How to use Retargeting?
Re-engage or filter out users who have already clicked your link.
With Retargeting, you can redirect or block returning visitors within a specific time window.
How to use the Retargeting?
Go to the retargeting section and enable the retargeting.

Select a Time Window
Choose how far back Ninja Link should look for returning visitors.
Last 1 hour
Last 6 hours
Last 12 hours
Last 24 hours
Last 7 days
Last 30 days
This defines how long Ninja Link will remember each visitor before resetting their session.

Define the Action
Once your time window is set, decide what happens to returning users:
Redirect → Send them to a custom URL
Block → Show them an access denied

Save and Test
Click Save Changes to confirm your settings.
You can test it by clicking your link, waiting a bit, and then clicking again to confirm the retargeting behavior.