Google PageRank is one of the Web ranking important parameters. It shows how important the page is. With The PaRaMeter you can quickly check the PageRank of all your sites with just a single click, you don't need to open them in your browser one by one anymore. It also doesn't require Google Toolbar to be installed in your system. It keeps trends and history of PR change and is capable to export the info into CSV report. The best part - it's free.