202. Online Advertising › key terms and concepts Content websites that serve PPC adverts from the same provider,Content network such as AdWords.Conversion A visitor completing a target action. Refers to the cost of acquiring a new customer. The advertiser onlyCost per action (CPA) pays when a desired action is achieved (sometimes called cost per acquisition). Refers to when an advertiser only pays when their ad is clicked upon,Cost per click (CPC) giving them a visitor to their site - typically from a search engine in pay per click search marketing.Cost per mil (CPM) Amount paid for every 1000 views of an advertisement. Google’s PPC program, which allows advertisers to display theirGoogle AdWords adverts on relevant search results and across Google’s content network. A language read by web browsers. Certain HTML “tags” are usedHyperText Markup to structure the information and features within a web page. AsLanguage (HTML) an example, HTML emails usually contain graphics and can be interactive.Internet protocol (IP) The Internet Protocol (IP) address is an exclusive number which isaddress used to represent every single computer in a network.Internet service Internet Service Provider – this is the company that is providing youprovider (ISP) access to the Internet, for example MWEB or AOL.Key performance A metric that indicates whether a website is achieving its goals.indicator (KPI) PPC is advertising on search engines where the advertiser pays onlyPay per click (PPC) for each click on their advert. Unrequested window that opens on top of the currently viewedPopup window. Measuring the effectiveness of a campaign by collecting andTracking evaluating statistics. A piece of code that tracks a user’s interaction and movementTracking code through a website. Newspapers, magazines, television and publishing houses are theTraditional media realm of traditional media.Unique selling point Unique selling point (or proposition) - what makes your offering(USP) different to your competitors’. This is a video that becomes immensely popular, leading to itsViral video spread through word-of-mouth on the Internet via email, social networks and other hosting websites. 199