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You’re Probably Serving Images Wrong

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Mar 9, 2026
14:56

Most developers get images working and move on. But that usually means shipping files that are larger than they need to be, wasting bandwidth, and leaving performance on the table. In this video, I walk through a smarter way to serve images with SvelteKit: hashed assets, modern formats, responsive images, and how the browser actually chooses which image to download. Chapters: 00:00 Why Images Slow Sites 02:08 Static Images and Cache Busting 04:49 Enhanced Image Plugin Setup 05:32 Picture Sources and Smaller Files 07:41 Huge Savings on Real PNGs 08:32 Responsive Widths and Sizes 14:40 Wrap Up Say hi / more • ✉️ Newsletter & notes: https://ttemp.link/me • 🦋 Bsky: https://ttemp.link/bsky • ❎ X (Twitter): https://ttemp.link/x

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You’re Probably Serving Images Wrong | NatokHD