Shows the connection/media stats window by default
&statsto a URL shows the connection/media stats window.
On desktop, you can hold
Left-Clicka video to get its stats. On Version 22 you can
Right-Click-> Stats on a video feed to get its stats.
On mobile, you can just rapidly touch the display to trigger the stats window instead.
&statsURL parameter is for those like vMix users who might not be able to interact with the browser source.