Improved UX by asking if I can use an URL to link directly to the Groupjive event tab (the 'events' tab now being the 2nd tab and the first 'about' tab is displayed by default as deliberately configured and desired) or even link to a specific event from external sites?
Some users find it too confusing to end-up on the Groupjive group and then having to figure out where the event tab is hidden and next scroll to the desired event and find how to attend. Especially, when they land there for the first time and haven't joined the group yet and the attend button is therefore not visible. Perhaps, it is possible to have the attend button available also for users who have not yet joined the group and 1. let them join regardless of joining the group or 2. let the users see a message after clicking/hovering on the attend button that they have to join the group first...
Happy to hear form you soon!