Google makes constant changes, over 500 a year. Not all of them are algorithmic (thank heaven), but some of the major ones are. It can be difficult keeping track of all of them. Here however is another overview of all the big algorithmic changes Google has made in the past 14 years.
We have seen similar overviews, but the overview that Outrider has made of the Google Algorithm Changes since the start of Google in 1998 until now is the best so far.
