Is your website hit by Google Penguin update or penalty? Do read this blog post of mine to understand how to recover from Google Penguin update?
It was February 23, 2011 when Google first launched the famous Panda update, which was a major update, and affected around 12% search results that time. Panda update was something which was related with types of bad content, duplicate content, content farms, etc. Basically the update was an effort by Google to provide the quality