You can check the PageRank for a website by using the Google Toolbar (represented by a horizontal blue and grey bar). This tool streamlines the process. Enter a list of URLs and it will return the PageRank value for each one.
About PageRank:Google PageRank is a general representation of a website's popularity; it is primarily based on link popularity. Websites with a high PageRank value will tend to have more traffic and higher positions in search engines (although many other factors are also taken into consideration).