There’s a long history of SEO algorithm updates by Google search index changes and refreshes. Here are top Google algorithm updates that you need to know. Don’t miss the chance to learn these important resources.
What is Google Hummingbird update?
Google Hummingbird is the new as compare to Panda and Penguin updates. It is introduced on the 17th Sep of 2013. Reason behind to launch Google Hummingbird to make search engines more precise and fast. Its role is just not to show search matching a few words, it actually give more attention to each word in a search query meaning.
See also: Google Voice Search Updates
What is Google Panda update?
Google Panda update was first introduced on 24th Feb 2011, it is a search filter intended to give low rank to poor quality content that showing into top Google search results. Let’s check all released dates of Google Panda updates that make search engine more efficiently and keeping down sites having low quality contents. 
- Panda 1.0 – February 24, 2011
- Panda 2.0 – April 11, 2011
- Panda 2.1 – May 10, 2011
- Panda 2.2- June 16, 2011
- Panda 2.3 – July 26, 2011
- Panda 2.4 – August 14, 2011
- Panda 2.5 – September 30, 2011
- Panda 3.1 – November 18, 2011
- Panda 3.2 – January 18, 2012
- Panda 3.3 – February 27, 2012
- Panda 3.4 – March 23, 2012
- Panda 3.5 – April 19, 2012
- Panda 3.6 – April 27, 2012
- Panda 3.7 – June 8, 2012
- Panda 3.8 – June 25, 2012
- Panda 3.9 – July 24, 2012
- Panda 3.9.1 – August 20, 2012
- Panda 3.9.2 – September 18, 2012
- Panda 20 – September 27, 2012
- Panda 21 – November 5, 2012
- Panda 22 – November 21, 2012
- Panda 23 – December 21, 2012
- Panda 24 – January 22, 2013
- Panda 25 – March 14, 2013
- Panda Recovery – July 18, 2013
- Panda 4.0 – May 19, 2014
- Panda 4.1 – September 23, 2014
- Panda 4.2 – July 17, 2015
What is Google Penguin update?
On 24th April 2012, Google launched Penguin Update to catch and control spamming sites that involve in buying links, manipulating tactics in link building and obtaining best result in Google search results.
Let‘s see the history of Google Penguin Updates.
- Penguin 1.0 – April 24, 2012
- Penguin 1.1 – March 26, 2012
- Penguin 1.2 – October 5, 2012
- Penguin 2.0 – May 22, 2013
- Penguin 2.1 – October 4, 2013
- Penguin 3.0 – October 17, 2014
- Penguin 4.0 – September 23, 2016
What is Google Pigeon Update?
Google Pigeon update was launched on 24th July, 2014 for U.S. English results. It is a new algorithm to provide more useful, accurate and relevant local search results. As per the Google news, they stated that this algorithm improves their location and distance keywords ranking parameters.
EMD Update
EMD that also know for Exact Match Domain introduced in Sep 2012 to stop poor quality websites from getting rank on SERPs (Search Engine Result Page) with exact match search terms in their domain.
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