My expertise in SEO says that if you actually wish to obtaining your web site on high page rank then you must do keyword analysis, blog commenting, forum posting, directory submission and social bookmarking and every one these ought to have an great page rank.
With quality web tools it will be easy to get a good page ranking but basically, page rank defines the quality the visitors get from the page. There is a large array of elements which is responsible for the web pages' quality weight. Some of the important elements are the domain names and URLs, the keywords, the meta data, the links structure, the page structure, the content, the usability, the accessibility and many more. The higher search engine rank will attract more visitors and generate more traffic for your web site. Just visit the link below to see Google videos on Page ranking they surely will help you a lot in your effort to get you website have a greater ranking.