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Comment by jszymborski | Hacker News Reader

This is also pretty easy is Hugo, albeit maybe less automatic [0].

   {{ $image.Resize "600x webp q50" }}

[0] https://gohugo.io/content-management/image-processing/

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I tried this a couple years ago with Netlify and Hugo targeting 1x, 2x and 3x sized images. The processing time is too slow with more than around 500 images, resulting in build timeouts.

I switched to checking in the alternate image sizes and using a hugo image render hook to check for the existence of the alternative images to generate the appropriate srcset.

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