<head>
  <meta charset="utf-8">
  <meta name="robots" content="all,follow">
  <meta name="googlebot" content="index,follow,snippet,archive">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>{{ .Title }}</title>
  <meta name="author" content="{{ .Site.Author.name }}" />

  {{ if .Keywords }}
  <meta name="keywords" content="{{ delimit .Keywords ", " }}">
  {{ else if .Site.Params.DefaultKeywords }}
  <meta name="keywords" content="{{ delimit .Site.Params.DefaultKeywords ", " }}