Danny Sullivan, the Google Search Liaison, said that he expects the next core update will be rolling out in the coming weeks. He said it is hard to predict because these updates are not scheduled to a particular day but rather tested and then once approved are launched.| Search Engine Roundtable
Glenn Gabe covers a site that got hit hard by multiple algorithms updates in the fall of 2023 and how that site saw wild volatility when the March 2024 core update rolled out.| The Internet Marketing Driver
The spam policies detail the behaviors and tactics that can lead to a page or an entire site being ranked lower or completely omitted from Google Search.| Google for Developers