You can open a popup when a user clicks on the link, before redirecting to the page of the URL.
To make this happen, simply add the following class to to your link: class="sg-confirm-popup-1"
1. Create the popup you need
2. In your Pages list, select the one you need to have a popup on
4. Paste the code in Text mode of the HTML editor
5. Inside the code, replace your popup id, add your redirect URL and add a text clicking on which the popup will appear
Ex.<a href="https://sygnoos.com/" class="sg-confirm-popup-1">Popup</a>
And here's the result on the Page: