HTTP 203
Progressively loading images - HTTP 203

Progressively loading images - HTTP 203


In this episode, Jake (that's him on the left) and Surma (that's the other one) chat about how the different image formats load, and what you can do to make them feel faster.

Stuff we mention: Tool to slow-load images → Squoosh → MozJPEG → lib-jpeg encoder bug → Scripting JPEG scans (see 'Multiple Scan / Progression Control') → Squoosh PR experimenting with scans → Jake's blog post on AVIF → AVIF blurry preview demo → AVIF preview frame spec discussion → AVIF preview thumbnail feature issue → BlurHash →

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