Search engine marketing (SEM) is a digital marketing strategy used to increase the visibility of a website in search engine results pages (SERPs). ... Search engine marketing is also alternately referred to as paid search or pay per click (PPC).

Search Engine Marketing refers to a variety of techniques and strategies a company can use to generate more visitor traffic from search engine results pages (SERPS) to a website. The goal of SEM is to promote a website's visibility using paid search, contextual advertising, and organic search rankings.

There is some search engine mostly used by the users which are Google, Bing, Yahoo, Baidu, AOL, Ask.com, Excite, DuckDuckGo.