On the morning of January 13, Google announced on the @SearchLiaison Twitter handle that it is rolling out the first core update of 2020. Generally, Google will roll out these algorithmic updates every few months or so.
Google said “Later today, we are releasing a broad core algorithm update, as we do several times per year. It is called the January 2020 Core Update. Our guidance about such updates remains as we’ve covered before.”
The last core update was the Sept. 2019 core update. That update didn’t feel very strong to a number of webmasters and SEOs as many said it didn’t have as SEOs and webmasters felt it didn’t have a big impact when compared to previous core updates. An update was released in November that was focused specifically on local rankings. Information about past Google updates can be found over here.
Google has given advice on what you can do if you are negatively impacted by a core update. Google posted its previous advice: