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Dates Overview

Here is a quick overview of the ongoing updates of Panda/Penguin (and Page Layout Algo) that we know of. This can be used as a wuick reference guide. For more be sure to see the dedicated pages for Panda and Penguin.

2011 Known refresh dates;

  • Panda Update 1.0 was verified by Google on Feb. 24, 2011. See this Release for more info.
  • Panda Update 2.0 was verified by Google on April 11, 2011 (about 7 week gap) (All English Update). See this Release for more info.
  • Panda Update 2.1 was verified by Google on May 10, 2011 (about 4 week gap). See this Release for more info.
  • Panda Update 2.2 was verified by Google on June 16, 2011 (about 5 week gap). See this Release for more info.
  • Panda Update 2.3 was verified by Google onJuly 23, 2011 (about 5 week gap). See this Release for more info.
  • Panda Update 2.4 was verified by Google on August 12, 2011 (about 3 week gap). See this Release for more info.
  • Panda Update 2.5 was verified by Google on September 28, 2011 (about 7 week gap). See this Release for more info.
  • Panda Update 3.0 was verified by Google on October 19, 2011 (about 3 week gap). See this Release for more info.
  • Panda Update 3.1 was verified by Google on November 18, 2011 (about 3 week gap). See this Release for more info.

 

2012 Known refresh dates;

  • Panda Update 3.2 was verified by Google on January 18, 2012 (about 5 week gap). See this Release for more info.
  • The GooPLA algo update was verified by Google on January 19,2012 (Panda ad factor isolated?). See this Release for more info.
  • Panda Update 3.3 was verified by Google on February 27, 2012 (about 5 week gap). See this Release for more info.
  • Panda Update 3.4 was verified by Google on March 23, 2012 (about 4 week gap). See this Release for more info.
  • Panda Update 3.5 was verified by Google on April 19, 2012 (about 4 week gap). See this Release for more info.
  • Penguin Update 1.0 was verified by Google on April 24, 2012 (The web spam update) See this Release for more info.
  • Panda Update 3.6 was verified by Google on April 27, 2012 (8 day gap). See this Release for more info.
  • Penguin Update 2.0 was verified by Google on May 26, 2012 (about 4 week gap). See this Release for more info.
  • Panda Update 3.7 was verified by Google on June 8, 2012 (about 5 week gap) See this Release for more info.
  • Panda Update 3.8 was verified by Google on June 25, 2012 (17 day gap). See this Release for more info.
  • Panda Update 3.9 was verified by Google on July 24th (about 4 week gap). See this Release for more info.
  • Panda Update 3.9.1 was verified by Google on Auguat 19th (about 4 week gap). See this Release for more info.
  • Panda Update 3.9.2 was verified by Google on September 18th (about 5 week gap). See this Release for more info.
  • Panda Update 4.0 was verified by Google on September 27th (about 8 day gap). See this Release for more info.
  • EMD Spam Update was verified by Google on September 28th See this Release for more info.
  • Penguin Update 3.0 was verified by Google on October 5th, 2012 (about 21 week gap). - See this Release for more info.
  • The GooPLA 2.0 algo update was verified by Google on October 9th, 2012 (about 39 week gap).
  • Panda Update 4.1 was verified (not announced) by Google on November 5th(about 5 week gap). See this Release for more info.
  • Panda Update 4.2 was verified(not announced) by Google on November 21st(16 day gap). See this Release for more info.
  • Panda Update 4.3 was verified by Google on Dec. 21 (4-5 week gap). See this Release for more info.
  • 2013 Known refresh dates;

  • Panda Update 4.4 was verified by Google on Jan. 22 (4-5 week gap). See this Release for more info.
  • Panda Update 4.5 was not verified by Google. Consensus is it happened on Feb. 20 (4-5 week gap). No Details available!
  • Panda Update 4.6 was not verified by Google on March 15 for some reason this one did not get verified.
  • Panda Update 4.7 was not verified by Google on May 10 SeachEngineland mentioned that there were rumblings it happened that week.for some reason this one did not get verified.See this Release for more info.
  • Penguin 4 (Version 2.0) on May 22, 2013 (7 1/2 mo. gap)(impacting 2.3% of queries) See this Release for more info.

We shall continue to add more as they come in.

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