Identify the sessions which are connected via Native Workspace App versus Receiver for Web (Browser).
Open PowerShell on Delivery Controller, or Remote PowerShell SDK for Cloud, and run...
asnp Citrix*
Get-BrokerSession -MaxRecordCount 10000 | where SessionState -EQ "Active" | select UserName,DeviceId | Export-Csv C:\Sessions.csv
The DeviceId field can help us determine if the session was initiated from Native Workspace App for Receiver for Web. For Native App, the DeviceId is the "hostname" of the Client, whereas for Receiver for Web, the output start with "WR_".