Google Algorithm Updates of 2012

NoDateUpdateNoticeable effectReferences
1January 5, 2012January 30-PackUnknownGoogle's Official Blog, Search Engine Land
2January 18, 2012Panda 3.2UnknownSearch Engine Roundtable, Search Engine Land
3January 19, 2012Top Heavy 1 Update1% of searches globallyGoogle's Official Blog, Search Engine Land
4February 3, 2012February 17-PackUnknownGoogle's Official Blog, Search Engine Land
5February 27, 2012Panda 3.3UnknownSearch Engine Land, Search Engine Roundtable
6February 27, 2012February 40-PackUnknownGoogle's Official Blog
7February 27, 2012VeniceUnknownMoz, Search Engine Land
8March 23, 2012Panda 3.41.6% of searchesSearch Engine Land
9April 3, 2012March 50-PackUnknownGoogle's Official Blog, Search Engine Land
10April 16, 2012Parked Domain BugUnknownSearch Engine Land, Search Engine Roundtable
11April 19, 2012Panda 3.5UnknownSearch Engine Land, Search Engine Roundtable
12April 24, 2012Penguin 1.03.1% of English searchesGoogle's Official Blog, Search Engine Land 1, Search Engine Land 2
13April 27, 2012Panda 3.6UnknownSearch Engine Land
14May 4, 2012April 52-PackUnknownGoogle's Official Blog, Search Engine Land
15May 16, 2012Knowledge GraphUnknownGoogle's Official Blog, Search Engine Land
16May 25, 2012Penguin 1.20.1 % of English searchesSearch Engine Land
17June 7, 2012May 39-PackUnknownGoogle's Official Blog, Search Engine Land
18June 8, 2012Panda 3.71% US & Worldwide search resultsSearch Engine Roundtable, Moz
19June 25, 2012Panda 3.81% of global searchesSearch Engine Land, Search Engine Roundtable
20July 24, 2012Panda 3.91% of searchesSearch Engine Roundtable, Search Engine Land, Search Engine Journal
21August 10, 2012Pirate Update and DMCA PenaltyUnknownGoogle's Official Blog, Search Engine Land
22August 10, 2012June/July 86-PackUnknownGoogle's Official Blog, Search Engine Land
23August 14, 20127-Result SERPsUnknownSearch Engine Land, Moz
24August 20, 2012Panda 3.9.11% of searchesSearch Engine Roundtable, Search Engine Land
25September 18, 2012Panda 3.9.20.7% of searchesSearch Engine Roundtable, Search Engine Land
26September 27, 2012Exact-Match Domain (EMD) Update0.6% of English US searchesMoz, Search Engine Land
27September 27, 2012Panda #202.4% of English searchesSearch Engine Roundtable
28October 4, 2012August/September 65-PackUnknownGoogle's Official Blog
29October 5, 2012Penguin 1.30.3% of English searchesSearch Engine Land, Search Engine Roundtable
30October 9, 2012Top Heavy 2 Update0.7% of English searchesSearch Engine Land, Search Engine Roundtable
31November 5, 2012Panda #211.1% of English searchesSearch Engine Land, Search Engine Roundtable
32November 21, 2012Panda #220.8% of English searchesSearch Engine Roundtable, Search Engine Land
33December 4, 2012Knowledge Graph ExpansionUnknownGoogle's Official Blog, TechCrunch
34December 21, 2012Panda #231.3% of English searchesSearch Engine Roundtable, Search Engine Land

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