From core updates to BERT, here are the big algorithm changes that shook up search rankings in 2019.Google’s pace of tweaking and updating Search has accelerated dramatically — it made 3,200 changes to Search in 2018 alone, up from about 400 changes back in 2010. Just a sliver of these changes receive public confirmation or even draw substantial attention, but those that do can (sometimes) provide insights into the kinds of content that Google prioritizes and ranks well.
2019 saw a number of publically disclosed core and other search algorithm updates. Among the many changes of 2019, Google established a naming convention for core updates and brought natural language understanding to search results.
Core updates of 2019
Core search updates happen a few times a year and can cause noticeable rankings volatility. Some sites may even rebound from a previous update. This year there were few if any discernible patterns to the core updates. One big change in 2019 was that Google began confirming and even preemptively notifying users about core updates. It also started naming them.
March 2019 Core Update. In addition to being the first major algorithm change of the year, this update was the first to follow Google’s new naming convention referring to the type of update and the date it occurred.
This was a noticeable update that we felt warranted confirming, Google said, But it is far from being the biggest update Google has ever done.
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