[wp-trac] [WordPress Trac] #40602: Implement immutable cache headers

[WordPress Trac]

#40602: Implement immutable cache headers
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 Reporter:  programmin                  |       Owner:  pbearne
     Type:  enhancement                 |      Status:  assigned
 Priority:  normal                      |   Milestone:  Future Release
Component:  Script Loader               |     Version:
 Severity:  normal                      |  Resolution:
 Keywords:  needs-patch good-first-bug  |     Focuses:  performance
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Comment (by samiamnot):

 Interesting and likely no harm in adding it now, but as per
 [https://caniuse.com/mdn-http_headers_cache-control_immutable CanIUse.com
 Cache-Control: immutable], only 19.66% of global users are on supporting
 browsers. Chromium never implemented it. The good news is that it looks
 like someone at Microsoft just accepted
 [https://issues.chromium.org/issues/41253661 Chromium bug 41253661 -
 Implement Cache-Control: immutable] that was filed in 2016.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40602#comment:7>
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