This did not mean that every web page was affected by every algorithmic change. Each algorithm affected a specific type of web page. Moz's Algorithm Change History page details Google's long history of algorithm updates and the types of sites and pages affected. The SEO industry started with people deciphering these algorithm updates and figuring out which web pages they affected (and how). Companies have grown and fallen on the backs of decisions made because of this information, and those that managed to course correct quickly enough were the winners.
Those who couldn't learn a hard lesson. These lessons turned into “rules of the road” for everyone, because there was always one constant truth: the algorithmic penalties were the same for every vertical. If your competitor gets killed doing something Google jewelry retouching service doesn't like, you can be sure that as long as you don't make the same mistake, you'll be fine. But recent evidence is starting to show that this SEO idiom no longer holds. Machine learning made these penalties specific to each keyword environment. SEO professionals no longer
have a static set of rules they can play around with. Dr. Pete Meyers, Moz's marketing scientist recently noted, “Google has come a long way in its journey from a heuristic to a machine learning approach, but where we are in 2016 is still a long way from understanding the human language. . To be truly effective as SEOs, we still need to understand how this machine thinks and where it falls behind human behavior. If you really want to do next-level keyword research, your approach may be more