2025-04-05 UTC
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Zegnat [tantek]: how it works is there are 1,999,999 integer values that can be parsed into a solid colour + 6 bright/dark spot intensities. You need a secondary script to figure out which integer you need to generate the CSS blur for any specific image. So you might do it if you are building a cache of webmention author icons on your end, but not if you are hotlinking.