Major Google Algorithm Updates 2026 (Simplified)
In the dynamic world of SEO, change is inevitable. Google is known to tweak its algorithm daily, leading to approximately 365 updates every year. However, it's the major updates that truly shake things up and demand our attention.
Major Google algorithm updates are changes to the search engine that will likely affect the search engine results page. By grasping the essence of each major update, you can ensure your website aligns with Google's criteria. This will prevent your site from falling out of favor and suffering a drop in rankings.
For real-time status updates on Google Search, check out the Google Search Status Dashboard.
What is Google Algorithm
Google algorithms are a set of formulas and rules that determine how websites are ranked in search results. These algorithms are constantly refined and improved through core updates to Google's algorithm, which aim to enhance search result quality by emphasizing E-E-A-T (Experience, Expertise, Authoritativeness, and Trustworthiness).
Types of Google Algorithm Updates
Below are the significant algorithm updates made by Google for its search engine. One notable update is the ‘broad spam update,’ a significant release aimed at combating various types of spam across search results, distinct from prior updates focused solely on link spam. Spam updates play a crucial role in penalizing websites that violate webmaster guidelines. The Google search algorithm plays a crucial role in determining webpage rankings in search engine results pages (SERPs). It continuously evolves with updates that impact ranking factors, requiring SEO experts to adapt their strategies accordingly.
Site owners should adhere to Google's guidelines to improve rankings following these updates.
ONGOING
Core
The Google core update is an ongoing series of significant changes that Google implements in its ranking algorithm. These alterations influence a vast number of indexed web pages. Google has been releasing multiple core updates every year since at least 2018. These core updates can take several weeks to fully roll out and can significantly impact search rankings.
ongoing
Helpful Content Update
Google Helpful Content is an algorithm update introduced by Google in mid of 2022. This update is designed to reward websites that produce high-quality content written for people, rather than for search engines. This update aims to reward websites that provide valuable, user-centric content while demoting those that produce low-quality material primarily for search engine rankings.
ongoing
Spam Update
The Spam Update is a Google algorithm designed to improve the quality of search results by identifying and penalizing websites that violate Google’s spam policies. Released periodically, these updates target various forms of spam, including automatically generated content, low-quality or duplicate material, and deceptive practices like hidden redirects.
2011
Panda
Google Panda is an algorithm update introduced by Google in 2011. Its aim was to enhance the quality of search results by penalizing websites with low-quality or thin content and rewarding high-quality websites with improved rankings. The update impacted approximately 12% of search results.
2012
Penguin
Google Penguin is an algorithm update introduced by Google in 2012. Its purpose was to penalize websites violating Google's Webmaster Guidelines through black hat SEO techniques, such as keyword stuffing, cloaking, and link schemes, which manipulate search engine rankings. The update impacted approximately 3.1% of search queries.
2013
Hummingbird
Google Hummingbird update is an algorithm update that was introduced by Google in 2013. Unlike previous updates, this was a complete overhaul of the search algorithm. It is designed to improve the accuracy and relevance of search results by focusing on the meaning behind the search query rather than just the keywords. The impact of the update was not revealed.
2015
Mobile
Google's Mobile update is an algorithm update that was released in 2015. It was introduced to focus on giving a boost to mobile-friendly websites in smartphone search results. The exact impact of the results was not revealed, but it was said to have a more significant impact than Panda and Penguin, which affected 12% and 3% of search results, respectively.
2015
RankBrain
Google RankBrain is an algorithm update introduced by Google in 2015. It is a component of Google's core algorithm that uses artificial intelligence and machine learning to determine the most relevant results to search engine queries it is used to "teach" the RankBrain algorithm on queries that Google has not encountered before.
2018
Medic
Google Medic is an algorithm update introduced by Google in 2018. The purpose of the Medic update was to emphasize and enhance the expertise, authority, and trustworthiness (E-A-T) of pages with the potential to impact a person's well-being and happiness. It was dubbed "Medic" by SEO expert Barry Schwartz because it predominantly affected health, medical, fitness, and healthy lifestyle websites.
2019
Bert
The Google BERT update, which stands for Bidirectional Encoder Representations from Transformers, is an algorithm enhancement introduced by Google in 2019. It represents a significant leap in the evolution of search algorithms due to its ability to understand the context of words in a sentence and their relationship to one another. This update is anticipated to impact 1 in 10 search queries.
Google December 2025 Core Update — 11th December 2025
Google’s December 2025 core update officially launched on December 11, 2025, at 09:25 AM PST and is expected to take up to three weeks to fully roll out. This global core algorithm update applies across all regions and languages, focusing on broad improvements to Google’s ranking systems rather than targeting specific sites or issues. The update is designed to enhance search result relevance and overall quality by refining how content is evaluated, which may result in noticeable ranking and traffic fluctuations as the rollout progresses.
Google August 2025 Spam Update — 26th August 2025
Google's August 2025 spam update officially launched on August 27, 2025, at 12:02 AM SGT (August 26, 2025, at 9:02 AM PDT) and completed on September 22, 2025, at 2:14 PM SGT (September 21, 2025, at 11:14 PM PDT). This global algorithm update targeted spam signals across all languages, focusing specifically on spam mitigation rather than broader ranking factors to strengthen search result quality by tightening spam detection and filtering mechanisms.
The rollout took nearly four weeks to complete, during which continuous monitoring was crucial for website owners and SEO professionals to assess potential impacts on their search visibility. Sites employing low-value content strategies, keyword stuffing, link manipulation, or other deceptive practices faced the highest risk of ranking declines.
Google June Core Update — 30th June 2025
The Google June 2025 Core Update was expected to take around two weeks to fully roll out, and it officially concluded on 17th July 2025. This was a standard core update aimed at improving the quality and relevance of search results by better assessing content across a wider range of websites.
Google March Core Update — 13th March 2025
The Google March 2025 Core Update was expected to take two weeks to fully roll out, and it officially concluded on 27th March 2025. This was a standard core update aimed at improving the relevance and usefulness of search results.
Google December Spam Update — 19th December 2024
The Google December 2024 Spam Update, which began rolling out on 19th December 2024 at 9:00 AM PST, is part of a global effort to enhance the quality of search results. This update targets websites that violate Google's spam policies, ensuring that high-quality, relevant content is prioritized in search rankings. The rollout, which applies to all languages, is expected to conclude within one week. This update follows the recently completed December 2024 Core Update, which finished on 18th December 2024. The update concluded on 26th December 2024.
Google December Core Update — 12th December 2024
Google has announced the December 2024 Core Update, which began rolling out on 12th December 2024 at 7:30 AM PST. This update is part of Google's ongoing efforts to enhance the quality of search results by prioritizing useful and original content. The rollout may take up to two weeks to complete. This is the fourth core update this year, following the November 2024 Core Update. The update concluded on 18th December 2024.
Google November Core Update — 11th November 2024
The Google November 2024 Core Update is part of Google's ongoing efforts to enhance the quality of search results by prioritizing useful and original content. This update is the third core update this year and is expected to take roughly two weeks to be fully rolled out.
Google August Core Update — 15th August 2024
The Google August 2024 Core Update is part of Google's ongoing efforts to enhance the quality of search results by prioritizing useful and original content. This update, which began rolling out on 15th August 2024, focuses on promoting content from small and independent publishers, addressing feedback from previous updates that negatively impacted these sites. The update concluded on 3rd September 2024.
Google June Spam Update — 20th June 2024
The Google June 2024 Spam Update, which began rolling out on 20th June 2024, is part of a significant ongoing effort aimed at improving the quality of search results by targeting websites that violate Google's spam policies. This update is part of Google's ongoing effort to combat spam and ensure that high-quality, relevant content ranks higher in search results. The update concluded on 27th June 2024.
Google March Spam Update — 5th March 2024
On 5th March 2024, Google rolled out a significant spam update aimed at improving search quality and combating deceptive practices. This update, which concluded on 20th March, primarily targeted websites using AI-generated content and other manipulative tactics to game the search system.
The update focused on three key areas of abuse:
First, it addressed the misuse of expired domains, a practice where websites attempt to leverage the existing authority of previously established domains for ranking advantages. Second, it tackled scaled content abuse, particularly targeting the widespread use of low-quality, AI-generated content. Finally, the update addressed site reputation abuse by identifying and penalizing manipulative tactics used to artificially inflate website authority.
The impact was substantial, resulting in the deindexing of numerous websites that relied heavily on deceptive practices and low-quality content. For webmasters and SEO professionals seeking to maintain compliance with Google's guidelines, the Google Search Central Blog remains the authoritative source for updates and best practices.
Google March Core Update — 5th March 2024
The Google March 2024 Core Update is expected to take a month to fully complete. As with all previous core updates, its aim is to enhance the quality of search results by targeting low-quality content, promoting helpful and trustworthy information, and prioritising user experience.t took a total of 45 days to complete its rollout, which is longer than most core updates that typically take 14-25 days. The update ended on April 19, 2024.
Google Core Update — 2th November 2023
Following the October core update, Google rolled out another core update on November 2nd, 2023, focusing on enhancing search result quality and relevance, with an emphasis on high-quality content and user experience. This update concluded on November 28th.
Google Core Update — 5th October 2023
Google released another core update to its search system in October 2023, following its August 2023 update. It began on October 5th and was fully implemented by October 19th. This update may have affected how some websites rank in search results. Additionally, the Google Search Ranking Bug significantly impacted the rankings of numerous search results on the Google platform until it was resolved.
Google Spam Update — 4th October 2023
The Google October 2023 spam update is an update to Google Search aimed at improving its ability to detect and filter spam. This particular update was applied globally and enhanced the search engine's coverage in multiple languages, including Turkish, Vietnamese, Indonesian, Hindi, Chinese, and more. The rollout began on October 4, 2023, and was completed by October 20, 2023.
Google Helpful Content Update — 14th September 2023
Google has rolled out another "helpful content" update designed to reward websites that produce high-quality content written for people. The main changes are that Google has amended the guidelines to state: "Ensure people see original, helpful content written by individuals, for people, in search results." Google removed the words "written by people" and simply stated "helpful content created for people in search results.
Google Core Update — 22th August 2023
Google has rolled out another core update that aims to improve the quality and relevance of search results. It has been completed as of 7th September 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.
Unknown Update — 14th January 2023
The Unknown Update target appears to be the result of helpful content update and spam link update.
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. This update significantly impacted Google search results, highlighting the importance of maintaining ethical SEO practices.
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) — 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.
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 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 — 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.
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 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)
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 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.
“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 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.
"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 — 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.
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.
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”.
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 4.2 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.
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.
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 – 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 – 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.
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.
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.
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.
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.
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.
Florida – November 2003
The Florida update was the death of low-value late-90s SEO tactics, such as keyword stuffing.