One Signal Push notification.

[cmcbhi]

This AM, all my push notifications from MacRumors yielded this:

Apple Maps Alerts International Travelers of Self-Isolation Guidance

Apple Maps appears to have started alerting users of self-isolation guidance for international travelers if they've recently been at an airport. ...

onesignal.com

Safari cannot open this page.
URL blocked by an add blocker
one signal.com yielded this:

Safari Cannot open this page.
URL blocked by an add blocker
I turned off MalwareBytes and AdBlock to no avail.
Any Help?

iMac 27' late 2013
Catalina 10.15.6

 

[arn]

Can you try it in another browser? Or in a private window?

 

[cmcbhi]

Private window and turning off AdBlock for Safari did it.
Thanks