diff --git a/layouts/_default/baseof.html b/layouts/_default/baseof.html
index 4b874c1..499354a 100644
--- a/layouts/_default/baseof.html
+++ b/layouts/_default/baseof.html
@@ -7,10 +7,31 @@
         <meta charset="UTF-8" />
         <meta name="viewport" content="width=device-width, initial-scale=1.0, shrink-to-fit=no" />
         <meta http-equiv="x-ua-compatible" content="ie=edge">
+        <title>{{ if .Title }}{{ .Title }}{{ else }}{{ .Site.Title }}{{ end }}</title>
+        {{ block "opengraph" . }}
+            <meta property="og:type" content="website" />
+            {{ with .Site.LanguageCode }}
+                <meta property="og:locale" content='{{ replace . "-" "_" }}' />
+            {{ end }}
+            <meta property="og:title" content="{{ if .Title }}{{ .Title }}{{ else }}{{ .Site.Title }}{{ end }}" />
+            <meta property="og:url" content="{{ .Permalink }}" />
+            <meta property="og:site_name" content="{{ .Site.Title }}" />
+            {{ if .Params.image }}
+                <meta property="og:image" content="{{ .Params.image | absURL }}" />
+            {{ else }}
+                <meta property="og:image" content="{{ .Site.Params.logo | absURL }}" />
+            {{ end }}
+            {{ if .Params.summary }}
+                <meta property="og:description" content="{{ .Params.summary }}" />
+            {{ else if .Content }}
+                <meta property="og:description" content="{{ .Content | safeHTML | truncate 100 }}" />
+            {{ else }}
+                <meta property="og:description" content="{{ .Site.Params.Description }}" />
+            {{ end }}
+        {{ end }}
         {{- $favIcon     := .Site.Params.favIcon }}
         <link rel="icon" type="image/png" sizes="16x16" href="{{ if $favIcon.small }}{{ $favIcon.small }}{{ else }}/favIcon16x16.png{{ end }}">
         <link rel="icon" type="image/png" sizes="32x32" href="{{ if $favIcon.big }}{{ $favIcon.big }}{{ else }}/favIcon32x32.png{{ end }}">
-        <title>{{ block "title" . }}{{ .Site.Title }}{{ end }}</title>
         <link rel="stylesheet" type="text/css" href="/Font-Awesome/css/all.min.css">
         {{ $template := resources.Get "scss/index.scss" }}
         {{ if $template }}
diff --git a/layouts/partials/header.html b/layouts/partials/header.html
index 4a0dcab..8438d04 100644
--- a/layouts/partials/header.html
+++ b/layouts/partials/header.html
@@ -1,5 +1,4 @@
 {{- $header     := .Site.Params.header }}
-{{- $logo     := index $header "logo" }}
 {{- $links      := index $header "links" }}
 {{ $template := resources.Get "scss/header.scss" }}
 {{ if $template }}
@@ -14,7 +13,7 @@
 <div class="progress"></div>
 <header class="header" id="header">
     <div class="header-container">
-        <a class="home" href="{{ $logo.url }}"><img id="logo" class="logo" src="{{ $logo.image }}"></a>
+        <a class="home" href="/#"><img id="logo" class="logo" src="{{ .Site.Params.logo }}"></a>
         <div class="header-items" id="header-items">
             {{- range $links}}
             {{ if .links }}
diff --git a/layouts/posts/single.html b/layouts/posts/single.html
index dcfa532..66e6afd 100644
--- a/layouts/posts/single.html
+++ b/layouts/posts/single.html
@@ -1,3 +1,35 @@
+{{ define "opengraph" }}
+    <meta property="og:type" content="article" />
+    {{ with .Site.LanguageCode }}
+        <meta property="og:locale" content='{{ replace . "-" "_" }}' />
+    {{ end }}
+    <meta property="og:title" content="{{ if .Title }}{{ .Title }}{{ else }}{{ .Site.Title }}{{ end }}" />
+    <meta property="og:url" content="{{ .Permalink }}" />
+    <meta property="og:site_name" content="{{ .Site.Title }}" />
+    {{ if .Params.image }}
+        <meta property="og:image" content="{{ .Params.image | absURL }}" />
+    {{ else }}
+        <meta property="og:image" content="{{ .Site.Params.logo | absURL }}" />
+    {{ end }}
+    {{ if .Params.summary }}
+        <meta property="og:description" content="{{ .Params.summary }}" />
+    {{ else if .Content }}
+        <meta property="og:description" content="{{ .Content | safeHTML | truncate 100 }}" />
+    {{ else }}
+        <meta property="og:description" content="{{ .Site.Params.Description }}" />
+    {{ end }}
+    <meta property="article:published_time" content='{{.Date.Format "2006-01-02"}}' />
+    {{ with .Params.author }}
+        <meta property="article:author" content="{{ . }}" />
+    {{ end }}
+    <meta property="article:section" content="Blog" />
+    {{ with .Params.tags }}
+        {{ range . }}
+            <meta property="article:tag" content="{{ . }}" />
+        {{ end }}
+    {{ end }}
+{{ end }}
+
 {{ define "main" }}
     {{ with .Params.image }}
         <img class="coverimage" src="{{ . }}" />