点击付费广告是应用于搜索引擎、广告系统和内容页（如博客）的网络广告模型，在这种模型中，投放广告者只有当广告被点击才向业主付费。

• Pay Per Click (PPC) is an Internet advertising model used on search engines, advertising networks, and content sites, such as blogs, in which advertisers pay their host only when their ad is clicked.