What is the difference between SEO and SEM?

In simple terms, the difference between SEO and SEM is given below:

SEO - Search engine optimization (SEO) is improving website visibility in search engines, usually by free methods like following HTML standards and building content.
SEM - Search engine marketing (SEM) is a type of online marketing that focuses on search engines - this can include normal search results but also PPC/paid search placement.

Therefore, search engine optimization (SEO) is a part of search engine marketing (SEM).

Article ID: 944
Created: Sun, Jun 12, 2011
Last Updated: Thu, Dec 24, 2015
Author: Administrator

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