For a detailed explanation read the original Page Rank doc by Googles founders (see related links below)
I really have no idea
Googles has a their own algorith for ranking websites,it changes their algorithm based on more than 200 facts among them,back link,page content,load time,traffics are mostly considered by search engine.
Page rank is an algorithm based off links, a page rank on a website will only increase or reduce in conjunction with the quality and quantity of incoming links.
Page Rank is the algorithm of Google Search Engine which is invented by Google founders Sergey Brin and Larry Page. Page rank determines the importance of web page. It evaluates the quantity and quality of links to determine the score of web page authority between 0 to 10.
Google Page Rank is an output of google's algorithm for site ranking. The basic thing is that the site with higher Page Rank will be listed before the site with lower Page Rank, in google's search result. If you didnt got it, here's a detailed article by a blogger:
There's no difference. The page rank is a algorithm created by google. If you check your PR in site like http://www.pageranke.com, you can learn your therorical PR. But keep in mind that this a theorical PR because the real PR is only known by Google. But you have other kinds of ranking, like "Alexa rank" or "compete rank"...
PageRank (PR) is an algorithm used by Google Search to rank websites in their search engine results. PageRank was named after Larry Page, one of the founders of Google. tizag.com/SEOTutorial/seo-pagerank.php
The higher the Page Rank is, the more better it is, so the site with the highest Page Rank has the best Page Rank.
Actually PageRank is an algorithm used to rank the content of web pages. This algorithm is the main part of today's Google engine and used to rank the importance of web pages.
SEO algorithm partially uses keywords to determine page rankings. The best way to rank for specific keywords is by doing SEO. SEO essentially is a way to tell Google that a website or web page is about a particular topic.
Page Rank increases publicity of your company.
Page Rank assigned to blog by Google according to its page ranking system is called Blog Page Rank. You can know it through Google toolbar.
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