Some early observations on the Google December core update Some of these observations are based on the quality raters guidelines, the past core updates, and sound SEO advice. Marie Haynes on December 24, 2020 at 9:15 am More Google’s December 2020 Core update was a big one according to many of the data providers. Our job, day in and day out, is to analyze Google updates and determine what the commonalities are so that we can advise our clients on how to improve their websites. Now that the core update is done rolling out, as of December 16, 2020 and while we do not have the December core update figured out completely, we thought we would pass on some interesting observations that we have made so far.