Lookback: Google Panda algorithm update launched 12 years ago

It was 12 years ago today that Google launched the Panda update. Websites impacted by the Google Panda Update were downgraded algorithmically. But Google doesn’t consider downgrading rankings for a website algorithmically as a “penalty.”Why was Google Panda launched? Google Panda algorithm explained: how it workedMuch speculation followed the arrival of Google Panda. Here's Search Engine Land's coverage of Panda, from 2011 to 2016:Feb. 23, 2011: Panda Update 1.0April 11, 2011: Google Panda Update 2.0May 9, 2011: Panda Update 2.1June 21, 2011: Panda Update 2.2July 23, 2011: Panda Update 2.3Aug. 12, 2011: Panda Update 2.4Sept. 28, 2011: Panda Update 2.5Oct. 19, 2011: Panda Update 3.0Nov. 18, 2011: Panda Update 3.1Jan. 18, 2012: Panda Update 3.2Feb. 27, 2012: Panda Update 3.3March 23, 2012: Panda Update 3.4April 19, 2012: Panda Update 3.5April 27, 2012: Panda Update 3.6June 8, 2012: Panda Update 3.7June 25, 2012: Panda Update 3.8July 24, 2012: Panda Update 3.9Aug. 20, 2012: Panda Update 3.9.1Sept. 18, 2012: Panda Update 3.9.2Sept. 27, 2012: Panda Update #20Nov. 5, 2012: Panda Update #21Nov. 21, 2012: Panda Update #22Dec. 21, 2012: Panda Update #23Jan. 22, 2013: Panda Update #24March 14, 2013: Panda Update #25July 18, 2013: Panda Update #26May 20, 2014: Panda Update 4.0Sept. 23, 2014: Panda Update 4.1July 17, 2015: Panda Update 4.2