Google is notoriously known for changing their search algorithms on and almost daily basis. Yet on occasion, Google rolls out a “major” algorithmic update (such as Google Panda, Google Penguin or Google Possum) that affects search results in significant ways. One of our SEO Partners, Moz, keeps a running historical list of Goolge’s algorithum changes of these changes.
Curious as to which Google Panda or Penguin update my have affected your rankings? The awesome folks over at Marketing Mojo and Search Engine Land have created this great flowchart to help you id whether Google’s Panda or Penguin update dropped your site ranking and when.