X11 forward: slow using firefox app over ssh

That is expected result :frowning:

X11 protocol is inefficient for drawing modern apps, not to mention the overhead of SSH encryption and decryption.

You can speed up X11 forwarding, but don't put your hopes too high.

  1. Enable Compression in the Connection tab of profile settings.
  2. Enable trusted X11 forwarding, set ForwardX11Trusted option to yes in Advanced tab.

I answer this in another post of your:

Yang