By default, using a Google click tracker with the Readpeak tracking script doesn’t work seamlessly. The reason? For the Readpeak script to do its job correctly, the click ID needs to travel from the ad’s click target URL all the way to the landing page. Unfortunately, Google’s click tracker tends to drop this click ID from the URL query string. But don’t worry—there’s a workaround. You can pass the landing page as a parameter to the click tracker, ensuring that the click ID sticks around in the URL.
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So, how do you do this? It’s pretty straightforward. Just append ;? and the landing page URL to the end of your click tracker URL.

For instance, if your click tracker URL looks like this:

https://ad.doubleclick.net/ddm/clk/1111111111;2222222222;n

And your landing page URL is:

https://www.readpeak.com​

You’d modify the click tracker URL to include the landing page, like so:

https://ad.doubleclick.net/ddm/clk/1111111111;2222222222;n;?https://www.readpeak.com

By adding the landing page to the end of the click tracker, the click ID will make it through to the landing page as intended.
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One last thing—always make sure to test your click target URL by clicking the test link below each ad variation. This will help you verify that everything is working smoothly.