#1 Bulk PageRank Checker is a professional program for checking very large lists of URL's for Google PageRank. You can easily check more than 10,000 URL's without getting blocked. #1 Bulk PageRank Checker allows you to use an option which limits the number of sites that the program can check over a minute or an hour. This is a good way to make sure that you won't get blocked by Google when checking for example a large list of 10,000 URL's.