Iata o lista cu datele presupuse conform statisticilor ale urmatoarelor procese de ranking clasificate de Google Search Engine
Last PageRank (PR) Update 31 December 2009
First 2010 PageRank (PR) Update 31 March – 3 April 2010
Second 2010 PageRank (PR) Update 30 June – 7 July 2010
Third 2010 PageRank (PR) Update 31 September – 7 October 2010
Fourth 2010 PageRank (PR) Update 31 December – 2 January 2011
Aceste date nu sunt oferite de Google, sunt valori realizate pe baza vechilor update-uri
