views/includes/header.erb
<head>
<meta charset='utf-8' />
<meta http-equiv='X-UA-Compatible' content='IE=edge' />
<meta name='viewport' content='width=device-width, initial-scale=1' />
<!-- HTML5 Shim and Respond.js IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src='https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js'></script>
<script src='https://oss.maxcdn.com/respond/1.4.2/respond.min.js'></script>
<![endif]-->
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src='https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js'></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<script src='//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/js/bootstrap.min.js'></script>
<link rel='stylesheet' href='//maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css' type='text/css' />
<link rel='icon' type='image/png' href='/assets/favicon.ico' />
<link rel='stylesheet' href='/css/styles.css' />
<script src='/js/funkdata.js'></script>
<title><%= @title %></title>
</head>