[1] [CITE[Bits Up!: Cache-Control: immutable]]
( ([TIME[2016-05-23 04:58:24 +09:00]]))
<http://bitsup.blogspot.jp/2016/05/cache-control-immutable.html>

[2] [CITE@en[1267474 – Cache-Control: immutable]]
( ([TIME[2016-06-06 11:11:07 +09:00]]))
<https://bugzilla.mozilla.org/show_bug.cgi?id=1267474>

[3] [CITE@en[{cache: "no-cache"} vs Cache-Control: immutable · Issue #308 · whatwg/fetch]]
( ([TIME[2016-06-06 11:16:19 +09:00]]))
<https://github.com/whatwg/fetch/issues/308>

[4] [CITE[dont-revalidate Cache-Control header]]
( ([TIME[2015-07-14 15:20:20 +09:00]]))
<https://www.ietf.org/mail-archive/web/httpbisa/current/msg25463.html>

[5] [CITE@en[draft-ietf-httpbis-immutable-00 - HTTP Immutable Responses]]
([TIME[2017-01-25 23:03:13 +09:00]])
<https://tools.ietf.org/html/draft-ietf-httpbis-immutable-00>