app/views/layouts/welcome.html.erb
<!DOCTYPE html>
<html>
<head lang="<%= I18n.locale %>">
<meta charset="utf-8" />
<title><%= t('welcome.title') %></title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta name="description" content="<%= t 'welcome.description'%>" />
<meta name="keywords" content="<%= t 'welcome.keywords' %>" />
<meta name="author" content="<%= t 'welcome.author' %>" />
<link rel="mask-icon" sizes="any" href="<%= asset_path 'icons/favicon.svg' %>" />
<link rel="apple-touch-icon" href="<%= asset_path 'icons/touchicon.png' %>" />
<link rel="icon" href="<%= asset_path "icons/favicon.png", skip_pipeline: true %>" />
<!--[if IE]><link rel="shortcut icon" href="<%= asset_path 'icons/favicon.ico', skip_pipeline: true %>" /><![endif]-->
<meta name="msapplication-TileColor" content="#fff" />
<meta name="msapplication-TileImage" content="<%= asset_path 'icons/tileicon.png' %>" />
<link href="https://fonts.googleapis.com/css?family=Open+Sans:300,400&subset=latin,latin-ext" rel="stylesheet" type="text/css" />
<link type="text/css" rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.css" />
<%= stylesheet_link_tag 'application', media: 'all' %>
<%= javascript_pack_tag 'application', 'data-turbolinks-track': 'reload' %>
<script type="text/javascript" src="//cdnjs.cloudflare.com/ajax/libs/cookieconsent2/3.1.0/cookieconsent.min.js"></script>
<%= csrf_meta_tags %>
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-8C6J6P0R19"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag(){dataLayer.push(arguments);}
gtag('js', new Date());
gtag('config', 'G-8C6J6P0R19');
</script>
</head>
<body>
<%= yield %>
</body>
</html>