Just like in any browser, in Tor browser it is also possible to have bookmarks toolbar visible (by default that's off), this makes web page height reduced by the height of bookmarks toolbar. For Tor browser users it's well known that we should not maximize Tor to cover entire screen but keep it at default width and height to prevent width and height of the browser (or web page?) being detected and this way standing out of the crowd. However, even if using default width and height of the brows...
