SEM: Paid ads on Search engine result pages(SERPs)
Search engine marketing (SEM) is one of the digital marketing strategies helps to increase the visibility of a website in search engine results pages (SERPs).While term once referred to organic search activities such as search engine optimization (SEO) and paid,now it has another face exclusively to paid search advertising.Search engine marketing in one form or another is also alternately referred to as paid search or pay per click (PPC).