diff --git a/.gitmodules b/.gitmodules
new file mode 100644
index 0000000..311ed3e
--- /dev/null
+++ b/.gitmodules
@@ -0,0 +1,3 @@
+[submodule "vendor/weirsoe-theme"]
+	path = vendor/weirsoe-theme
+	url = ssh://gitea@gitea.weircon.dk:2222/agw/Weircon-wind.git
diff --git a/src/components/Head.astro b/src/components/Head.astro
index 0c39b6f..03eb9c5 100644
--- a/src/components/Head.astro
+++ b/src/components/Head.astro
@@ -73,6 +73,32 @@ const graphs = [baseGraph, ...jsonLd];
   _paq.push(['setDomains', ['*.weirsoe.dk', '*.xn--weirse-fya.dk']]);
   _paq.push(['setVisitorCookieTimeout', 31536000]); // visitor-cookie lever 1 år (sekunder)
   _paq.push(['enableLinkTracking']);
+  // Enhedsmodel (Custom Dimension 2): grov enheds-kohorte ud fra skaerm (logiske pt) + DPR.
+  // Apple maskerer GPU-strengen, saa 6,1-tommer-generationen kan ikke splittes finere end gruppe.
+  (function () {
+    try {
+      var w = screen.width, h = screen.height, dpr = Math.round(window.devicePixelRatio || 1);
+      var k = Math.min(w, h) + 'x' + Math.max(w, h) + '@' + dpr;
+      var ua = navigator.userAgent || '';
+      var isApple = /iPhone|iPad|iPod/.test(ua) || (/Macintosh/.test(ua) && navigator.maxTouchPoints > 1);
+      var iphone = {
+        '320x568@2': 'iPhone SE(1)/5s',
+        '375x667@2': 'iPhone SE(2/3)/6/7/8',
+        '414x736@3': 'iPhone 6+/7+/8+ Plus',
+        '375x812@3': 'iPhone X/XS/11Pro/12mini/13mini',
+        '390x844@3': 'iPhone 12/13/14/16e (6,1 tomme notch)',
+        '393x852@3': 'iPhone 14Pro/15/15Pro/16',
+        '402x874@3': 'iPhone 16Pro',
+        '414x896@2': 'iPhone XR/11',
+        '414x896@3': 'iPhone XSMax/11ProMax',
+        '428x926@3': 'iPhone 12ProMax/13ProMax/14Plus',
+        '430x932@3': 'iPhone 14ProMax/15Plus/15ProMax/16Plus',
+        '440x956@3': 'iPhone 16ProMax'
+      };
+      var model = iphone[k] ? iphone[k] : (isApple ? ('Apple ukendt ' + k) : ('Andet ' + k + ' ' + (navigator.platform || '?')));
+      _paq.push(['setCustomDimension', 2, model]);
+    } catch (e) {}
+  })();
   _paq.push(['trackPageView']);
   (function () {
     var u = '/_a/';
diff --git a/vendor/weirsoe-theme b/vendor/weirsoe-theme
new file mode 160000
index 0000000..2e02df8
--- /dev/null
+++ b/vendor/weirsoe-theme
@@ -0,0 +1 @@
+Subproject commit 2e02df8fc467e94f975fdb42ea7ed5c4b9a409dc