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Improve `cache-control` header
https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control
-
stale-while-revalidate
-
stale-if-error
-
immutable
Maybe not yet, until the spec is in WD phase.
Opening this to track it.
Perhaps we should also remove the ETag
header while at it. We already set a proper cache-control
header, not sure if the ETag
one has any value.
This is something I'd like to sort soon too, mostly stale-while-revalidate
.