SEM is short, used in Romanian, of English term Search Engine Marketing, meaning in translation search engine marketing (Internet).

SEM is a subset of online marketing dealing with changing position of a site in the results (lists, hit list, SERPs – Search Engine Result Pages) of search engines and / or by displayingpaid advertisements that appear next to results.

SEO techniques belong to the practice of SEM, but the two terms are still different. SEM can mean: type advertising such as Pay-Per-Click, paid links (links), classical advertising (through banners, pictures of type GIF etc.).

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