SEO-Search Engine Optimization
SEO means to put your website at first page of Google when anybody search anything related to your website.It is powerful web marketing technique that is used by search engine to rank your website higher than many of the other websites in response to search made by user.Search Engines are text driven. It read content through crawler that use to know about your website.
HISTORY
1995-Yahoo launches its Web Directory
2000-Yahoo uses Google Algorithm instead of Altavista
2001-Page Rank is revealed to users through the toolbar. Arguments about SEO began
2005-No follow tag introduced
2009-Google introduces Caffeine Algorithm
2009-Bing and Yahoo merge
2011-Panda Algorithm update
April 24, 2012-Penguin Algorithm Update
September 27, 2012-Exact Match Domain Update
October 7, 2012-65 Pack Rollout
August 20, 2013-Humming Bird Update
October 4, 2013-Penguin 2.1(#5) Another Penguin Update
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