Click-Through Rate(redirected from Pay-per-click)
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The number of visitors to a website that click on the advertisements present on that website as a percentage of total visitors. Click-through rates are vitally important to e-commerce businesses that derive their revenue predominantly or exclusively from ads. Because click through rates have declined over time, some websites rely on sheer volume of visitors to compensate for low click-through rates. CPM, PPC, Impression.