As the number of sites has increased, there is a lot of competition among webmasters to rank their site at top level on the search engine. These webmasters use different activities to promote their sites and many a times use false methods to do the same, such as copying content from other’s site, over usage of keywords in the content etc.Thus, Google released the Farmer/Panda update 1.1 version of search algorithm to monitor and strip off these sites, which copy content from high quality site