How do I get Firefox to open all pages FULL size?[Linux]

[Roger Davis]

How do I get Firefox to open EVERY page FULL size, ALL the time, as though I clicked the box on top ?!?

[kerft]

If privacy.resistFingerprinting is true, windows will open to a smaller non-full size. It could be something else but that is one thing to check.

[Roger Davis]

No such setting
1) I'm using a real computer, not a phone
2) This is a Ubuntu system, Firefox 70.0 (64-bit)

[therube]

I don't think you can.
As in I don't think Mozilla has figured out how to do this.
And, they may even purposely not open all windows full-screen, for "performance" reasons (less to display, less to draw...).

Oh, & I'm talking more about when opening FF from Session Restore, mainly.


(Likewise, FF can't seem to be able to restore the ordering of windows, from Session Restore, along the [Windows] taskbar.
You know, something one would actually expect to happen, consistently. Something you would think they could figure out how to accomplish...)

[Grumpus]

Have you started Firefox in full screen, does it have any affect on the opened windows?