my blog https://overreacted.io
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public/progressive-json/index.md
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public/progressive-json/index.md
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title: Progressive JSON
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date: '2025-05-31'
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spoiler: Why streaming isn't enough.
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youtube: https://www.youtube.com/watch?v=MaMQLNBZz64
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Do you know about Progressive JPEGs? Here's a [nice explanation](https://www.liquidweb.com/blog/what-is-a-progressive-jpeg/) of what a Progressive JPEG is. The idea is that instead of loading the image top to bottom, the image instead is fuzzy at first and then progressively becomes more crisp.