click-through rate
US /ˈklɪk.θruː ˌreɪt/
UK /ˈklɪk.θruː ˌreɪt/

1.
the percentage of people who click on an item, such as a banner advertisement, on a website, compared to the total number of people who view the page
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Our new ad campaign has a high click-through rate.
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Improving the click-through rate is crucial for online marketing success.
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