Webmaster SEO Tools: Check PageRank on Google
Check Google Page Rank
PageRank is a function of Google that measures the quality of a website on a scale of 0 to 10. The theory is that high quality sites receive a higher PageRank based on visitors and traffic your site receives. PageRank is a “vote”, by all the other pages on the internet. Google Pagerank consider many factors like link popularity, contents etc. to calculate page rank. For Good pagerank you should have links from high pagerank websites. Pagerank also help visibility of website on google search engine on some keywords.