What does PPC mean? pay-per-click PPC stands for pay-per-click, a model of internet marketing in which advertisers pay a fee each time one of their ads is clicked. Essentially, it's a way of buying visits to your site, rather than attempting to “earn” those visits organically. Search engine advertising is one of the most popular forms of PPC.What is the difference between SEM and PPC? PPC stands for 'Pay-Per-Click', and refers to a type of online advertising. SEM stands for 'Search Engine Marketing', and is the blanket term used for any kind of activity intended to improve how easy it is to find a particular website via a search engine.What is SEM in digital marketing? 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).What is SEM and how it works? A scanning electron microscope (SEM) scans a focused electron beam over a surface to create an image. The electrons in the beam interact with the sample, producing various signals that can be used to obtain information about the surface topography and composition.What is difference between SEM and SEO? The main difference between SEM vs. SEO is that SEM is a paid strategy and SEO is an organic strategy. Like most things in the search industry, the definitions related to search marketing have evolved . Some marketers may consider SEM to be an umbrella term that includes both paid and organic strategies.