I told Firefox to only use my preferred fonts and everything looks good to me.

User-in-control is best.

I’d love to just use `font-face: sans-serif` and always leave it up to the user, but different font metrics result in different (usually way too big) line heights.

Out of curiosity, what’s your font of choice?

Cool. Any thoughts on the article?

(How'd you install those fonts on all your devices?)

That user likely doesn't primarily browse on mobile.

Bummer. User-in-control is best.

> How'd you install those fonts on all your devices?

System Fonts - they come built-in to the OS.

Those vary by OS, but the OP only said "my preferred fonts" (not "system")