Literally HTTP can be used over UDP but actually, HTTP until v2 is not designed for UDP transport. And you will never see any browser support HTTP over UDP. HTTP/3 may change that but it's too soon to say.
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Literally HTTP can be used over UDP but actually, HTTP until v2 is not designed for UDP transport. And you will never see any browser support HTTP over UDP. HTTP/3 may change that but it's too soon to say.