Pay-per-click (PPC) is an online marketing model. This kind of advertising is common and most closely related to Google, though PPC ads can also be found on Facebook, Microsoft Bing, and other sites. The advertiser must have to pay a fee every time someone clicks on their ad with Pay-per-click (PPC) marketing. When it comes to pay-per-click advertising, relevance is everything. Users who click on your ads are looking for specific services, information, or products. Advertisers can use PPC to bid on ad placement, which is typically done through sponsored links on a search engine like Google.