PageRank

allows you to search Google using any keyword(s) you wish. It will then return, in order of Google relevance, the sites associated with those keywords. Each result displays a graphical bar with the PageRank of that particular site.

This tool will query Google's various data centers to check for any changes in PageRank values for a given URL. Usually all data centers will output the same, but if queried during an update, you might get a glimpse of any upcoming changes in your chosen