diff --git a/_config.yml b/_config.yml
index f7651bfb..59ea3183 100644
--- a/_config.yml
+++ b/_config.yml
@@ -1,7 +1,7 @@
 title:            Site Title
 description:      Describe your website.
 # Your site's domain goes here. Leave localhost server or blank when working locally.
-url:              #http://localhost:4000
+url:              http://localhost:4000
 
 # Owner/author information
 owner:
diff --git a/_includes/_author-bio.html b/_includes/_author-bio.html
index ffbb8c9b..3378a352 100644
--- a/_includes/_author-bio.html
+++ b/_includes/_author-bio.html
@@ -1,4 +1,10 @@
-<img src="{{ site.url }}/images/{{ site.owner.avatar }}" class="bio-photo" alt="{{ site.owner.name }} bio photo"></a>
+{% if site.owner.avatar contains 'http://' %}
+	<img src="{{ site.owner.avatar }}" class="bio-photo" alt="{{ site.owner.name }} bio photo"></a>
+{% elsif site.owner.avatar contains 'https://' %}
+	<img src="{{ site.owner.avatar }}" class="bio-photo" alt="{{ site.owner.name }} bio photo"></a>
+{% else %}
+	<img src="{{ site.url }}/images/{{ site.owner.avatar }}" class="bio-photo" alt="{{ site.owner.name }} bio photo"></a>
+{% endif %}
 <h3>{{ site.owner.name }}</h3>
 <p>{{ site.owner.bio }}</p>
 {% if site.owner.twitter %}<a href="http://twitter.com/{{ site.owner.twitter }}" class="author-social" target="_blank"><i class="icon-twitter"></i> Twitter</a>{% endif %}
diff --git a/_includes/_head.html b/_includes/_head.html
index 22362d4d..54fd8cc6 100644
--- a/_includes/_head.html
+++ b/_includes/_head.html
@@ -3,20 +3,43 @@
 <meta name="description" content="{{ page.description }}">
 <meta name="keywords" content="{{ page.tags | join: ', ' }}">
 {% if site.owner.twitter %}<!-- Twitter Cards -->
-{% if page.image.feature %}<meta name="twitter:card" content="summary_large_image">
-<meta name="twitter:image" content=
-	{% if page.image.feature contains 'http://' %}
-		"{{ page.image.feature }}"
-	{% elsif page.image.feature contains 'https://' %}
-		"{{ page.image.feature }}"
+	{% if page.image.feature %}
+		<meta name="twitter:card" content="summary_large_image">
+		<meta name="twitter:image" content=
+			{% if page.image.feature contains 'http://' %}
+				"{{ page.image.feature }}"
+			{% elsif page.image.feature contains 'https://' %}
+				"{{ page.image.feature }}"
+			{% else %}
+				"{{ site.url }}/images/{{ page.image.feature }}"
+			{% endif %}
+		>
 	{% else %}
-		"{{ site.url }}/images/{{ page.image.feature }}">
+		<meta name="twitter:card" content="summary">
+		<meta name="twitter:image" content=
+			{% if page.image.thumb %}
+				{% if page.image.thumb contains 'http://' %}
+						"{{ page.image.thumb }}"
+				{% elsif page.image.thumb contains 'https://' %}
+					"{{ page.image.thumb }}"
+				{% else %}
+						"{{ site.url }}/images/{{ page.image.thumb }}"
+				{% endif %}
+			{% else %}
+				{% if site.logo contains 'http://' %}
+						"{{ site.logo }}"
+				{% elsif site.logo contains 'https://' %}
+					"{{ site.logo }}"
+				{% else %}
+						"{{ site.url }}/images/{{ site.logo }}"
+				{% endif %}
+			{% endif %}
+		>
 	{% endif %}
-{% 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 }}">{% 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 }}">
+{% endif %}
 
 <!-- Open Graph -->
 <meta property="og:locale" content="en_US">