972: These Things Make Your App Feel Like Crap on Mobile

Wes and Scott talk about why mobile web apps often feel “janky” compared to native—and how to fix it. They cover input zooming, accidental horizontal scroll, pointer/user-select quirks, frame rate consistency, full-page refreshes, and more. Show Notes 00:00 Welcome to Syntax! 01:11 Brought to you by Sentry.io 02:57 Zooming inputs 06:11 Horizontal scrolling 08:49 Proper use of pointer-events: none, and user-select: none 11:27 Allowing zoom on everything 16:37 Cleaning up the “jank” 19:48 Full page refresh 24:05 Slow loading times 29:50 Cumulative layout shift 32:47 Address bars and viewport units Dynamic Viewport Units 35:34 Full-width scroll traps 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