SEM or Search Engine Marketing…

From Wikipedia, the free encyclopedia Search engine marketing, (SEM), is a form of Internet marketing that seeks to promote websites by increasing their visibility in search engine result pages (SERPs) through the use of, paid placement, contextual advertising, and...

What is SEO?

Wikipedia says this: Search engine optimization (SEO) is the process of improving the visibility of a website or a web page in search engines via the "natural" or un-paid ("organic" or "algorithmic") search results. Other forms of search engine marketing (SEM) target...