PageRank reflects our view of the importance of web pages by considering more than 500 million variables and 2 billion terms. Pages that we believe are important pages receive a higher PageRank and are more likely to appear at the top of the search results.
The PageRank algorithm is the fundamental algorithm underlying the Google search engine. PageRank is a numeric value that represents website based on google's links analysis calculation with quality and quantity backlinks.
A proprietary measurement of Google's proprietary ordering of pages in its Web index. PageRank is the most intense point of focus, speculation, observation, and desire in the Webmaster and optimization communities.
PageRank is a numeric value that represents how important a page is on the web. Google figures that when one page links to another page, it is effectively casting a vote for the other page. The more votes that are cast for a page, the more important the page must be. Also, the importance of the page that is casting the vote determines how important the vote itself is. Google calculates a page's importance from the votes cast for it. How important each vote is is taken into account when a page's PageRank is calculated.*PageRank is Google's way of deciding a page's importance. It matters because it is one of the factors that determines a page's ranking in the search results. It isn't the only factor that Google uses to rank pages, but it is an important one.
PR given by Google depends upon the quality backlinks and quality content in the website. TIPS: Build higher PR free dofollow backlinks will increase your PR.