SEARCH ENGINE OPTIMIZATION

History of Google Algorithm Updates

Google’s algorithms are a complex system used to retrieve data from its search index and instantly deliver the best possible results for a query. The search engine uses a combination of algorithms and numerous ranking signals to deliver webpages ranked by relevance on its search engine results pages (SERPs).

In its early years, Google only made a handful of updates to its algorithms. Now, Google makes thousands of changes every year.

Most of these updates are so slight that they go completely unnoticed. However, on occasion, the search engine rolls out major algorithmic updates that significantly impact the SERPs such as: Fred, Intrusive Interstitials Update, Mobilegeddon, RankBrain, Panda, Penguin, Hummingbird, Pigeon, Payday, EMD (Exact Match Domain) and Page Layout Algorithm.

Below we have compiled a full list of Google algorithm launches, updates, and refreshes that have rolled out over the years, as well as links to resources for SEO professionals who want to understand each of these changes.

All Google Algorithm Updates

May 4, 2020
May 2020 Core Update

January 22, 2020
Featured Snippet Deduplication

January 13, 2020
January 2020 Core Update

December 9, 2019
BERT (Worldwide)

October 25, 2019
BERT Update

September 24, 2019
Broad Core Algorithm Update

June 2, 2019
June 2019 Core Update

March 12, 2019
March 2019 Core Update (a.k.a. Florida 2)

February 13, 2019
Valentine’s Day Update

October 31, 2018
Unconfirmed Halloween Update

September 27, 2018
A “Small” Update

August 1, 2018
Broad Core Algorithm Update

April 16, 2018
Broad Core Algorithm Update

March 9, 2018
Broad Core Algorithm Update

December 12, 2017
Maccabees Update

September 8, 2017
Fall Flux

August 19, 2017
Quality Update

July 9, 2017
Quality Update

June 25, 2017
June 25 Update

May 17, 2017
Quality Update

March 7, 2017
Fred

February 7, 2017
February 7 Update

February 1, 2017
February 1 Update

January 10, 2017
Intrusive Interstitials Update

November 10, 2016
Unnamed Update

September 23, 2016
Penguin Update 4.0 & Core Algorithm Integration

June 1, 2016
Quality Update

May 12, 2016
Mobile-Friendly Update (#2)

January 11, 2016
Panda Core Algorithm Incorporation

October 26, 2015
RankBrain

July 17, 2015
Panda Update 4.2 (#28)

May 3, 2015
Quality Update

April 21, 2015
Mobile-Friendly Update

October 17, 2014
Penguin Update 3.0

September 23, 2014
Panda Update 4.1 (#27)

July 24, 2014
Pigeon Update

June 12, 2014
Payday Loan Update 3.0

May 20, 2014
Panda Update 4.0 (#26)

May 16, 2014
Payday Loan Update 2.0

February 6, 2014
Page Layout Refresh

October 4, 2013
Penguin Update 2.1

September 26, 2013
Hummingbird Update

June 11, 2013
Payday Loan Update

May 22, 2013
Penguin Update 2.0

March 14, 2013
Panda Update (#25)

January 22, 2013
Panda Update (#24)

December 21, 2012
Panda Update (#23)

November 21, 2012
Panda Update (#22)

November 5, 2012
Panda Update (#21)

October 9, 2012
Page Layout Update #2

October 5, 2012
Penguin Update 1.2

September 28, 2012
Exact Match Domain Update

September 27, 2012
Panda Update (#20)

September 18, 2012
Panda Update 3.9.2 (#19)

August 20, 2012
Panda Update 3.9.1 (#18)

July 24, 2012
Panda Update 3.9 (#17)

June 25, 2012
Panda Update 3.8 (#16)

June 8, 2012
Panda update 3.7 (#15)

May 26, 2012
Penguin Update 1.1

April 27, 2012
Panda Update 3.6 (#14)

April 24, 2012
Penguin Update

April 19, 2012
Panda Update 3.5 (#13)

March 23, 2012
Panda Update 3.4 (#12)

February 27, 2012
Panda Update 3.3 (#11)

February 27, 2012
Venice Update

January 19, 2012
Page Layout Update

January 18, 2012
Panda Update 3.2 (#10)

November 18, 2011
Panda Update 3.1 (#9)

November 3, 2011
Freshness Update

October 19, 2011
Panda Update 3.0 (#8)

September 28, 2011
Panda Update 2.5 (#7)

August 12, 2011
Panda Update 2.4 (#6)

July 23, 2011
Panda Update 2.3 (#5)

June 21, 2011
Panda Update 2.2 (#4)

May 9, 2011
Panda Update 2.1 (#3)

April 11, 2011
Panda Update 2.0 (#2)

February 23, 2011
Panda Update

April 28, 2010
MayDay Update

August 10, 2009
Caffeine Update

January 18, 2009
Vince Update

December 15, 2005
Big Daddy Update

September 1, 2005
Jagger Update

November 16, 2003
Florida Update

 

Read more here.

Additional Links:

What Is a Google Algorithm Update?

What Is a Google Broad Core Algorithm Update?

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