diff --git a/.githooks/pre-commit b/.githooks/pre-commit
new file mode 100755
index 0000000..1bfe681
--- /dev/null
+++ b/.githooks/pre-commit
@@ -0,0 +1,4 @@
+#!/bin/sh
+# Same check as CI: abort the commit if Hugo can't build cleanly.
+make build || exit 1
+make clean
diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..c75e875
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: "/"
+    schedule:
+      interval: weekly
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
new file mode 100644
index 0000000..220f8f1
--- /dev/null
+++ b/.github/workflows/check.yml
@@ -0,0 +1,22 @@
+name: Build Check
+
+on:
+  pull_request:
+    branches: [main]
+  push:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: peaceiris/actions-hugo@v3
+        with:
+          hugo-version: "0.152.2"
+          extended: true
+
+      # Fails the run on any Hugo error (broken templates, shortcodes, refs).
+      - run: hugo --gc --minify --panicOnWarning
+        working-directory: blog
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f356810..0818204 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -21,6 +21,8 @@ jobs:
         key: ${{ secrets.VPS_SSH_KEY }}
         port: 22
         script: |
+          set -e
+
           # Pull latest changes
           cd /home/agres/website
           git pull origin main
diff --git a/.gitignore b/.gitignore
index ba845a0..3bb444d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,3 @@
-# Private Google Datei
-googleeb4005177cc2703c.html
-
 # public folder
 public/
 
diff --git a/blog/layouts/baseof.html b/blog/layouts/baseof.html
index c1d0a54..7c43b90 100644
--- a/blog/layouts/baseof.html
+++ b/blog/layouts/baseof.html
@@ -6,6 +6,9 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>{{ .Site.Params.browserTitle }} :: {{ .Title }}</title>
     {{ with .Description }}<meta name="description" content="{{ . }}">{{ end }}
+    <link rel="canonical" href="{{ .Permalink }}">
+    {{ range .AllTranslations }}<link rel="alternate" hreflang="{{ .Language.Lang }}" href="{{ .Permalink }}">
+    {{ end }}
     <link rel="icon" type="image/svg+xml" href="/favicon.svg">
     <link rel="icon" type="image/png" sizes="96x96" href="/favicon-96x96.png">
     <link rel="icon" href="/favicon.ico" sizes="any">
diff --git a/blog/static/googleeb4005177cc2703c.html b/blog/static/googleeb4005177cc2703c.html
new file mode 100644
index 0000000..71ee064
--- /dev/null
+++ b/blog/static/googleeb4005177cc2703c.html
@@ -0,0 +1 @@
+google-site-verification: googleeb4005177cc2703c.html
\ No newline at end of file