When will pagerank change?
 

Now a days Google frequently changed the search engine algorithms. So my website rankings are go down.

I am not sure if you mean the rankings or the value that a green bar indicates, which is usually referred to as PageRank. Well, if PR is what you were asking for, it normally updates in every quarter. If it is the rankings, you mean, if you continue to build quality links to your website, then a month of religiously doing it will surely keep your website high in the ranks.

The page rank will change when there will be the visitor visit on the site with unique content ,title and keyword.On the other hand the one's the google view the site on his website then your site page rank will automatically increase.For more information visit PBC Loan and Loan2Payday

May be in November 2012.

The general is 3 months update.