Google Algorithm Updates History

Research, filter, and search the latest confirmed Google algorithm updates (from 2015—present).


2022

23 Mar

Product Reviews Update

Product review updates prioritize content that demonstrates first hand knowledge and expertise of the products.

22 Feb

Desktop Page Experience Update

Page Experience updates are designed to highlight pages that offer great user experiences. This includes mobile friendliness, intrusive interstitials, safe browsing, and speed metrics referred to as Core Web Vitals. This update was completed on March 3rd.


2021

1 Dec

Product Reviews Update

Product review updates prioritize content that demonstrates first hand knowledge and expertise of the products. This update was completed on December 21st.

30 Nov

November 2021 Local Search Update

Local search updates focus on making local search results better for users. They are typically rebalancing factors such as relevance, distance, and prominence. This update was completed on December 8th.

17 Nov

November 2021 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was completed on November 30th.

3 Nov

November 2021 Spam Update

Spam updates target sites that don't follow the webmaster guidelines. Sites impacted by these updates may be seeking short term gains while ignoring best practices. This update was completed on November 11th.

16 Aug

Page Title Rewrites

This was a change to how Google writes titles for pages in the SERP. More titles are now rewritten and each page generally has one title now. Previously, titles could change depending on the query.

July 2021 Link Spam Update

Spam updates target sites that don't follow the webmaster guidelines. Sites impacted by these updates may be seeking short term gains while ignoring best practices. As the name implies, this particular update targeted link spam. This update was completed on August 24th

1 Jul

July 2021 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.

28 Jun

Spam Update Part 2

Spam updates target sites that don't follow the webmaster guidelines. Sites impacted by these updates may be seeking short term gains while ignoring best practices.

23 Jun

Spam Update

Spam updates target sites that don't follow the webmaster guidelines. Sites impacted by these updates may be seeking short term gains while ignoring best practices.

15 Jun

Mobile Page Experience Update

Page Experience updates are designed to highlight pages that offer great user experiences. This includes mobile friendliness, intrusive interstitials, safe browsing, and speed metrics referred to as Core Web Vitals. This update was completed on September 2nd.

10 Jun

Protecting People From Harassment Update

This update targets sites that may engage in predatory practices when it comes to harassing people.

2 Jun

June 2021 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was completed on June 12th.

8 Apr

Product Reviews Update

Product review updates prioritize content that demonstrates first hand knowledge and expertise of the products. This update was completed on April 22nd.

10 Feb

Passage Ranking

Passage ranking helps specific passages within pages to rank better for relevant queries. This update was completed on February 15th.


2020

3 Dec

December 2020 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was completed on December 16th.

15 Nov

Subtopics Ranking

Subtopic ranking helped Google to better understand relevant subtopics for some search results and show a wider range of relevant content. Date is approximate.

20 Sep

Indexing & Canonicalization Bugs

A couple separate bugs happening at the same time led to some flux in the SERPs. Mobile Indexing bug fixed October 8th. Canonical issue fixed October 14th.

10 Aug

Google Glitch

A major bug shook up Google search results on this day. Many SEOs noticed a lot of low quality sites ranking higher. Fixed the 11th.

4 May

May 2020 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was completed on May 18th.

Featured Snippet De-duping

This update made it so your page is only listed once in SERPs. Prior to this, a page could have the featured snippet and another organic listing.

13 Jan

January 2020 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.


2019

9 Dec

International BERT Roll-out

BERT uses machine learning to help understand user queries better and to return more relevant results.

5 Nov

Nov. 2019 Local Search Update

Local search updates focus on making local search results better for users. They are typically rebalancing factors such as relevance, distance, and prominence. This particular update also introduced neural matching which helps Google better understand how words are related to concepts. This update was completed on December 2nd.

22 Oct

BERT Update

BERT uses machine learning to help understand user queries better and to return more relevant results.

24 Sep

September 2019 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.

4 Jun

Site Diversity Update

The Site Diversity Update makes it so that one site will rarely have more than 2 organic listings in a SERP.

3 Jun

June 2019 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.

5 Apr

Deindexing Bug

A bug on Google's end made a lot of pages drop out of the index. This was fixed by April 10th.

12 Mar

March 2019 Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.


2018

1 Aug

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. Some SEOs also call this the Medic update. This update was completed on August 8th.

9 Jul

Mobile Page Speed Update

This update made it so that some of the slowest websites were not as visible in search results. There was some testing prior to this date.

16 Apr

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.

26 Mar

Mobile-First Indexing

Mobile-First Indexing was a change in how Google indexed pages. They switched from using the desktop version of pages to the mobile version. This means that content and links seen on mobile pages are what are ultimately indexed. While some sites were moved before this date, this is the date when the first big batch of websites were moved.

7 Mar

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.


2017

20 Jun

Google Jobs

Google officially launched a search feature related to jobs.

25 Apr

Project Owl

Project Owl was a quality update designed to reduce offensive and misleading pages in search results.

7 Mar

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was also referred to as Fred, a nickname given to it by Google Webmaster Trends Analyst Gary Illyes.

10 Jan

Intrusive Interstitial Penalty

The Intrusive Interstitial Penalty targeted sites with popups that made content less accessible.


2016

6 Oct

Hacked Spam Update

The hacked spam update aimed to demote hacked websites in search results.

23 Sep

Penguin 4.0

Google's Penguin algorithm was made to target webspam. This update integrated Penguin with the Core algorithm. It also changed from demoting pages to a system that tries to simply ignore bad links. This update was completed on October 12th.

17 May

Rich Cards introduced

Google launched rich cards. These are special SERP features powered by structured data. You can see the various features in <a>the search gallery<a/>.

12 May

Mobile-Friendly Update

The second Mobile-Friendly Update increased the effect of the ranking signal. It was intended to make mobile-friendly sites rank even better.

8 Jan

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking.


2015

17 Dec

Indexing HTTPS pages by default

Google started to crawl and index the HTTPS version of pages over the HTTP versions.

26 Oct

RankBrain

RankBrain is using machine learning to better understand search queries and return relevant results. Launched months before it was announced.

18 Jul

Panda 4.2

Panda updates aim to adjust rankings based on website quality. Panda 4.2 rolled out over several months.

1 May

Core Update

Core updates involve large changes to Google's algorithm aimed to make the results better. They're generally focused on E-A-T or Expertise, Authoritativeness, and Trustworthiness. These updates can cause significant shifts in ranking. This update was also referred to as "The Quality Update" and "Phantom 2".

21 Apr

Mobile-Friendly Update

The Mobile-Friendly Update, also referred to as Mobilegeddon, helped to reward websites who are mobile-friendly.

17 Mar

Doorway Pages Algorithm Update

This was a webspam update that specifically targeted doorway pages.