diff --git a/views/index.html b/views/index.html
index d700f3f..7f67b67 100644
--- a/views/index.html
+++ b/views/index.html
@@ -1,3 +1,5 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
 <head>
   <link rel="stylesheet" href="/css/logon.css">
   <link rel="stylesheet" href="/css/global.css">
@@ -49,3 +51,5 @@
       Are you a developer that wants to work with our API? You can find the documentation &nbsp <a href="/api/documentation/">here</a>
     </footer>
 </body>
+
+</html>
diff --git a/views/login.html b/views/login.html
index a3965c7..c14c133 100644
--- a/views/login.html
+++ b/views/login.html
@@ -1,3 +1,5 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
 <head>
 <link rel="stylesheet" href="/css/logon.css">
   <script type="text/javascript">
@@ -30,3 +32,5 @@
 
     </footer>
 </body>
+
+</html>
diff --git a/views/register.html b/views/register.html
index fd1a17c..68094a6 100644
--- a/views/register.html
+++ b/views/register.html
@@ -1,3 +1,5 @@
+<!DOCTYPE html>
+<html lang="en" dir="ltr">
 <head>
   <link rel="stylesheet" href="/css/logon.css">
   <script type="text/javascript">
@@ -30,3 +32,5 @@
 
     </footer>
 </body>
+
+</html>
