SEO Friendly Content Writing

Why SEO Friendly content is necessary..????
Today lots of sites are lunching in a half a second but all are not visible in search engines results.SEO is the process to optimizing the particular website that can easily found during searching .The content is the live information that is available on website that pull towards the search engine to the site and reserve its place in search engine result.

Actually SEO Friendly Content Writing is not writing for Search Engines it is for readers of the site. Search engine also concerned to endow the most informative write-ups that effectively communicate with their visitors.

Research
Keyword Density
Better Ranking