ZEIT Now single page app 404 file
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>404 Not Found | My App</title>
</head>
<body>
<script>
(function redirect() {
if (document && document.location) {
document.location.replace(`/?redirect=${encodeURIComponent(document.location.pathname)}`);
}
}());
</script>
</body>
</html>