I need my raspberry (new Pi OS with debian bookworm) to show a certain web page in full mode, so I run this script
firefox -kiosk -private 'www.example.com'
and can expect firefox to open www.example.com in full screen according to documentation. This does not happen in my case. The window might be "full screen" but is not centered. I have a workaround for that at the moment, my script looks like this
firefox 'www.example.com'
sleep 15
xdotool key F11
Do you have ideas why the -kiosk flag does not work?