SEM is the acronym for Search Engine Marketing, which means marketing on search engines. SEM is a form of internet marketing, which aims to promote websites by increasing their visibility on the results pages. (SERPs) through the use of paid advertising, making the company rank in the top positions of search results for keywords related.
Search Engine Optimization (SEO) optimizes the pages of a particular website to get a better ranking in search results by selecting specific keywords associated with the website, while SEM uses various means of marketing a website to increase its relevance in the results of seekers. The biggest SEM providers are Google AdWords, Yahoo! Search Marketing and Microsoft adCenter.
SEM allows you to create a direct channel with consumers looking for products and services, since a company can appear well positioned on search engines. The positioning of the company's website can be done on natural results or on sponsored results, but regardless of where a site is well positioned, in every type of SEM action it is possible to calculate the return on investment (ROI) of actions carried out with high precision.
SEM actions can be divided into some services, such as website optimization (SEO), sponsored links, performance campaigns and registration on Search Engines.