Google Algorithm Updates of 2005

NoDateUpdateNoticeable effectReferences
1January 18, 2005NoFollow AttributeUnknownGoogle Official Blog, Search Engine Watch
2February 02, 2005Allegra UpdateUnknownSearch Engine Watch, Webmaster World
3May 20, 2005Bourbon UpdateUnknownSearch Engine Roundtable, Webmaster World
4June 02, 2005Google SitemapsUnknownSearch Engine Watch
5June 28, 2005Personalized SearchUnknownGoogle Official Blog, Search Engine Watch
6September 08, 2005Gilligan UpdateUnknownSearch Engine Watch, Matt Cutts
7October 06, 2005Google Local and MapsUnknownGoogle Press Release
8October 19, 2005Jagger UpdateUnknownSearch Engine Journal, Webmaster World, Search Engine Roundtable
9November 01, 2005Big Daddy UpdateUnknownMatt Cutts, Webmaster World, SEO Moz

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