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Add cache-control:immutable for immutable assets #425
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TIL! Fantastic, thank you |
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Since the
client/assets are immutable and uniq'ed by a checksum, we can add immutable caching headers to allow browsers that support it (Firefox, Edge currently) to avoid unnecessary revalidation requests.The way Chrome currently works is that it uses heuristics based on the
max-agerather thanimmutable, so this will also work for Chrome. Not sure about Safari.