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Search engine optimization or Seo is the tool for making a site increases its ranking on search engines. This is done by making the right modifications for your site so that it can be easily read by the search engines. With the right optimizer, even though search engines like Google and Yahoo have programs that scan websites, you can use these programs to your benefit. How can you do that? By finding the right information on a website the program determines the value of the site. Now, you can actually give the right information the programs are looking for if you optimize your site.