Googlebot or the Google crawler’s current Algo defines a lot of change in ranking any websites. The major change was held with the use of unique content and the way sites are interlinked. Sites with duplicated content were set to n/a pr from even PR7 and so. Sites with unique content were upgraded to higher page ranks like PR6 and PR7 even PR8 from PR2 and PR0. Site linking from duplicate content sites were also lost there rankings and positions in search engines. The best way to achieve today’s search Engine ranking and positions, is to have matchless content, and to have links from Unique content sites.