The way Google ranks pages in its search results today is much different from the way it ranked them two years ago.
Why? In early 2015, Google began its slow rollout of RankBrain, a machine-learning artificial intelligence system that helps process search results as part of Google’s ranking algorithm. As of June 2016, RankBrain is being used for all Google queries.
But how does machine learning impact rankings exactly? That’s the big question.
