Search engine marketing should not be confused with search engine optimization. SEM is one facet of Internet marketing whose purpose is to promote a site by increasing its ranking on search engine result pages (SERP’s). Most often, this is done through a combination of tactics, including Pay per click (PPC) and Paid inclusion to search engines. The main difference SEO and SEM being that organic search rankings don’t cost but are often difficult to achieve top listings. Retinal testing proves that natural rankings often achieve a greater prominence and click through on the SERP’s then paid inclusion.
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Search Engine Marketing
(SEM)