Google has an extended history of notable algorithm updates, search index changes, and refreshes. Below is a history of the main Google search algorithm updates. For more information, and to buy SEO services, click here. The first question that strikes it that:
What is Google Algorithms?
Google’s algorithms are a complicated system used to recover data from its search index and instantly deliver the best possible consequences for a query. The search engine uses a blend of algorithms and numerous ranking factors to deliver web pages ranked by relevancy on its search engine results pages (SERPs). In its early years, Google only made a familiar of updates to its algorithms. Now, Google makes thousands of modifications every year. Most of these updates are so slight that they go neglected. Another question that also needs an answer is that:
How often does Google update its search algorithms?
Google seems to be altering more often than it stays the same. Most experts predict that Google alters its search algorithm around 500 to 600 times each year. That’s someplace between once and twice each day. While most of these modifications don’t significantly change the SEO landscape, some updates are effective and may change the way we go about writing for SEO.
The history of Google algorithm updates:
March 2022 Product Reviews Update
Google said the third release of the product reviews update, which will take a “few weeks” to completely roll out, makes on the work of the two prior product review updates. Like those, this update is meant to assist Google in determining high-quality product reviews and reward them with better rankings. There were three new bits of guidance from Google around ranked lists, recommendations of “best” products, and developing reviews for multiple vs. individual products.
November 2021 Local Search Update
Google said “rebalancing of various elements considered in generating local search results.” It ran between Nov. 30 and Dec. 8, coinciding with the December 2021 Core Update and December 2021 Product Reviews Update. However, Google didn’t confirm this update occurred until Dec. 16.
November 2021 Core Update
This was the third and last Core Update, Like all of Google’s core updates, the November 2021 core update was wide-reaching, affecting websites and SEO across all languages, and took about two weeks to completely roll out.
July 2021 Link Spam Update
Google said this update aimed to “nullify” spammy links across the web and multiple languages. Websites with spammy links were more likely to see an effect on their rankings. Google’s advice: follow the most promising practices for all incoming and outgoing links.
July 2021 Core Update
This was the second of two back-to-back Core Updates that Google moved out. As is typical of Core updates, the July 2021 core update was a complete update that altered the whole algorithm slightly, but not any single position specifically. This modification rolled out over 12 days, from July 1 to 12.
Google declared the release of a Spam Update to their systems and said a second was coming the following week. There was no extra guidance or details. As part of the Twitter information, Google referred to its Webmaster Guidelines.
Page Experience Update
Google started using a new set of metrics – Core Web Vitals – to comprehend how users perceive the experience of a specific web page. The 3 major 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 possesses existing ranking signals, such as page load speed, mobile-friendliness, HTTPS, and shortage of intrusive ads. This new ranking algorithm was disclosed in May 2020. The rollout started slowly, finishing at the end of August.
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