diff --git a/templates/header.html b/templates/header.html
index 6462428f..67ce7732 100644
--- a/templates/header.html
+++ b/templates/header.html
@@ -3,16 +3,20 @@
     <div class="header__top_box">
             <div class="header__logo_box">
                 <a class="header__homelink" href="{{ '/'|url }}" title="Startseite">
-                    <img class="header__logo" src="{{ '/images/wtf_logo.svg'|url }}" style="height: 7rem;">
+                    {% if '/images/wtf_logo.svg'|asseturl is defined -%}
+                        <img class="header__logo" src="{{ '/images/wtf_logo.svg'|asseturl }}" style="height: 7rem;">
+                    {%- endif %}
                 </a>
             </div>
             <nav class="header__secondary_nav">
                 <ul class="secondary_nav__navlist">
-                    <!--
+                  {% for alt in get_alts(this) %}
+                  {%- if this.alt != alt %}
                     <li class="secondary_nav__navitem">
-                        <a class="secondary_nav__navlink" href="#">EN</a>
+                        <a class="secondary_nav__navlink" href="{{ '.'|url(alt=alt) }}">{{ alt|title|upper }}</a>
                     </li>
-                    -->
+                  {% endif -%}
+                  {% endfor %}
                     <li class="secondary_nav__navitem">
                         <a class="secondary_nav__navlink" href="https://meta.vebit.xyz">Login</a>
                     </li>
diff --git a/templates/layout.html b/templates/layout.html
index ad75c709..12d1574b 100644
--- a/templates/layout.html
+++ b/templates/layout.html
@@ -1,8 +1,24 @@
 <!doctype html>
-<html lang="de">
+<html
+{%- if alt %} lang="{{ alt }}"
+{%- endif %}>
+<!--
+__        ____________________
+\ \       \_______. .________|
+ \ \           / /| |  ________
+  \ \    .    / / | |  |  ____|
+   \ \  / \  / /  | |  | |__
+    \ \/ . \/ /   | |  |  __|
+     \  / \  /    | |  | |
+      \/   \/     |_|  |_|
+       *WTF Kooperative eG*
+        Werkkooperative der
+         Technikfreundinnen
 
+-->
 <head>
-        <!--
+{#
+
                 Namensschema der CSS-Klassen nach BEM (Block Element Modifier,
                 http://getbem.com/naming/). Mit der Erweiterung, dass Modifier einzeln
                 mit Bindestrich angegeben werden. Also:
@@ -15,20 +31,32 @@
                 dazu ist:
 
                 .navlist__navitem.-active
-        -->
-        <meta charset="utf-8" />
-        <meta http-equiv="X-UA-Compatible" content="IE=edge">
-        <meta name="viewport" content="width=device-width,initial-scale=1.0">
-        <title>Werkkooperative der Technikfreundinnen eG</title>
-        <meta name="description" content="">
+-#}
+  <meta charset="utf-8" />
+  <meta http-equiv="X-UA-Compatible" content="IE=edge">
+  <meta name="viewport" content="width=device-width,initial-scale=1.0">
+  <title>Werkkooperative der Technikfreundinnen eG</title>
+  <meta name="description" content="">
 
-        <link rel="stylesheet" href="{{ '/css/reset.css'|url }}">
-        <link rel="stylesheet" href="{{ '/css/fonts.css'|url }}">
-        <link rel="stylesheet" href="{{ '/css/style.css'|url }}">
-        <link rel="apple-touch-icon" sizes="180x180" href="apple-touch-icon.png">
-        <link rel="icon" type="image/png" sizes="32x32" href="favicon-32x32.png">
-        <link rel="icon" type="image/png" sizes="16x16" href="favicon-96x96.png">
-        <link rel="manifest" href="manifest.json">
+  {% if '/css/reset.css'|asseturl is defined -%}
+    <link rel="stylesheet" href="{{ '/css/reset.css'|asseturl }}">
+  {%- endif %}
+  {% if '/css/fonts.css'|asseturl is defined -%}
+    <link rel="stylesheet" href="{{ '/css/fonts.css'|asseturl }}">
+  {%- endif %}
+  <link rel="stylesheet" href="{{ '/css/style.css'|asseturl }}">
+  {% if 'apple-touch-icon.png'|asseturl is defined -%}
+    <link rel="apple-touch-icon" sizes="180x180" href="{{ 'apple-touch-icon.png'|asseturl }}">
+  {%- endif %}
+  {% if 'favicon-32x32.png'|asseturl is defined -%}
+    <link rel="icon" type="image/png" sizes="32x32" href="{{ 'favicon-32x32.png'|asseturl }}">
+  {%- endif %}
+  {% if 'favicon-96x96.png'|asseturl is defined -%}
+    <link rel="icon" type="image/png" sizes="16x16" href="{{ 'favicon-96x96.png'|asseturl }}">
+  {%- endif %}
+  {% if 'manifest.json'|asseturl is defined -%}
+    <link rel="manifest" href="{{ 'manifest.json'|asseturl }}">
+  {%- endif %}
 </head>
 <body>
     <header>
