From 91d32acfdce7410ae9e5ff6f30b8a9ff91512884 Mon Sep 17 00:00:00 2001
From: Alexandre Alapetite <alexandre@alapetite.fr>
Date: Wed, 7 May 2025 10:53:59 +0200
Subject: HTTP Cache-Control immutable (#7552)

Start using `Cache-Control: immutable` for some resources served with a timestamp.
https://developer.mozilla.org/en-US/docs/Web/HTTP/Reference/Headers/Cache-Control#immutable
The `<If>` directive requires Apache 2.4+
---
 p/.htaccess | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'p')

diff --git a/p/.htaccess b/p/.htaccess
index e7376e46e..e6d024c5e 100644
--- a/p/.htaccess
+++ b/p/.htaccess
@@ -39,6 +39,11 @@ AddDefaultCharset	UTF-8
 <IfModule mod_headers.c>
 	<FilesMatch "\.(css|gif|html|ico|js|png|svg|woff|woff2)$">
 		Header	merge Cache-Control "public"
+		# If you run an old Apache 2.2-, comment out the following <If> section
+		<If "%{QUERY_STRING} =~ /^[0-9]+$/">
+			# For requests like `frss.css?1746304092`
+			Header merge Cache-Control "immutable"
+		</If>
 	</FilesMatch>
 	Header edit Set-Cookie ^(.*)$ "$1; SameSite=Lax"
 </IfModule>
-- 
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