Pay-Per-Click (PPC) Advertising
PPC is an online advertising model in which advertisers pay each time a user clicks on one of their online ads.
There are different types of PPC ads, but one of the most common types is the paid search ad. These ads appear when people search for things online using a search engine like Google – especially when they are performing commercial searches, meaning that they’re looking for something to buy. This could be anything from a mobile search (someone looking for “pizza near me” on their phone) to a local service search (someone looking for a dentist or a plumber in their area) to someone shopping for a gift (“Mother’s Day flowers”) or a high-end item like enterprise software. All of these searches trigger pay-per-click ads.
In pay-per-click advertising, businesses running ads are only charged when a user actually clicks on their ad, hence the name “pay-per-click.”
Other forms of PPC advertising include display advertising (typically, serving banner ads) and remarketing.
In order for ads to appear alongside the results on a search engine (commonly referred to as a Search Engine Results Page, or SERP), advertisers cannot simply pay more to ensure that their ads appear more prominently than their competitor’s ads. Instead, ads are subject to what is known as the Ad Auction, an entirely automated process that Google and other major search engines use to determine the relevance and validity of advertisements that appear on their SERPs.