Click Through Rates are how you know your message is reaching the right people at the right time, with the right message. It is the measure of how many people saw your advertisement and clicked on it to go to your website.
How do you find your CTR?
Clicks = number of people who clicked on the ad
Impressions = the number of people who saw the ad
This is the number you want to measure and track performance on. These are the results that Salesforce is reporting as what you should expect:
NOTE: The sharp increase in the third quarter was large part driven by the newer large and more engaging right hand side ads rolled out at the end of Q2,
How are your Ads Performing?