Mirage

The Spoof HTTP referrer string of third-party requests option in uMatrix will prevent codepen.io pages from working. Codepen checks if the referer has been changed and refuses to show the preview if that happens.

You can check if an event has any subscribers by null-checking a automatically generated, hidden field, if your event is called MyEvent, the field will be called MyEventEvent. That way, you can check if an event is used at all.

How to diagnose git/ssh problems:

GIT_SSH_COMMAND="ssh -vv" git push -u origin main