'fallback' and 'optional' both use a tiny block period (100ms recommended) so you can avoid flashing the fallback if the font is just being a little slow to come from cache or something. The same argument applies to 'swap', so it should use a tiny block period as well.
'fallback' and 'optional' both use a tiny block period (100ms recommended) so you can avoid flashing the fallback if the font is just being a little slow to come from cache or something. The same argument applies to 'swap', so it should use a tiny block period as well.