To make a Squarespace Popup on Button Click, you can follow these.
#1. Add a Popup Content
In Not Linked > Click Plus icon (+)
Add a Blank Page with name/URL:
- Popup Page – /popup-page
Then design your content. We will use this page as Popup Content.
#2. Edit Button > Paste this URL:
- #wm-popup=/popup-page
Make sure the option “Open link in new tab” is disabled
#3. Install this popup plugin.
The plugin will give you some code, you can add to Code Injection Header and Footer.
#4. Done. When clicking on the Squarespace Button >> Popup will appear