Site Health: Add common HTTP response headers for page cache detection.

westonruter · westonruter · commit d34430e23525 · 2025-12-06T01:53:29.000Z
Developed in WordPress/wordpress-develop#10598 Follow-up to [54043]. Props akshat2802, szepeviktor, dmsnell, vincentbreton, dannythedog, westonruter. See #56041. Fixes #63748. Built from https://develop.svn.wordpress.org/trunk@61355 git-svn-id: http://core.svn.wordpress.org/trunk@60667 1a063a9b-81f0-0310-95a4-ce76da25c4cd
diff --git a/wp-admin/includes/class-wp-site-health.php b/wp-admin/includes/class-wp-site-health.php
@@ -3412,6 +3412,16 @@ public function get_page_cache_headers() {
 			},
 			'x-srcache-store-status' => $cache_hit_callback,
 			'x-srcache-fetch-status' => $cache_hit_callback,
+
+			// Generic caching proxies (Nginx, Varnish, etc.)
+			'x-cache'           => $cache_hit_callback,
+			'x-cache-status'    => $cache_hit_callback,
+			'x-litespeed-cache' => $cache_hit_callback,
+			'x-proxy-cache'     => $cache_hit_callback,
+			'via'               => '',
+
+			// Cloudflare
+			'cf-cache-status' => $cache_hit_callback,
 		);
 
 		/**
diff --git a/wp-includes/version.php b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.0-alpha-61354';
+$wp_version = '7.0-alpha-61355';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.

Original file line number	Diff line number	Diff line change
`@@ -16,7 +16,7 @@`
`16`	`16`	`*`
`17`	`17`	`* @global string $wp_version`
`18`	`18`	`*/`
`19`		`-$wp_version = '7.0-alpha-61354';`
	`19`	`+$wp_version = '7.0-alpha-61355';`
`20`	`20`
`21`	`21`	`/**`
`22`	`22`	`* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.`