About this episode
Is your app feeling sluggish? Scott and Wes break down the biggest performance bottlenecks—like bloated assets, slow databases, and waterfall requests—and share easy wins to make your site feel lightning fast. From smarter caching to preloading tricks, these tips will have your app zipping along in no time! Show Notes 00:00 Welcome to Syntax! 00:58 Brought to you by Sentry.io . 02:01 What makes apps slow? 02:10 Loading too much. 03:26 Slow database work. 04:04 Slow server. 04:54 Waterfall requests. 06:34 How do I know what is slow? 06:45 Web vitals . 12:50 Streaming. 14:05 Network tab. 18:18 Performance tab. 22:53 Caching. 22:59 Client-side caching. 23:38 Server-side caching. Valkey.io . Redis.io . 25:40 Local data. 26:11 Gzip. 29:23 CDN. 30:57 Images. Cloudinary . Cloudflare Images . Imgix . Vercel Images . 31:08 Serving. 34:16 Compressing. 35:06 Ship fewer images. 35:50 Loading JS. Async vs Defer Attributes . 37:00 CSS. 38:28 Preloading & Prefetch. 39:40 Preloading on hover. 41:44 Ship less code. 43:49 Icons Nucleo App . 47:01 Fonts Tolin.ski . 51:13 Sick Picks + Shameless Plugs. Sick Picks Scott: Skywalkers on Netflix . Wes: Oxo Swivel Peeler . Shameless Plugs Scott: Syntax on YouTube . 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