fix page titles in metadata

Author: jwcooper

_includes/metadata.html

@@ -1,32 +1,34 @@
-<meta charset="utf-8">
-<meta http-equiv="X-UA-Compatible" content="IE=edge">
+<meta charset="utf-8" />
+<meta http-equiv="X-UA-Compatible" content="IE=edge" />
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <link rel="icon" href="{{ "/assets/images/favicon.ico" | relative_url }}" type="image/x-icon" />
 <meta name="msapplication-TileColor" content="#1a1919">
-<meta name="msapplication-TileImage" content="https://cdn-shop.adafruit.com/static/mstile-144x144.png">
+<meta name="msapplication-TileImage" content="https://cdn-shop.adafruit.com/static/mstile-144x144.png" />
 <title>{% if page.title %}{{ page.title }}{% else %}{{ site.title }}{% endif %}</title>
-<meta name="description" content="{% if page.excerpt %}{{ page.excerpt | strip_html | strip_newlines | truncate: 160 }}{% else %}{{ site.description }}{% endif %}">
+<meta name="description" content="{% if page.excerpt %}{{ page.excerpt |
+                         strip_html | strip_newlines | truncate: 160 }}{% else
+                         %}{{ site.description }}{% endif %}" />
 
 <!-- Twitter and Open Graph cards -->
-<meta name="twitter:site" content="@{{ site.twitter_username }}">
-<meta property="og:url" content="{{ page.url | absolute_url }}">
+<meta name="twitter:site" content="@{{ site.twitter_username }}" />
+<meta property="og:url" content="{{ page.url | absolute_url }}" />
 {% if page.title %}
-<meta property="og:title"   content="{{ page.title }}">
+<meta property="og:title"   content="{{ site.title | append: ' - ' | append: page.title }}" />
 {% else %}
-<meta property="og:title"   content="{{ site.title }}">
+<meta property="og:title"   content="{{ site.title }}" />
 {% endif %}
 
 {% if page.excerpt %}
-<meta property="og:description" content="{{ page.excerpt | strip_html | strip_newlines | truncate: 300 }}">
+<meta property="og:description" content="{{ page.excerpt | strip_html | strip_newlines | truncate: 300 }}" />
 {% else %}
-<meta property="og:description" content="{{ site.description }}">
+<meta property="og:description" content="{{ site.description }}" />
 {% endif %}
 
 {% if page.board_image %}
-<meta name="twitter:card"  content="summary_large_image">
-<meta property="og:image" content="{{ "/assets/images/boards/large/" | append: page.board_image | absolute_url }}">
+<meta name="twitter:card"  content="summary_large_image" />
+<meta property="og:image" content="{{ "/assets/images/boards/large/" | append: page.board_image | absolute_url }}" />
 {% else %}
-<meta name="twitter:card" content="summary"></meta>
-<meta property="og:image" content="{{ site.headline_image }}">
+<meta name="twitter:card" content="summary" />
+<meta property="og:image" content="{{ site.headline_image }}" />
 {% endif %}
 <meta property="og:type" content="website" />