It’s official! Google announced via their Twitter account ( and Google + ) that the 23rd data update to Panda on December 22nd 2012. This is an early Christmas present from the search team at Google and one that was not expected. Last year they waited till after the holidays to release their next update giving webmasters around the world time to relax. Looks like Google is trying to keep us on our toes this year!
Panda Update 1, Feb. 24, 2011 (11.8% of queries; announced; English in US only)
Panda Update 2, April 11, 2011 (2% of queries; announced; rolled out in English internationally)
Panda Update 3, May 10, 2011 (no change given; confirmed, not announced)
Panda Update 4, June 16, 2011 (no change given; confirmed, not announced)
Panda Update 5, July 23, 2011 (no change given; confirmed, not announced)
Panda Update 6, Aug. 12, 2011 (6-9% of queries in many non-English languages; announced)
Panda Update 7, Sept. 28, 2011 (no change given; confirmed, not announced)
Panda Update 8, Oct. 19, 2011 (about 2% of queries; belatedly confirmed)
Panda Update 9, Nov. 18, 2011: (less than 1% of queries; announced)
Panda Update 10, Jan. 18, 2012 (no change given; confirmed, not announced)
Panda Update 11, Feb. 27, 2012 (no change given; announced)
Panda Update 12, March 23, 2012 (about 1.6% of queries impacted; announced)
Panda Update 13, April 19, 2012 (no change given; belatedly revealed)
Panda Update 14, April 27, 2012: (no change given; confirmed; first update within days of another)
Panda Update 15, June 9, 2012: (1% of queries; belatedly announced)
Panda Update 16, June 25, 2012: (about 1% of queries; announced)
Panda Update 17, July 24, 2012:(about 1% of queries; announced)
Panda Update 18, Aug. 20, 2012: (about 1% of queries; belatedly announced)
Panda Update 19, Sept. 18, 2012: (less than 0.7% of queries; announced)
Panda Update 20 , Sep. 27, 2012 (2.4% English queries, impacted, belatedly announced
Panda Update 21, Nov. 5, 2012 (1.1% of English-language queries in US; 0.4% worldwide; confirmed, not announced)
Panda Update 22, Nov. 21, 2012 (0.8% of English queries were affected; confirmed, not announced)
Panda Update 23, Dec. 21, 2012 (1.3% of English queries were affected; confirmed, announced
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By Matthew Wilkos