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Google updates and algorithm changes

The goal of every Google algorithm change, also called Google Update, is to (further) increase the quality of the search results for the user. Google uses more than 200 ranking factors to determine the quality and relevancy of every URL. Google’s ranking algorithms help get the most relevant information from the Google-Index.

Year Ask SISTRIX topics on Google updates and algorithm changes
2015 Google Panda Update 4.2
2015 Google Core Algorithmus Update (Phantom Update)
2015 Google Mobile-Friendly Ranking-Faktor Update
2014 Google Pirate Update 2.0
2014 Google Penguin Update 3.0
2014 Google Panda 4.1
2014 Google HTTPS Ranking-Faktor Update
2014 Google Payday Loan Update 3.0
2014 Google Panda Update 4.0
2014 Google Payday Loan Update 2.0
2014 Google Page Layout Update #3 (Ads Above The Fold)
2013 Google Penguin Update 2.1
2014 Google Hummingbird Update
2013 Google Payday Loan Update
2013 Google Penguin Update 2.0
2012 Google Page Layout Update #2 (Ads Above The Fold)
2012 Google Exact-Match Domain (EMD) Update
2012 Google DMCA Penalty
2012 Google Penguin Update
2012 Google Venice Update
2012 Google Page Layout Algorithm Update (Ads Above The Fold)
2011 Google Freshness Update
2011 Google Expanded Sitelinks Update
2011 Google Panda Update
2010 Google Caffeine Update
2010 Google May Day Update
2009 Google Vince Update (Brand Update)
2008 Google Dewey Update
2007 Google Buffy Update
2005 Google Big Daddy Update
2005 Google Jagger Update
2005 Google Gilligan Update
2005 Google Bourbon Update
2005 Google Allegra Update
2004 Google Brandy Update
2004 Google Austin Update
2003 Google Florida Update
2003 Google Fritz Update
2003 Google Esmeralda Update
2003 Google Dominic Update
2003 Google Cassandra Update
2003 Google Boston Update
2002 1st documented Google Update

Google Update Overview

We have compiled all algorithm changes into a helpful Google Updates Overview. You can simply type in a domain for free and see how it did in weeks of public Google Updates.

Google Updates
Google Updates

Video explanation from Google / Matt Cutts on this subject

Matt Cutts from Google explains: What are some of the metrics that Google uses to evaluate whether one iteration of the ranking algorithm is delivering better quality results to users than another?

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