EngineScript
diff --git a/‎config/etc/nginx/globals/map-cache.conf‎
Lines changed: 7 additions & 0 deletions b/‎config/etc/nginx/globals/map-cache.conf‎
Lines changed: 7 additions & 0 deletions
diff --git a/‎config/etc/nginx/globals/php-fpm.conf‎
Lines changed: 3 additions & 0 deletions b/‎config/etc/nginx/globals/php-fpm.conf‎
Lines changed: 3 additions & 0 deletions
@@ -124,6 +124,13 @@ map $http_x_requested_with $es_http_x_request_with {
   "XMLHttpRequest"                        1;
 }
 
+# Early Hints pass-through gate
+# Only enable for top-level navigations on HTTP/2 or HTTP/3 clients.
+map $http_sec_fetch_mode $es_early_hints {
+  default                                 "";
+  navigate                                $http2$http3;
+}
+
 # X-Cache-Enabled Header Maps for WordPress Site Health - DISABLED FOR TESTING
 #map $upstream_cache_status $header_x_cache_enabled {
 #  default true;
 
@@ -24,6 +24,9 @@ if ($skip_cache = 0 ) {
 # HTTP Reponse Headers
 include /etc/nginx/globals/response-headers.conf;
 
+# Pass upstream 103 Early Hints only for eligible clients.
+early_hints $es_early_hints;
+
 # Include FastCGI Configuration
 include /etc/nginx/globals/fastcgi-modified.conf;
 fastcgi_index index.php;