[wp-trac] [WordPress Trac] #63748: site helth status - cache

[WordPress Trac]

#63748: site helth status - cache
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 Reporter:  vincentbreton    |       Owner:  (none)
     Type:  feature request  |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  General          |     Version:  6.8.2
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by dannythedog):

 I’m seeing the same behavior on my site.
 I’m running WordPress on a VPS with Nginx FastCGI cache and Cloudflare in
 front. Full page cache is handled at the server level, not by a plugin.

 Site Health still reports “Page cache is not detected but the server
 response time is OK”, even though TTFB is around 50ms after enabling
 FastCGI cache.

 The HTML response from my origin includes a header like:

 X-Cache-Status: HIT

 but this header is not part of the list that
 WP_Site_Health::get_page_cache_headers() checks for. It would be helpful
 if Site Health could also treat headers like X-Cache / X-Cache-Status as a
 signal that full page cache is enabled, or provide an easier way (filter)
 to add custom cache headers for this test.

 This setup follows the official performance documentation for server-side
 caching (Nginx FastCGI cache), but the Site Health check still looks “red”
 which is confusing for users.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63748#comment:1>
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