In WhatsApp there is the field "Online" or also "Last Online". When is this field displayed or when is one displayed online with one's contacts? We would like to discuss this in more detail in the following article:
Both displays are indicators that you or a contact is or had been online.
When is "online” displayed in WhatsApp?
This timestamp is displayed every time you open WhatsApp in the foreground on your smartphone (Android or iPhone).
The last online timestamp refers to the time when the contact left WhatsApp on their smartphone, i.e. when it no longer runs in the foreground.
You now know when your contacts are shown the status "Online" or "Last Online".