diff --git a/src/MD_STD.php b/src/MD_STD.php
index 736fdbe..4969b3e 100644
--- a/src/MD_STD.php
+++ b/src/MD_STD.php
@@ -465,6 +465,23 @@ final class MD_STD {
 
     }
 
+    /**
+     * Returns expected user language without making use of a cookie..
+     *
+     * @param non-empty-array<non-empty-string> $allowed_langs Allowed languages.
+     * @param non-empty-string                  $default_lang  Default language.
+     *
+     * @return non-empty-string
+     */
+    public static function get_user_lang_no_cookie(array $allowed_langs, string $default_lang):string {
+
+        if (isset($_GET['navlang']) and in_array($_GET['navlang'], $allowed_langs, true)) {
+            return $_GET['navlang'];
+        }
+        return $lang = self::lang_getfrombrowser($allowed_langs, $default_lang, "", false);
+
+    }
+
     /**
      * Function lang_getfrombrowser gets the browser language based on HTTP headers.
      *
@@ -474,7 +491,7 @@ final class MD_STD {
      * @param string                            $lang_variable     Currently set language variable. Optional.
      * @param boolean                           $strict_mode       Whether to demand "de-de" (true) or "de" (false) Optional.
      *
-     * @return string
+     * @return non-empty-string
      */
     public static function lang_getfrombrowser(array $allowed_languages, string $default_language, string $lang_variable = "", bool $strict_mode = true):string {