From ac5bcc8cee361101e12e0f73134a294f299c7525 Mon Sep 17 00:00:00 2001
From: Lars Gebhardt-Kusche <lars@kusche.berlin>
Date: Tue, 30 Dec 2025 02:23:14 +0100
Subject: [PATCH] sd

---
 partials/structure/layout_start.php | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/partials/structure/layout_start.php b/partials/structure/layout_start.php
index cb69734..8e839ed 100644
--- a/partials/structure/layout_start.php
+++ b/partials/structure/layout_start.php
@@ -38,12 +38,17 @@ if ($debugEnabled) {
     <meta name="robots" content="<?= htmlspecialchars(APP_ROBOTS, ENT_QUOTES) ?>">
   <?php endif; ?>
   <?php
-    $canonicalHost = APP_DOMAIN_NAME ?? ($_SERVER['HTTP_HOST'] ?? 'papa-kind-treff.info');
+    $host = APP_DOMAIN_NAME ?? ($_SERVER['HTTP_HOST'] ?? 'papa-kind-treff.info');
     $scheme = (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off') ? 'https' : 'https';
-    $canonical = $scheme . '://' . $canonicalHost . ($_SERVER['REQUEST_URI'] ?? '/');
+    $canonical = $scheme . '://' . $host . ($_SERVER['REQUEST_URI'] ?? '/');
     $tlds = ['de' => 'papa-kind-treff.de', 'at' => 'papa-kind-treff.at', 'ch' => 'papa-kind-treff.ch', 'info' => 'papa-kind-treff.info'];
+    $canonTld = 'info';
+    if (preg_match('/\\.(de|at|ch|info)$/i', $host, $m)) {
+        $canonTld = strtolower($m[1]);
+    }
+    $canonicalRoot = $scheme . '://' . $tlds[$canonTld] . ($_SERVER['REQUEST_URI'] ?? '/');
   ?>
-  <link rel="canonical" href="<?= htmlspecialchars($canonical, ENT_QUOTES) ?>">
+  <link rel="canonical" href="<?= htmlspecialchars($canonicalRoot, ENT_QUOTES) ?>">
   <link rel="alternate" hreflang="de-DE" href="https://<?= $tlds['de'] ?>/">
   <link rel="alternate" hreflang="de-CH" href="https://<?= $tlds['ch'] ?>/">
   <link rel="alternate" hreflang="de-AT" href="https://<?= $tlds['at'] ?>/">