This checklist came in very handy during a performance-related workshop I was running today (I may have said the sentence “Always ask yourself What Would Zach Do?”).
- Start Important Font Downloads Earlier (Start a Web Font load)
- Prioritize Readable Text (Behavior while a Web Font is loading)
- Make Fonts Smaller (Reduce Web Font load time)
- Reduce Movement during Page Load (Behavior after a Web Font has loaded)
The first two are really straightforward to implement (with
font-display). The second two take more work (with subsetting and the font loading API).