diff --git a/Caddyfile b/Caddyfile
index 4b1e7db..cdbbae2 100644
--- a/Caddyfile
+++ b/Caddyfile
@@ -4,6 +4,11 @@
 }
 
 :80 {
+    # Shared assets available on all domains under /shared/
+    handle /shared/* {
+        root * /srv
+        file_server
+    }
     @allaisonme_com host allaisonme.com
     handle @allaisonme_com {
         root * /srv/allaisonme.com
diff --git a/build.sh b/build.sh
index 39900ca..c1d2bf4 100755
--- a/build.sh
+++ b/build.sh
@@ -45,6 +45,11 @@ for site_dir in "$SCRIPT_DIR/sites"/*/; do
 done
 echo "  -> $count sites built"
 
-# 3. Report
-echo "[3/3] Build complete"
+# 3. Copy shared assets
+echo "[3/3] Copying shared assets..."
+cp -r "$SCRIPT_DIR/shared" "$BUILD_DIR/shared"
+echo "  -> shared/ copied"
+
+# 4. Report
+echo "[4/4] Build complete"
 echo "=== Build complete: $count sites ==="
diff --git a/generate-caddyfile.sh b/generate-caddyfile.sh
old mode 100644
new mode 100755
index bd4a3c9..b0e8784
--- a/generate-caddyfile.sh
+++ b/generate-caddyfile.sh
@@ -14,6 +14,14 @@ cat <<'HEADER'
 :80 {
 HEADER
 
+cat <<'SHARED'
+    # Shared assets available on all domains under /shared/
+    handle /shared/* {
+        root * /srv
+        file_server
+    }
+SHARED
+
 for site_dir in "$SITES_DIR"/*/; do
     [ -f "$site_dir/site.yaml" ] || continue
     domain=$(basename "$site_dir")
diff --git a/shared/impressum.js b/shared/impressum.js
new file mode 100644
index 0000000..d61a15e
--- /dev/null
+++ b/shared/impressum.js
@@ -0,0 +1,45 @@
+/**
+ * Modulares Impressum für Onepager-Sites.
+ *
+ * Einbinden: <script src="/shared/impressum.js"></script>
+ *
+ * Konfiguration via data-Attribute am Script-Tag:
+ *   data-owner="msbls"          (default) — Kurzform, msbls.de Satire-Impressum
+ *   data-owner="martinsiebels"  — Volles Impressum Martin Siebels
+ *   data-style="minimal"        (default) — Einzeiler
+ *   data-style="full"           — Komplettes Impressum mit Adresse etc.
+ */
+(function () {
+  const script = document.currentScript;
+  const owner = script?.getAttribute('data-owner') || 'msbls';
+  const style = script?.getAttribute('data-style') || 'minimal';
+
+  const owners = {
+    msbls: {
+      minimal: 'Ein Projekt von <a href="https://msbls.de" target="_blank" rel="noopener">msbls.de</a>',
+      full: '<strong>Angaben gemäß § 5 TMG:</strong><br>msbls.de — Martin Siebels<br><a href="https://msbls.de/impressum" target="_blank" rel="noopener">Vollständiges Impressum</a>',
+    },
+  };
+
+  const config = owners[owner] || owners.msbls;
+  const html = config[style] || config.minimal;
+
+  // Impressum-Element erstellen
+  const el = document.createElement('div');
+  el.className = 'onepager-impressum';
+  el.innerHTML = html;
+
+  // Styling — erbt Farben vom footer/body, bleibt dezent
+  el.style.cssText = 'text-align:center;font-size:0.7rem;opacity:0.5;padding:8px 0;margin-top:4px;';
+  el.querySelector('a')?.style && Object.assign(el.querySelector('a').style, {
+    color: 'inherit', textDecoration: 'none'
+  });
+
+  // Einfügen: in <footer> falls vorhanden, sonst ans body-Ende
+  const footer = document.querySelector('footer .container, footer');
+  if (footer) {
+    footer.appendChild(el);
+  } else {
+    document.body.appendChild(el);
+  }
+})();
diff --git a/sites/kilibri.de/index.html b/sites/kilibri.de/index.html
index dd246ff..ec7ca6a 100644
--- a/sites/kilibri.de/index.html
+++ b/sites/kilibri.de/index.html
@@ -267,8 +267,9 @@
   <footer>
     <div class="container">
       <p>🐦 <span class="ki">KI</span>libri — Klein, schnell, bunt. Die <span class="ki">KI</span> für dein Nest.</p>
-      <p style="margin-top: 8px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--teal); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/kilitaer.de/index.html b/sites/kilitaer.de/index.html
index d9fe529..69a4bf7 100644
--- a/sites/kilitaer.de/index.html
+++ b/sites/kilitaer.de/index.html
@@ -288,8 +288,9 @@
   <footer>
     <div class="container">
       <p>★ <span class="ki">KI</span>litär — <span class="ki">KI</span> im Einsatz. Strategisch. Taktisch. Sinnlos. ★</p>
-      <p style="margin-top: 8px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--olive-light); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/killegal.de/index.html b/sites/killegal.de/index.html
index 43ea029..e593f42 100644
--- a/sites/killegal.de/index.html
+++ b/sites/killegal.de/index.html
@@ -296,8 +296,9 @@
   <footer>
     <div class="container">
       <p>🚧 <span class="ki">KI</span>llegal — Diese <span class="ki">KI</span> ist nicht erlaubt. Aber sie existiert trotzdem.</p>
-      <p style="margin-top: 8px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--yellow); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/killionaer.de/index.html b/sites/killionaer.de/index.html
index d421df8..6f781e0 100644
--- a/sites/killionaer.de/index.html
+++ b/sites/killionaer.de/index.html
@@ -297,8 +297,9 @@
     <div class="container">
       <p><span class="ki">KI</span>llionär — Making <span class="ki">KI</span>llions seit gestern.</p>
       <p style="margin-top: 8px;">* Alle Testimonials sind frei erfunden. Wie die meisten KI-Versprechen.</p>
-      <p style="margin-top: 4px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--gold); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/killions.de/index.html b/sites/killions.de/index.html
index c975e31..ff59b68 100644
--- a/sites/killions.de/index.html
+++ b/sites/killions.de/index.html
@@ -287,8 +287,9 @@
   <footer>
     <div class="container">
       <p><span class="ki">KI</span>llions — 1 <span class="ki">KI</span>llion = ∞ Möglichkeiten = 0 Euro</p>
-      <p style="margin-top: 8px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--accent-light); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/killuminati.de/index.html b/sites/killuminati.de/index.html
index 4667896..cb22079 100644
--- a/sites/killuminati.de/index.html
+++ b/sites/killuminati.de/index.html
@@ -287,8 +287,8 @@
   <footer>
     <div class="container">
       <p><span class="ki">KI</span>lluminati — Novus Ordo Algorithmorum</p>
-      <p style="margin-top: 8px; letter-spacing: 0.05em;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--accent-light); text-decoration: none;">martinsiebels.de</a></p>
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>
diff --git a/sites/killusion.de/index.html b/sites/killusion.de/index.html
index 173ae03..fc1ee19 100644
--- a/sites/killusion.de/index.html
+++ b/sites/killusion.de/index.html
@@ -277,8 +277,9 @@
   <footer>
     <div class="container">
       <p><span class="ki">KI</span>llusion — Nichts ist echt. Alles ist <span class="ki">KI</span>.</p>
-      <p style="margin-top: 8px;">Ein Projekt von <a href="https://martinsiebels.de" style="color: var(--pink); text-decoration: none;">martinsiebels.de</a></p>
+      
     </div>
   </footer>
+  <script src="/shared/impressum.js"></script>
 </body>
 </html>