点击率（英语：Click through rate，缩写CTR），又称点进率，一种衡量网页热门程度的指标。
英语百科
Click-through rate 点击率
（重定向自Ad Click Rate）
Click-through rate (CTR) is the ratio of users who click on a specific link to the number of total users who view a page, email, or advertisement. It is commonly used to measure the success of an online advertising campaign for a particular website as well as the effectiveness of email campaigns.