The tick means that the website visitor saw your message. If the visitor switched temporarily to another tab on his browser or another website, the tick won’t show up, meaning he didn’t see your message yet.
Make sure that the Charla app has the permission to display notifications. Open the Settings app ➡ Notifications ➡ Charla, and make sure Allow Notifications is on. If you have an Android device, you can follow the same corresponding steps.
When you switch your availability to offline, a couple of things happens: You no longer receive notification for incoming message on the desktop or mobile app. Your profile photo no longer appears when a visitor launches the widget on your