A Page Rank is a number Google gives to a web page that represents how important Google thinks the page is on the web. When one page links to another, Google considers it to be effectively casting a vote for the other page. The more votes there are for a page across the whole web, the more important that page must be. But thats quite an assumption, isnt it? The importance of the page that is casting the vote determines how important the vote itself really is, meaning in Google calculations a page’s importance comes from the votes cast for it. These votes are then taken into account when the page is ranked.
As a general rule of thumb, Google Page Ranks along with Alexa ratings are the best indicators of how well your SEO work has been going. Granted, the ranking that you appear in on the results for your most important key words is the real indicator, but a strong Google Page Rank will help to boost this position substantially. The more links that you have pointing at your site, the better off you are. Thats a basic rule that will apply throughout your SEO operations.
These sorts of separations are interesting and can contribute to a great deal of change and...