What is Google PageRank, and how important is achieving high PageRank when trying to earn a high spot in Google's search engine? Keep reading to learn the answers to these and many more questions.
What is Google PageRank?
Google PageRank (one word) is Google’s measure of the relative importance of a Web page on the Internet. The numbers rank from 0 to 10. The higher the number, the stronger the PageRank.
Is the PageRank (PR) number for the entire site?
PageRank is determined for each individual Web page, as every page on your website has a different PR. The site home page is likely to have the highest PR as it will have the most sites linking to it. Each internal page will have a different Google PageRank. In many cases, the PageRank for a very informative and heavily linked article on an internal page will be higher than that of the site’s home page.
How is PageRank determined?
PageRank is calculated based on both the quantity and PageRank quality of your incoming links. The higher the PR of your incoming links, and the fewer outbound links there are on a page, the more PR is passed to your Web page. For example, a Web page with a fairly high Google PageRank of 6, but divided among many outbound links, might pass along much less PageRank than a PR4 page with only one or two outgoing links. It’s best to consider PageRank transfer on a case by case basis rather than as an overall blanket assessment. The number of variables is simply too high for easy calculations.
Is each inbound link important to the overall total?
PageRank is a form of a voting system. A link to a page is a vote for that page. Higher PageRank pages are viewed by Google as more important. Their votes are given more value by Google -- much more value, in some cases. In general, the more voting links, the stronger the PageRank.
Google Optimization 
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