diff --git a/_includes/head.html b/_includes/head.html
index 98c2e2b..b65360c 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -2,19 +2,24 @@
 <title>{% if page.title %}{{ page.title }} &#8211; {% endif %}{{ site.title }}</title>
 <meta name="description" content="{% if page.description %}{{ page.description }}{% else %}{{ site.description }}{% endif %}">
 {% if page.tags %}<meta name="keywords" content="{{ page.tags | join: ', ' }}">{% endif %}
-{% if site.owner.twitter %}<!-- Twitter Card and Open Graph tags -->
-<meta name="twitter:title" content="{% if page.title %}{{ page.title }} &#8211; {% endif %}{{ site.title }}">
+
+{% if site.owner.twitter %}<!-- Twitter Cards -->
+{% if page.image.feature %}<meta name="twitter:card" content="summary_large_image">
+<meta name="twitter:image" content="{{ site.url }}/images/{{ page.image.feature }}">
+{% else %}<meta name="twitter:card" content="summary">
+<meta name="twitter:image" content="{% if page.image.thumb %}{{ site.url }}/images/{{ page.image.thumb }}{% else %}{{ site.url }}/images/{{ site.logo }}{% endif %}">{% endif %}
+<meta name="twitter:title" content="{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}">
 <meta name="twitter:description" content="{% if page.description %}{{ page.description }}{% else %}{{ site.description }}{% endif %}">
-<meta name="twitter:creator" content="@{{ site.owner.twitter }}">
-<meta name="twitter:card" content="summary">
-<meta name="twitter:image:src" content="{% if page.image.thumb %}{{ site.url }}/images/{{ page.image.thumb }}{% else %}{{ site.url }}/images/{{ site.logo }}{% endif %}">{% endif %}
+<meta name="twitter:creator" content="@{{ site.owner.twitter }}">{% endif %}
+
+<!-- Open Graph -->
+<meta property="og:locale" content="en_US">
 <meta property="og:type" content="article">
-<meta property="og:title" content="{% if page.title %}{{ page.title }} &#8211; {% endif %}{{ site.title }}">
+<meta property="og:title" content="{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}">
 <meta property="og:description" content="{% if page.description %}{{ page.description }}{% else %}{{ site.description }}{% endif %}">
 <meta property="og:url" content="{{ site.url }}{{ page.url }}">
 <meta property="og:site_name" content="{{ site.title }}">
 
-<!-- Webmaster Tools verfication -->
 {% if site.google_verify %}<meta name="google-site-verification" content="{{ site.google_verify }}">{% endif %}
 {% if site.bing_verify %}<meta name="msvalidate.01" content="{{ site.bing_verify }}">{% endif %}