[wp-trac] [WordPress Trac] #64370: Response header detection in page cache test for Site Health should be more robust

WordPress Trac noreply at wordpress.org
Sat Dec 6 11:32:40 UTC 2025


#64370: Response header detection in page cache test for Site Health should be more
robust
-------------------------+--------------------------
 Reporter:  westonruter  |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  7.0
Component:  Site Health  |     Version:  6.1
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  performance
-------------------------+--------------------------
Changes (by solankisoftware):

 * keywords:  needs-patch => has-patch


Comment:

 Replaces the old string-based cache header detection in Site Health with a
 more robust method.
 Adds case-insensitive matching, supports additional cache headers, and
 prevents false positives.
 Improves accuracy across Varnish, NGINX, Cloudflare, LiteSpeed, and host-
 level caching systems.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64370#comment:3>
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