank will be.

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