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Is it really worth it to ship a decoder to every user of your site rather than encode it once on your server?

Don't get me wrong, it's a super cool demo but anyone who does this is prod is a little nuts. The exception being a service that's write once read maybe like CCTV cameras.

You still encode the file once on the server. The decoder just happens to be implemented in WebAssembly.

Wikipedia uses ogv.js. If you've ever played audio or video on Wikipedia in Safari then you've used ogv.js.

Some Bach on Wikipedia in Safari: https://en.wikipedia.org/wiki/File:Chromatic_Fantasia_(Bach_...

It's all gravy, the javascript WebP decoders, until you convert your 20K high res photo site to WebP, then not realizing for a week, scratching your head about the bounce rate spiking, that you're crashing browsers left and right...

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