it's ironic (but expected) that this blog post talking about "fast font loading techniques" is riddled with problems: flash of unstyled text, flash of invisible text, square boxes until glyphs are loaded, difference in web font size causing the entire page to shift upwards to compensate for new height: https://i.imgur.com/Gxo5CUk.gif

shameless plug if you like these kinds of problems and want to incorporate them onto your own webage: http://hiccupfx.telnet.asia