Under what conditions are messages not delivered to a user's browser?
Messages will not arrive to a user's browser under the following conditions:
- None of the open tabs in a user's browser are displaying web pages containing the app's PubNub subscribe code
- Mobile browser is minimized (app is running in background). Note that a desktop browser is ok in that scenario.
- Active tab in a mobile browser does not contain the app's PubNub subscribe code. Note that desktop browser is ok.