[lug] default web page width

[Deva Samartha]

Hi,

is there something like a default page width (in pixels) of a web page?

Once there were pages which had a ruler at the bottom: Please adjust your 
browser to "this" but they seem to be less common now.

I made a page something like 600 pixel wide but then, when printing it, it 
cuts off on the right side.

Thanks,

Samartha