It's a number that represents the identification and location of a website. IP Address:172.64.80.1 IP Addresses are similar to physical addresses.
PageRank also considers the importance of each page that casts a vote, as votes from some pages are considered to have greater value, thereby giving the linked page a greater value. Pages that Google search engine believes are important receive a higher PageRank and are more likely to appear at the top of the search results. This rank is calculated using a combination of average daily visitors and pageviews from over the last 3 months. The lower the rank is, the more popular the website is.
