Guys I want to share this interesting content about Google algorithm cheat sheet: Panda, Penguin, and Hummingbird posted by Marie Haynes from the Moz blog site. In this article Marie discuss the specific point of every algorithm update of Google and on how it evolve to provide the best and related answer for the searches that makes them happy. Kindly visit this link for your reference and relive again the Google updates that hurt and increase your website's performance in the search engine. http://moz.com/blog/google-algorithm-cheat...uin-hummingbird 