History of Google Algorithm Updates
Google’s algorithms are a complex system used to retrieve data from its search index and instantly deliver the best possible results for a query. The search engine uses a combination of algorithms and numerous ranking factors to deliver webpages ranked by relevance on its search engine results pages (SERPs).
In its early years, Google only made a handful of updates to its algorithms. Now, Google makes thousands of changes every year.
Most of these updates are so slight that they go completely unnoticed. However, on occasion, the search engine rolls out major algorithmic updates that significantly impact the SERPs such as:
Below we have compiled a full list of Google algorithm launches, updates, and refreshes that have rolled out over the years, as well as links to resources for SEO professionals who want to understand each of these changes.
June 2, 2021
Broad Core Algorithm UpdateGoogle Search Liaison Danny Sullivan announced via Twitter that a broad core algorithm update was about to be released. Sullivan also noted that some planned improvements weren’t quite ready for this update, so the parts that weren’t ready will be rolled out as part of second, related broad core algorithm update, scheduled for July.
April 8, 2021
Product Reviews Update