SEO ia all about keywords and keyword ranking. Choosing the best keyword for website is a very analytical process. Google adword is one of the...
+1 button is a new features of Google. It has going to have big impact on SERP in Google.
No doubt google analytic is the best.
Content optimization and meta tags are the major factor of on page optimization.
PPC is Totally Paid and give traffic immediate whereas SEO is free but get time in result
SMO is the fastest way to increase traffic on site/blog.
SEO give your site online presence and improve business.
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