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Added: (Wed Sep 14 2022)
Pressbox (Press Release) -
Google Algorithm Updates
Google has a long history of famous algorithm updates, search index changes and refreshes. Below is a history of the major Google search algorithm updates.
Want to read our latest coverage of algorithm updates and changes? Jump to the latest algorithm update news and guides.
How many times does Google update its search algorithms?
Google search is changing all the time. In 2020, Google made 4,500 changes to search. This number includes changes to its ranking system, user interface and more. Plus, Google ran more than 600,000 experiments. That means Google search is changing, on average, 12 times per day.
The history of Google algorithm updates: 2003-today
Here is a complete history of Google algorithm updates that you need to know about, in reverse chronological order.
2022 Google Algorithm Updates
July 2022 Product Reviews Update (July 27)
Google said the fourth release of the product reviews update would take 2-3 weeks to roll out but later announced it had fully rolled out after six days. This was more of a refresh than anything new, and is meant to reward high-quality product reviews. As a whole, this update was not as widespread and had little ranking volatility compared to prior product review updates.
May 2022 Core Update (May 25)
This was the first broad core algorithm update of 2022 and the first in more than 6 months. Google said it would take up to two weeks to fully roll out. As with all other past core updates, Google has made broad changes to how its ranking systems assess content.
Learn more about Core updates in our guide, Google Broad Core Algorithm Updates: Everything you need to know.
March 2022 Product Reviews Update (March 23)
Google said the third release of the product reviews update, which will take a “few weeks” to fully roll out, builds on the work of the two prior product review updates. Like those, this update is meant to help Google to identify high-quality product reviews and reward them with better rankings.
There were three new bits of advice from Google around ranked lists, recommendations of “best” products and creating reviews for multiple vs. individual products.
Page Experience Update (desktop) (Feb. 22)
This update included all the signals from the mobile version of the page experience update, except for the page needing to be mobile-friendly. It took 9 days to fully roll out.
2021 Google Algorithm Updates
December 2021 Product Reviews Update (Dec. 1)
The goal of the Google product reviews update, like the April Product Reviews Update, was to reward outstanding product reviews in search results. Google wanted to show users content with insightful analysis and original search, written by topical experts or enthusiasts. It took about three weeks for this update to fully roll out.
Google’s new advice for this update: provide more multimedia “evidence” around your product reviews and include links to multiple sellers.
November 2021 Local Search Update (Nov. 30)
Google said this global update was a “rebalancing of various factors we consider in generating local search results.” It ran between Nov. 30 and Dec. 8, overlapping with the December 2021 Core Update and December 2021 Product Reviews Update. However, Google didn’t confirm this update happened until Dec. 16.
November 2021 Core Update (Nov. 17)
This was the third and final Core Update of 2022. Like all of Google’s core updates, the November 2021 core update was wide-reaching, impacting websites and SEO across all languages and took about two weeks to fully roll out.
Link Spam Update (July 26)
Google said the purpose of this update 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. Google’s advice: follow best practices for all incoming and outgoing links.
July 2021 Core Update (July 1)
This was the second of two back-to-back Core Updates that Google rolled out. As is typical of Core updates, the July 2021 core update was a comprehensive update that changed the whole algorithm slightly, but not any single function specifically. This update rolled out over 12 days, from July 1 to 12.
Spam Update (June 28)
The promised sequel of its Spam Update. We learned that both parts of the Spam Update were “global” updates that targeted both web results and image results
Spam Update (June 23)
Google announced the release of a Spam Update to their systems and said a second was coming the following week. There was no additional guidance or details. As part of the Twitter announcement, Google referred to its Webmaster Guidelines.
Page Experience Update (June 15)
Google began using a new set of metrics – Core Web Vitals – to understand how users perceive the experience of a specific web page. 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).
Part of 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. The rollout began slowly, finishing at the end of August.
Multitask Unified Model (MUM) Update (June)
Previewed at Google I/O in May 2021, 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. In our first glimpse of MUM, 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 because some of the core updates they planned to roll out weren’t ready in June.
Like other Google core updates, the June 2021 update was comprehensive and wide-reaching. It’s likely many sites felt the impact of this update.
April 2021 Product Reviews Update (April 8)
The Product Reviews Update is meant to better reward product reviews that go above and beyond (e.g., by including in-depth and original research, insightful analysis). 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