Tags and Categories in Open Graph

layouts/partials/seo.html

@@ -18,8 +18,19 @@
   <meta property="article:published_time" content="{{ .Date.Format "2006-01-02T15:04:05Z0700" }}"/>
   <meta property="article:modified_time" content="{{ .Date.Format "2006-01-02T15:04:05Z0700" }}"/>
   <meta property="article:author" content="{{ .Site.Params.author }}">
-  <!-- <meta property="article:section" content="category"/> -->
-  <!-- <meta property="article:tag" content="tag"/> -->
+
+  {{ with .Params.Categories -}}
+  {{- range $name := . -}}
+  <meta property="article:section" content="{{ $name }}"/>
+  {{ end -}}
+  {{- end -}}
+
+  {{ with .Params.Tags -}}
+  {{- range $name := . -}}
+  <meta property="article:tag" content="{{ $name }}"/>
+  {{ end -}}
+  {{- end -}}
+
   {{ else }}
   <meta property="og:type" content="blog"/>
   <meta property="og:site_name" content="{{ .Site.Title }}"/>