Answer:
As you are working on a Google Search Ad that's not performing as expected and you specifically want more users to click on the ad. To improve the click-through rate on your ad, you have to enhance and improve the text of your ad, you can do it by selecting and using more better, effective, rich, competitive and most searched keywords. Moreover, you can take help from higher converting advertisement copy as well. Adding the links of your ad to other social media and blog pages can also be very helpful. Furthermore, you should stop the ads which are not performing well. All of these things can improve the click-through rate on your ad.
