Fundamentals × What Makes a Website Slow?

In this episode of Syntax, Wes and Scott talk through all the reasons your website might be slow, and how you can troubleshoot a slow website such as issues on the server, large assets, caching, CSS, JavaScript, latency, and more.

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Show Notes

• 00:11 Welcome
• Glove 80 keyboard
• Raycast
• 03:06 Sponsor: Sentry
• 05:15 What makes a website slow?
• Uses.tech
• 06:29 Server Generation Times
• 13:33 Large payloads
• Redis
• Gzip
• Brotli compression
• Cloudflare
• Cloudinary
• 18:13 Assets being too large
• 23:01 Caching assets
• 28:25 CDN
• 30:35 Caching 101
• 37:04 Render blocking requests
• 40:01 CSS
• 42:25 JavaScript
• 44:51 Latency
• 49:17 Flash of dark mode or unsigned out
• 55:00 Data uris
• Content-visibility
• vite-plugin-singlefile
• Pool in your URL
• 58:11 SIIIIICK ××× PIIIICKS ×××

××× SIIIIICK ××× PIIIICKS ×××

• Scott: 3Blue1Brown
• Wes: Suavecito Firme Clay Pomade

Shameless Plugs

• Scott: LevelUp Tutorials
• Wes: Wes Bos Tutorials

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• LevelUpTutorials Instagram
• Wes’ Instagram
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• Scott’s Twitter
• Make sure to include @SyntaxFM in your tweets

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