What is Page Rank?

What is Page Rank?

PageRank (PR) is a calculation, famously invented by Google founders Larry Page and Sergey Brin, which evaluates the quality and quantity of links to a webpage to determine a relative score of that page’s importance and authority on a 0 to 10 scale.
The higher the PageRank of a link, the more authoritative it is.
PageRank algorithm describes the importance of a webpage to be measured by analyzing the quantity and quality of the links that point to it.