Server-side Blazor maintains connection to the server-side apparently, using SignalR. SignalR is the service you need to pay for. As many simultaneous connections to SignalR are going to be used as many online users your app has at the moment of time.
Do I understand correctly, that I will need to pay for next SignalR tier once I reach certain SignalR free tier limit? And only because I use Blazor, not that I use SignalR for other purposes.
And two cost-reduction alternatives are:
- use client-side Blazor WebAssembly
- don't use Blazor at all