Google Keeps Track Of Algorithm Changes But It's Hard To Use Even Internally

Alan Bleiweiss, a smart and fun SEO, asked John Mueller of Google if Google has a "Google Book of Secrets" where it stores all the algorithmic changes it makes in a single location. The short answer is, yes, Google does store all the changes it makes but the long answer from John is that it isn't always useful.

from Search Engine Roundtable https://ift.tt/32rW0CI