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Major Google Algorithm Updates 2023 (Simply Explained)

Change is the only constant thing in SEO.  It is estimated that Google updates its algorithm on a daily basis, so the underlying rules change roughly 365 times each year. But rest assured as it is only the major updates that will impact us the most and that is what we will keep keeping tracking here as well. 

Major Google algorithm updates are changes to the search engine that will likely affect the search engine results page. Google updates aim to improve their search results and as a result they want to rank higher sites that are relevant, high quality, up to date and unique. It is then important to understand what each Google update is all about so that, you can make sure that your website is not on the wrong side of the update, thus affecting your search rankings in the search results. 

Major Google Algorithm Updates

2023 Updates

Google Core Update 2023

Google Core Update — 15th March 2023

Google Core updates make significant changes to how it evaluates the relevance and quality of search results for users, and are not specifically targeted at any one area. The rollout of these updates typically takes around two weeks to complete.

Google unknown update 2023

Unknown Update — 14th January 2023

The Unknown Update target appears to be the result of helpful content update and spam link update.

2022 Updates

Google Link Spam update - 14th Dec 2022

Link Spam Update — 14th December 2022

The Link Spam Update target and penalize websites that use manipulative and spammy link-building tactics. These changes are intended to improve the overall quality of search results by reducing the visibility of low-quality sites and promoting those that provide valuable and relevant content.

Google helpful Content Update

Helpful Content Update — 25th August 2022

The Helpful Content Update was created to encourage content that puts "people first" and devalue content written mainly for SEO purposes. It officially rolled out over the course of two weeks from 25th August 2022.

Page Experience Update - Desktop

Page Experience Update (Desktop) — 22nd February 2022

Google announced that the Page Experience Update, which was first seen on mobile SERPs (June 2021), would be appearing on desktop devices too. 

2021 Updates

Google Product Reviews Update

Product Reviews Update — 1st Dec 2021

Google is always working to show the most helpful and useful information possible. So now, when people search for a product, we'll show more reviews from experts, instead of just the first few results.

Google Spam Link Update

Google Link Spam Update — 26th July 2021

This update is about improving the effectiveness at identifying and nullifying link spam more broadly which will affect the ranking of the sites and will roll out over a 2 weeks period.

Google Page Experience Update

Google Page Experience Update — 25th June 2021

This update is about Core Web Vitals which Google continues to enhance on what they consider as a good user experience, having a fast loading website speed.

2020 Updates

Google Core Dec 2020 Update

Google Core Update — 3rd December 2020

This core update is a classic “broad core update” that Google releases every few months or so that re-evaluate the ranking factors of the sites.

Featured Snippet

Featured Snippet De-duping — 22th January 2020

Featured Snippets would no longer be appearing as below the tradtional organic results if it is being used in the featured box (Position 0)

2019 Updates

Google Bert

BERT Update — 22th October 2019

BERT update is 1 of the major update to Google algorithms in the last 5 years. To simplify it, it basically change the way the search engine intepret the search terms and its context. More info @ Search Engine Journal.

June Update

June Core Update — 3rd June 2019

Google pre-confirmed an “core algorithm update,” in the month of June. Thus, with no name given to it – the community has decide to name it: June Core Update.

2018 Updates


“Medic” Core Update – 1st August 2018

Google confirmed a “broad core algorithm update,” with wide reports of massive impact. It mainly affected a lot of sites in the health industry, thus the name of “Medic” core updates.

Mobile First Seo Update

Mobile First Indexing Update — 26th March 2018

Google announced that they will be indexing the mobile version of the website first, taking a mobile-first index approach. Thus, striving an importance on having a mobile website.

2017 Updates

Maccabees SEO Update

"Maccabees ” Update (Formerly known as Fred — 10th December 2017

Barry Schwartz of SERoundtable named it Maccabees in recognition of Hanukkah. Google spokesperson mentioned that the changes are meant to improve relevancy, but not much details are mentioned.

Fred Update

“Fred” Update — 8th March 2017

Google rolled out a major update, with reports of widespread impacts across the SEO community. When asked, Gary Illyes of Google jokingly referred to as “Fred” update and the name has been stuck ever since.

2016 Updates


Penguin 4.0 (Real time) – 23th September 2016

Google Penguin 4.0 After a much-awaited 2-year gap, Google has rolled out Penguin 4.0. This will be the last update in Penguin as it will now run in real-time and is also more granular.

John Doe Update

Unnamed Update (aka John Doe update) – 8th January 2016

Google introduced an update but details remain sketchy on what is it all about. They only confirmed it as a “Core Algorithms Update”.

2015 Updates


RankBrain – 26th October 2015

Google introduced a new ranking signal called RankBrain, which uses machine learning and artificial intelligence to deliver better search results. This covers all languages and is mainly used for the 15% of everyday search queries which Google hasn’t seen before.

Panda 4.1 Update

Panda 4.2 Update – 17th July 2015

Another Panda Update was officially confirmed . The only difference this time was that it was a slow roll out, and took as long as a couple of months. Learn more about it here.

Mobile Friendly

Mobile Friendly Update – 21st April 2015

Google made an official update announcement on their Google Webmaster Blog. This change affected mobile searches in all languages worldwide and also had a significant impact on mobile search results.

2014 Updates

Penguin 3.0 Update

Penguin 3.0 – 17th October 2014

Google launched another Penguin refresh. This update appeared to be smaller than expected (<1% of US/English queries affected).

Panda 4.1 Update 1

Panda 4.1 – 23th September 2014

Google announced another significant Panda update, which included an algorithmic component. It was estimated to affect around 3-5% of queries.

Pigeon Update

Pigeon – 24th July 2014

The Pigeon update focused on local SEO to dramatically alter some local results and modify how they handle and interpret location cues.

2013 Updates

Google Hummingbird Update

Hummingbird – 24th August 2013

The Hummingbird update was a major overhaul to the all-important concept of semantics, or meaning. It was rolled out to combat the increasing longer search queries key in searches.

2012 Updates

Google Penguin Update

Penguin – 24th April 2012

The Penguin update was a major algorithm that targeted sites spamming its search results, in particular those doing so by buying links or obtaining them through link networks designed primarily to boost Google rankings.

2011 Updates

Google Panda Update

Panda – 23th February 2011

The Panda update was a major algorithm update which hit sites hard, affecting up to 12% of search results (a number that came directly from Google). Panda is mainly focused on low-quality (thin) content, sites with high ad-to-content ratios, and a number of other quality issues.

2010 Updates

Caffeine Update

Caffeine – June 2010

The Caffeine update was a refreshment to Google’s infrastructure which not only boosted Google’s raw speed, but integrated crawling and indexation much more tightly, resulting in (according to Google) a 50% fresher index.

2005 Updates

Big Daddy Update

Big Daddy – December 2005

The Big Daddy update was an infrastructure update which changed the way Google handles URL canonicalization, redirects (301/302) and other technical issues.

2003 Updates

Florida Update

Florida – November 2003

The Florida update was the death of low-value late-90s SEO tactics, such as keyword stuffing.