How's Linear so fast? A technical breakdown

A few milliseconds is all it takes to update an issue in Linear. A traditional CRUD app doing the same thing takes about 300ms. How do they do it? There's no secret silver bullet to performance. The reality is that it's built from the ground up on the right foundation, then improved by countless decisions. My goal is to walk through some of the techniques that make Linear feel the way it does and

[oooooooo]

"Font loading is one of those details a lot of apps get wrong. The failure modes are visible: invisible text for half a second, layout shifts as the real font swaps in, double-fetched resources because the preload didn't match." / "Render first, authenticate second"

[mkusaka]

Linearの高速の仕組みを解説：IndexedDBのローカルファースト同期やMobXの細粒度更新、初回はmodulepreloadとサービスワーカーで即表示する。