Scott and Wes break down the tricks and techniques for making your app feel blazing fast—even when it’s not. From optimistic UI to preload-on-hover, it’s all about perception, not just performance. Show Notes 00:00 Welcome to Syntax! 01:12 Brought to you by Sentry.io. 02:34 Mousedown or pointerdown events. 06:00 UI animations should be fast. 08:00 Animations should not block interaction. 08:20 Animations should be cancellable / reversible. 10:50 Optimistic UI. 12:37 Local Data. 13:36 Delay loading indicators. 14:40 Page loading indicators. 15:47 Preload on hover. 17:13 Calculate mouse trajectory. 18:51 Full page spinner on every change. 20:04 Pixelated spinners. 20:23 Skeleton loaders. 23:43 Photo frames. 25:52 Search on input instead of search on click. 26:46 Progress loaders than move in between steps. 27:31 Community submissions. Hit us up on Socials! Syntax: X Instagram Tiktok LinkedIn Threads Wes: X Instagram Tiktok LinkedIn Threads Scott: X Instagram Tiktok LinkedIn Threads Randy: X Instagram YouTube Threads