diff --git a/package.json b/package.json
index 4e1a19d1..be24a933 100644
--- a/package.json
+++ b/package.json
@@ -43,6 +43,7 @@
 	"dependencies": {
 		"@friendofsvelte/tipex": "0.0.7",
 		"md5": "^2.3.0",
+		"posthog-js": "^1.249.4",
 		"svelte-persisted-store": "^0.12.0"
 	}
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9e1e1436..16f61476 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -14,6 +14,9 @@ importers:
       md5:
         specifier: ^2.3.0
         version: 2.3.0
+      posthog-js:
+        specifier: ^1.249.4
+        version: 1.249.4
       svelte-persisted-store:
         specifier: ^0.12.0
         version: 0.12.0(svelte@5.28.2)
@@ -751,6 +754,9 @@ packages:
     resolution: {integrity: sha512-U71cyTamuh1CRNCfpGY6to28lxvNwPG4Guz/EVjgf3Jmzv0vlDp1atT9eS5dDjMYHucpHbWns6Lwf3BKz6svdw==}
     engines: {node: '>= 0.6'}
 
+  core-js@3.42.0:
+    resolution: {integrity: sha512-Sz4PP4ZA+Rq4II21qkNqOEDTDrCvcANId3xpIgB34NDkWc3UduWj2dqEtN9yZIq8Dk3HyPI33x9sqqU5C8sr0g==}
+
   crelt@1.0.6:
     resolution: {integrity: sha512-VQ2MBenTq1fWZUH9DJNGti7kKv6EeAuYr3cLwxUWhIu1baTaXh4Ib5W2CqHVqib4/MqbYGJqiL3Zb8GJZr3l4g==}
 
@@ -844,6 +850,9 @@ packages:
       picomatch:
         optional: true
 
+  fflate@0.4.8:
+    resolution: {integrity: sha512-FJqqoDBR00Mdj9ppamLa/Y7vxm+PRmNWA67N846RvsoYVMKB4q3y/de5PA7gUmRMYK/8CMz2GDZQmCRN1wBcWA==}
+
   fill-range@7.1.1:
     resolution: {integrity: sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==}
     engines: {node: '>=8'}
@@ -1138,6 +1147,20 @@ packages:
     resolution: {integrity: sha512-dle9A3yYxlBSrt8Fu+IpjGT8SY8hN0mlaA6GY8t0P5PjIOZemULz/E2Bnm/2dcUOena75OTNkHI76uZBNUUq3A==}
     engines: {node: ^10 || ^12 || >=14}
 
+  posthog-js@1.249.4:
+    resolution: {integrity: sha512-Qq4cxDZ1P9BkwguuoVNTiLGQiET9vrzwjYWLS3DduKhRXqEzERLl9tOq2X8ZNPbo+D207+FILdWg/dTKUItfDg==}
+    peerDependencies:
+      '@rrweb/types': 2.0.0-alpha.17
+      rrweb-snapshot: 2.0.0-alpha.17
+    peerDependenciesMeta:
+      '@rrweb/types':
+        optional: true
+      rrweb-snapshot:
+        optional: true
+
+  preact@10.26.8:
+    resolution: {integrity: sha512-1nMfdFjucm5hKvq0IClqZwK4FJkGXhRrQstOQ3P4vp8HxKrJEMFcY6RdBRVTdfQS/UlnX6gfbPuTvaqx/bDoeQ==}
+
   prettier-plugin-svelte@3.3.3:
     resolution: {integrity: sha512-yViK9zqQ+H2qZD1w/bH7W8i+bVfKrD8GIFjkFe4Thl6kCT9SlAsXVNmt3jCvQOCsnOhcvYgsoVlRV/Eu6x5nNw==}
     peerDependencies:
@@ -1521,6 +1544,9 @@ packages:
   w3c-keyname@2.2.8:
     resolution: {integrity: sha512-dpojBhNsCNN7T82Tm7k26A6G9ML3NkhDsnw9n/eoxSRlVBB4CEtIQ/KTCLI2Fwf3ataSXRhYFkQi3SlnFwPvPQ==}
 
+  web-vitals@4.2.4:
+    resolution: {integrity: sha512-r4DIlprAGwJ7YM11VZp4R884m0Vmgr6EAKe3P+kO0PPj3Unqyvv59rczf6UiGcb9Z8QxZVcqKNwv/g0WNdWwsw==}
+
   which@2.0.2:
     resolution: {integrity: sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==}
     engines: {node: '>= 8'}
@@ -2117,6 +2143,8 @@ snapshots:
 
   cookie@0.6.0: {}
 
+  core-js@3.42.0: {}
+
   crelt@1.0.6: {}
 
   cross-spawn@7.0.6:
@@ -2211,6 +2239,8 @@ snapshots:
     optionalDependencies:
       picomatch: 4.0.2
 
+  fflate@0.4.8: {}
+
   fill-range@7.1.1:
     dependencies:
       to-regex-range: 5.0.1
@@ -2463,6 +2493,15 @@ snapshots:
       picocolors: 1.1.1
       source-map-js: 1.2.1
 
+  posthog-js@1.249.4:
+    dependencies:
+      core-js: 3.42.0
+      fflate: 0.4.8
+      preact: 10.26.8
+      web-vitals: 4.2.4
+
+  preact@10.26.8: {}
+
   prettier-plugin-svelte@3.3.3(prettier@3.5.3)(svelte@5.28.2):
     dependencies:
       prettier: 3.5.3
@@ -2851,6 +2890,8 @@ snapshots:
 
   w3c-keyname@2.2.8: {}
 
+  web-vitals@4.2.4: {}
+
   which@2.0.2:
     dependencies:
       isexe: 2.0.0
diff --git a/src/hooks.client.ts b/src/hooks.client.ts
new file mode 100644
index 00000000..9803f880
--- /dev/null
+++ b/src/hooks.client.ts
@@ -0,0 +1,8 @@
+import posthog from 'posthog-js';
+import type { HandleClientError } from '@sveltejs/kit';
+
+export const handleError: HandleClientError = ({ error, status }) => {
+	if (status !== 404) {
+		posthog.captureException(error);
+	}
+};
diff --git a/src/routes/+layout.svelte b/src/routes/+layout.svelte
index f700ac9d..19822874 100644
--- a/src/routes/+layout.svelte
+++ b/src/routes/+layout.svelte
@@ -20,12 +20,22 @@
 	import { goto } from '$app/navigation';
 	import { onMount } from 'svelte';
 
+	import posthog from 'posthog-js';
+	import { browser } from '$app/environment';
+
 	onMount(() => {
 		const urlParams = new URLSearchParams(window.location.search);
 		if (urlParams.get('experimental') === 'true') {
 			$preferencesStore.experimentalFeatures = true;
 			goto('/');
 		}
+		if (browser) {
+			posthog.init('phc_jg4gOdigfHQD4MSgrSaO883dp2LjNJbJO7azv61UtI0', {
+				api_host: 'https://us.i.posthog.com',
+				person_profiles: 'always',
+				capture_exceptions: true
+			});
+		}
 	});
 </script>