[wp-trac] [WordPress Trac] #28722: Boost performance with ETag in load-scripts.php and load-styles.php

[WordPress Trac]

#28722: Boost performance with ETag in load-scripts.php and load-styles.php
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 Reporter:  sergej.mueller   |       Owner:
     Type:  feature request  |      Status:  new
 Priority:  normal           |   Milestone:  4.5
Component:  Script Loader    |     Version:  4.0
 Severity:  normal           |  Resolution:
 Keywords:  has-patch        |     Focuses:  administration, performance
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Changes (by swissspidy):

 * keywords:  has-patch needs-refresh => has-patch


Comment:

 Replying to [comment:9 ocean90]:
 > `HTTP/1.1` should probably be replaced with the value of
 `$_SERVER['SERVER_PROTOCOL'];`. Related: #34131

 [attachment:28722.4.diff] now uses `status_header( 304 )`.

 Replying to [comment:8 dd32]:
 > [attachment:28722.3.diff] looks good to me, although some mechanism for
 testing this in trunk before release would be greatly beneficial.. having
 code that does nothing in trunk, and suddenly kicks in post-release could
 be a disaster :)
 >
 > (I can't see how this could blow up in our faces though)

 I don't currently have an idea how to do this (without updating
 `$wp_version` in nightly builds). Maybe already trigger it for Betas and
 RCs?

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Ticket URL: <https://core.trac.wordpress.org/ticket/28722#comment:10>
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