Defeating Flash of Unstyled Text (FOUT)

I was having the same issue without knowing how to fix it, thanks for the tip. Here is the page, if you want to have a look.

Just be aware it might affect your loading times. Block makes it load longer, that's what swap is actually for.

There’s no harm in doing that. Many websites follow this step to avoid typography flickering.

Thanks for sharing how it’s done.