diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index ff06ff3..7f6334e 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -6,6 +6,7 @@
 {{ block "meta" . }}{{ end }}
 {{- partial "meta.html" . -}}
 {{- partialCached "meta_cache.html" . -}}
+{{ block "header" . }}{{ end }}
 {{ if and .Site.Params.piwikTrackerUrl .Site.Params.piwikSiteID }}{{ partialCached "piwik.html" . }}{{ end -}}
 </head>
 
diff --git a/layouts/_default/single.html b/layouts/_default/single.html
index 2dc03a5..7bc2a80 100644
--- a/layouts/_default/single.html
+++ b/layouts/_default/single.html
@@ -2,6 +2,10 @@
 {{- partial "single_meta.html" . -}}
 {{ end }}
 
+{{ define "header" }}
+{{- partial "single_json_ld.html" . -}}
+{{ end }}
+
 {{ define "main" -}}
 <main class="main layout__main" role="main">
 <h1 class="title {{ if $.Param "submitted" | default false }}title-submitted{{ end }}">{{ .Title }}</h1>
diff --git a/layouts/partials/menu.html b/layouts/partials/menu.html
index 5c055b3..723f586 100644
--- a/layouts/partials/menu.html
+++ b/layouts/partials/menu.html
@@ -14,4 +14,3 @@
 {{ end -}}
 </ul>
 </nav>
-
diff --git a/layouts/partials/single_json_ld.html b/layouts/partials/single_json_ld.html
new file mode 100755
index 0000000..ec36db6
--- /dev/null
+++ b/layouts/partials/single_json_ld.html
@@ -0,0 +1,29 @@
+<script type="application/ld+json">
+  {
+    "@context": "https://schema.org",
+    "@type": "BlogPosting",
+    "headline": {{ .Title | jsonify }},
+    "datePublished": "{{ .Date.Format "2006-01-02T15:04:05Z07:00" | safeHTML }}",
+    "dateModified": "{{ .Lastmod.Format "2006-01-02T15:04:05Z07:00" | safeHTML }}",
+    "url" : "{{ .Permalink }}",
+    "description": {{ with (replaceRE "\n" "" (.Description | default .Summary))  }}{{ . | jsonify }}{{ end }},
+    {{ with .Params.tags -}}
+    "keywords": {{ . | jsonify }},
+    {{ end -}}
+    {{ with $.Param "author" -}}
+    "author": {
+      "@type": "Person",
+      "name": "{{ . }}"
+    },
+    {{ end -}}
+    "mainEntityOfPage": {
+      "@type": "WebPage",
+      "@id": "{{ .Site.BaseURL }}"
+    },
+    "publisher": {
+      "@type": "Organization",
+      "name": "{{ .Site.Title }}",
+      "url": "{{ .Site.BaseURL }}",
+    }
+  }
+</script>
diff --git a/layouts/partials/single_meta.html b/layouts/partials/single_meta.html
index 0e8392a..017c1fe 100644
--- a/layouts/partials/single_meta.html
+++ b/layouts/partials/single_meta.html
@@ -1,3 +1,4 @@
 <meta name="description" content="{{ replaceRE "\n" "" (.Description | default .Summary) }}">
 <meta name="created" content="{{ .Date.Format "2006-01-02T15:04:05-0700" }}">
+<meta name="modified" content="{{ .Lastmod.Format "2006-01-02T15:04:05-0700" }}">
 {{ with $.Param "author" }}<meta name="author" content="{{ . }}">{{ end }}