What Is CTR?The Clickthrough Rate (CTR) is the number of clicks on an ad, divided by the times an ad was shown. It's a very important metric in SEM and PPC advertising.
The Definition of CTR
CTR stands for Click Through Rate. CTR is the number of times your ads have been clicked on, divided by the times they have been shown (these are called impressions).
The CTR is shown as a percentage and can be calculated for PPC campaigns, ad groups, advertisements, keywords, target groups, topics, and so on.
Why is CTR important?
A high CTR hints at a healthy and relevant AdWords or PPC campaign. It is also one of the main contributors to a high Quality Score (QS), rewarding advertisers with discounts on their click prices and higher ad positions within Google AdWords.