Search engine optimization has witnessed notable changes in the past few years due to coming of several major updates by Google be it Google Panda, Penguin or Hummingbird. All algorithms completely changed the method of SEO, which is known to be a great technique of improving ranking of the website in search engines and also generating huge traffic to the website. Many people in fact think that the demand of the SEO went down that in fact also became a great reason of depression for many people especially those of SEO professionals. Credit goes to Google for taking several decisive steps to fight spamming promoted by the fake sites with great speed and quality based websites often has to suffer due to unethical practices of search engine optimization. After witnessing frequent appearance of overly promotional sites in search engine results, Google came with these entire major algorithms to penalize those sites containing duplicate content and involved in illegal practice