Click-through rate, the ratio of the number of times a user clicks on an online advertisement per number of viewers who view the Web site that has the advertisement on it. For example, if one out of 100 people who visit a specific Web site click on an advertisement and are taken to the advertiser's site, then the CTR of that advertisement is 1/100, or 1%.
NCREASE in CTR can mean a lot to AdSense revenue. To increase AdSense revenue, should increase the traffic or CTR. If somehow you manage to triple your CTR just by adjusting the Google AdSense code, you can get three times more traffic. Here are some tips to increase your
simply its the click Through rate. its a measurement the number of visitors that you get for each keyword. nothing else. its a very important thing becasue you can know the competition level by studing the CTR. thanks