Google Released Total 174 Algorithm Update | Google Panda, Penguin, Spam Update, Core Update & More.

Google Toolbar – December 1, 2000 (Confirmed) 1st Documented Update – September 1, 2002 (Unconfirmed) Boston Update – February 1, 2003 (Confirmed) Cassandra Update – April 1, 2003 (Unconfirmed) Dominic Update – May 1, 2003 (Unconfirmed) Esmeralda Update – June 1, 2003 (Unconfirmed) Fritz Update – July 1, 2003 (Confirmed) Supplemental Index Update – September 1, 2003 (Unconfirmed) Florida Update – November 1, 2003 (Confirmed) Austin Update – January 1, 2004 (Unconfirmed) Brandy Update – February 1, 2004 (Confirmed) Nofollow Update – January 1, 2005 (Confirmed) Allegra Update – February 1, 2005 (Unconfirmed) Bourbon Update – May 1, 2005 (Confirmed) Personalized Search – June 1, 2005 (Confirmed) XML Sitemaps Update – June 1, 2005 (Confirmed) Gilligan Update – September 1, 2005 (Unconfirmed) Jagger Update – October 1, 2005 (Confirmed) Google Local/Maps Update – October 1, 2005 (Confirmed) Big Daddy Update – December 1, 2005 (Confirmed) Supplemental