Google Major Algorithm Updates

S. No	Update Name	Date of Update	Major Points
1	Fred	8-Mar-17	Thin, affiliate-heavy or ad-centered content
2	Possum	1-Sep-16	Tense competition in your target location
3	RankBrain	26-Oct-15	Lack of query-specific relevance features; shallow content; poor UX
4	Mobile	21-Apr-15	Lack of a mobile version of the page; poor mobile usability
5	Pigeon	July 24, 2014 (US); December 22, 2014 (UK, Canada, Australia)	Poor on- and off-page SEO
6	Hummingbird	22-Aug-13	Keyword stuffing; low-quality content
7	Payday Update	11-Jun-13	A new algorithm targeted at cleaning up search results for traditionally "spammy queries" such as [payday loan], pornographic and other heavily spammed queries.
8	Exact Match Domain	5-Sep-12	prevent poor quality sites from ranking well simply because they had words that match search terms in their domain names. When a fresh EMD Update happens, sites that have improved their content may regain good rankings
9	Pirate Update	4-Aug-12	designed to prevent sites with many copyright infringement reports, as filed through Google's DMCA system, from ranking well in Google's listings
10	Penguin	24-Apr-12	Spammy or irrelevant links; links with over-optimized anchor text
11	Panda	24-Feb-11	Duplicate, plagiarized or thin content; user-generated spam; keyword stuffing