core update

English

Noun

core update (plural core updates)

1. (SEO) A significant change to Google's search algorithms and systems.
   • 2020, Damian Ryan, Understanding Digital Marketing […] , Kogan Page Publishers, →ISBN, page 271:

     For example, in June 2018 a core update rolled out video carousels in search results, giving the likes of YouTube immediate spikes in their rankings.