{{- /* Basic Meta */ -}}
<meta name="author" content="{{ site.Params.author.name | default site.Title }}">
<meta name="robots" content="index, follow">

{{- /* Open Graph */ -}}
<meta property="og:title" content="{{ .Title | default site.Title }}">
<meta property="og:description" content="{{ .Description | default .Summary }}">
<meta property="og:type" content="{{ if .IsHome }}website{{ else }}article{{ end }}">
<meta property="og:url" content="{{ .Permalink }}">
<meta property="og:site_name" content="{{ site.Title }}">
{{- with site.Params.logo }}
    <meta property="og:image" content="{{ . | absURL }}">
{{- end }}
{{- if .IsPage }}
    <meta property="article:published_time" content="{{ .Date.Format "2006-01-02T15:04:05Z07:00" }}">
    {{- with .Lastmod }}    
        <meta property="article:modified_time" content="{{ .Format "2006-01-02T15:04:05Z07:00" }}">
    {{- end }}
{{- end }}

{{- /* Twitter Card */ -}}
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="{{ .Title | default site.Title }}">
<meta name="twitter:description" content="{{ .Description | default .Summary }}">
{{- with site.Params.logo }}
    <meta name="twitter:image" content="{{ . | absURL }}">
{{- end }}