December 2021 Product Reviews Update
Dec. 1
The goal was to reward outstanding product reviews in search results. It took about a month for this update to roll out. The onus was on content with insightful analysis and an original search. This was to be authored by experts, enthusiasts, or expert content writers. It suggested more multimedia evidence around product reviews including links to sellers.
November 2021 Local Search Update
Nov. 30
The onus was on “rebalancing of various factors in generating local search results.” Google did not confirm this update till Dec. 16. It overlapped December 2021 Core Update and December 2021 Product Reviews Update. It ran It ran between Nov. 30 and Dec. 8.
November 2021 Core Update
Nov. 17
This update took two weeks to roll out and impacted SEOs and websites across all languages. This was the third and final Core Update of 2022.
November 2021 spam update
Nov. 3
This update was a spam detection system. This lays stress on following search engine guidelines to the core.
Link Spam Update
July 26
The purpose was to “nullify” spammy links across the web and multiple languages. Websites with spammy links were more likely to see an impact on their rankings. The stress was to follow best practices regarding link building both incoming and external links.
July 2021 Core Update
July 1
The July 2021 core update was a comprehensive update that changed the whole algorithm slightly, It was a holistic change. This update rolled out over 12 days, from July 1 to 12. Spam Update (Part 2)
June 28
This was a percussor to July 1 update a sequel to July 1 update. Both parts of the Spam Update were “global” updates that targeted both web results and image results
Spam Update (Part 1)
June 23
Google announced the release of a Spam Update to their systems and said a second was coming the following week. It lay stress on webmaster guidelines.
Page Experience Update
June 15
Introduction of Core Web Vitals a new set of metrics. The three Core Web Vitals metrics are Largest Contentful Paint (LCP) (measures loading performance); First Input Delay (FID) (measures interactivity); Cumulative Layout Shift (CLS): (measures visual stability).
The Page Experience Update includes existing ranking signals, such as page load speed, mobile-friendliness, HTTPS, and lack of intrusive ads. This new ranking algorithm was announced in May 2020.
Multitask Unified Model (MUM) Update
June
Google’s Multitask Unified Model (MUM) is built on a transformer architecture, like BERT, but 1,000 times more powerful and capable of multitasking to connect information for users in new ways. It helped the search engine identify more than 800 variations of vaccine names in over 50 languages in a matter of seconds. In September, Google announced additional applications of MUM technology.
June 2021 Core Update
June 2
This was the first of two back-to-back Core Updates that Google rolled out. Google decided to release these updates separately. some of the updates they planned to roll out weren’t ready in June.
June 2021 update was comprehensive and wide-reaching.
April 2021 Product Reviews Update
April 8
This update was meant to better reward product reviews that go above and beyond Google said it will promote these types of product reviews in its search results rankings. Google provided a list of nine questions to ask about your product reviews to make sure they are insightful, include original research, and are written by experts or enthusiasts who know the topic well.
Passage Ranking
Feb. 10
The update was meant to roll out how it ranks specific passages from a web page in search results. This update was meant to help searchers find specific “needle-in-a-haystack” information. Google said this update would impact 7% of search queries across all languages.