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28 July 2013

What is CTR?

One way to determine how successful an online advertising campaign has been is by looking at its Click Through Rate or CTR.

CTR is a measurement of the amount of times your ads have been clicked on. To calculate a single ad’s click through rate, you must divide the number of clicks by the amount of impressions — the amount of times an ad has been displayed on a webpage — the ad has received.

Example: You are running an advertisement that has been clicked on 50 times and has 4,000 impressions. To calculate the CTR, you divide 50 by 4,000 to get .0125. (Calculation: 50/4,000 = .0125)

You will want to express your CTR as a percentage, so you will multiply the .125 by 100, revealing that your ad has had a 1.25% click through rate. (Calculation .0125×100 = 1.25%)

The industry average CTR is about .08%, so having a 1.25% CTR means your advertising campaign is doing very well.

Sarah Griffith is Executive Editor of, an Advice Interactive Group product. She’s worked with BubbleLife since 2011, transitioning to Advice during BubbleLife’s acquisition in 2017. Sarah has a Bachelor of Arts degree in Journalism-Public Relations from Baylor University and has a passion for all things related to content. She has formerly served in multiple roles at BubbleLife, including Digital Marketing Consultant, Account Executive, Business Editor, and Neighborhood Editor, helping expand the company from eight community websites in Dallas-Fort Worth to more than 250 nationwide. When out of the office, Sarah can typically be found listening to live music and engaging in a never-ending hunt for the best queso in Dallas.