I often scroll with the space bar instead of more modern contrivances like arrow keys, scroll wheels, trackpoints, or trackpads. Sites with these header bars a

I often scroll with the space bar instead of more modern contrivances like arrow keys, scroll wheels, trackpoints, or trackpads. Sites with these header bars always seem to scroll the entire viewport y size instead of (y - bar_height), so after I hit space I have to up-arrow some number of times to see the next line of text that should be visible but is hidden under the bar.