diff --git a/_config.yml b/_config.yml
index 099c6c44..14964505 100644
--- a/_config.yml
+++ b/_config.yml
@@ -8,7 +8,9 @@ gems:
 permalink:        pretty
 
 # Setup
-author:           "Alexander Gude"
+author:
+    name: "Alexander Gude"
+
 title:            "Alex Gude"
 tagline:          "Data Scientist"
 description:      "The home page and blog of Alexander Gude"
diff --git a/_includes/head.html b/_includes/head.html
index 2826beeb..1ea68962 100644
--- a/_includes/head.html
+++ b/_includes/head.html
@@ -1,10 +1,8 @@
 <head>
-  <link href="http://gmpg.org/xfn/11" rel="profile">
-  <meta http-equiv="X-UA-Compatible" content="IE=edge">
   <meta charset="UTF-8">
 
   <!-- Enable responsiveness on mobile devices-->
-  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1">
+  <meta name="viewport" content="width=device-width, initial-scale=1.0">
 
   <!--Twitter card and OpenGraph-->
   {% if page.title == "Home" %}
@@ -76,8 +74,8 @@
 
   <!-- Icons -->
   <link rel="apple-touch-icon-precomposed" sizes="144x144" href="{{ site.baseurl }}/public/apple-touch-icon-144-precomposed.png">
-                                 <link rel="shortcut icon" href="{{ site.baseurl }}/public/favicon.ico">
+  <link rel="shortcut icon" href="{{ site.baseurl }}/public/favicon.ico">
 
   <!-- RSS -->
-  <link rel="alternate" type="application/rss+xml" title="RSS" href="/atom.xml">
+  <link rel="alternate" type="application/atom+xml" title="{{ site.title }}" href="{{ site.baseurl }}/atom.xml">
 </head>
diff --git a/_includes/sidebar.html b/_includes/sidebar.html
index 9ea389ef..db58017b 100644
--- a/_includes/sidebar.html
+++ b/_includes/sidebar.html
@@ -1,35 +1,33 @@
-<div class="sidebar">
+{% assign homeurl = site.baseurl | append: "/" %}
+
+<aside class="sidebar">
   <div class="container sidebar-sticky">
     <div class="sidebar-about">
       <h1>
-        <a href="{{ site.baseurl }}/">
-          {{ site.title }}
-        </a>
+        <a href="{{ homeurl }}" title="Home">{{ site.title }}</a>
       </h1>
       <p class="lead">{{ site.description }}</p>
     </div>
 
     <nav class="sidebar-nav">
-      <a class="sidebar-nav-item{% if page.url == site.baseurl %} active{% endif %}" href="{{ site.baseurl }}/">Home</a>
+      <a class="sidebar-nav-item{% if page.url == homeurl %} active{% endif %}" href="{{ homeurl }}">Home</a>
 
       {% comment %}
-        The code below dynamically generates a sidebar nav of pages with
-        `layout: page` in the front-matter. See readme for usage.
+        The code below dynamically generates a sidebar nav of pages with `layout: page` in the front-matter.
       {% endcomment %}
 
-      {% assign pages_list = site.pages %}
-      {% for node in pages_list %}
-        {% if node.title != null %}
-          {% if node.layout == "page" %}
-            {% unless node.url contains "page" %} {% comment %} Paginated Blog pages should not be included in the sidebar. {% endcomment %}
-              <a class="sidebar-nav-item{% if page.url == node.url %} active{% endif %}" href="{{site.baseurl}}{{ node.url }}">{{ node.title }}</a>
-            {% endunless %}
-          {% endif %}
+      {% for node in site.pages %}
+        {% if node.title != null and node.layout == "page" %}
+          {% unless node.url contains "page" %} {% comment %} Paginated Blog pages should not be included in the sidebar. {% endcomment %}
+            <a class="sidebar-nav-item{% if page.url == node.url %} active{% endif %}" href="{{site.baseurl}}{{ node.url }}">{{ node.title }}</a>
+          {% endunless %}
         {% endif %}
       {% endfor %}
 
     </nav>
 
-    <p>&copy; {{ site.time | date: '%Y' }}. All rights reserved.</p>
+    <small>
+      &copy; <time datetime="{{ site.time | date_to_xmlschema }}">{{ site.time | date: '%Y' }}</time>. All rights reserved.
+    </small>
   </div>
-</div>
+</aside>
diff --git a/_layouts/default.html b/_layouts/default.html
index c99f6e63..1ded3b5c 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en-us">
+<html lang="en">
 
   {% include head.html %}
 
@@ -7,9 +7,9 @@
 
     {% include sidebar.html %}
 
-    <div class="content container">
+    <main class="content container">
       {{ content }}
-    </div>
+    </main>
 
   </body>
 </html>
diff --git a/_layouts/page.html b/_layouts/page.html
index 4e0d4ebf..960f7678 100644
--- a/_layouts/page.html
+++ b/_layouts/page.html
@@ -2,7 +2,7 @@
 layout: default
 ---
 
-<div class="page">
+<article class="page">
   <h1 class="page-title">{{ page.title }}</h1>
   {{ content }}
-</div>
+</article>
diff --git a/_layouts/post.html b/_layouts/post.html
index 60371484..467885c4 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -2,28 +2,30 @@
 layout: default
 ---
 
-<div class="post">
+<article class="post">
   <h1 class="post-title">{{ page.title }}</h1>
-  <span class="post-date">{{ page.date | date: '%B %d, %Y' }}</span>
+  <time datetime="{{ page.date | date_to_xmlschema }}" class="post-date">{{ page.date | date: '%B %d, %Y' }}</time>
   {{ content }}
-</div>
+</article>
 
-<!-- Related Posts -->
-<div class="related">
-  <h2>Related Posts</h2>
-  <ul class="related-posts">
-    {% for post in site.related_posts limit:3 %}
-      <li>
-        <h3>
-          <a href="{{ post.url }}">
-            {{ post.title }}
-            <small>{{ post.date | date: '%B %d, %Y' }}</small>
-          </a>
-        </h3>
-      </li>
-    {% endfor %}
-  </ul>
-</div>
+{% if site.related_posts != empty %}
+  <!-- Related Posts -->
+  <aside class="related">
+    <h2>Related Posts</h2>
+    <ul class="related-posts">
+      {% for post in site.related_posts limit:3 %}
+        <li>
+          <h3>
+            <a href="{{ site.baseurl }}{{ post.url }}">
+              {{ post.title }}
+              <small><time datetime="{{ post.date | date_to_xmlschema }}">{{ post.date | date: '%B %d, %Y' }}</time></small>
+            </a>
+          </h3>
+        </li>
+      {% endfor %}
+    </ul>
+  </aside>
+{% endif %}
 
 <!-- Share Buttons -->
 {% include share.html %}
diff --git a/atom.xml b/atom.xml
index 96c9681c..21026db7 100644
--- a/atom.xml
+++ b/atom.xml
@@ -6,19 +6,18 @@ layout: null
 <feed xmlns="http://www.w3.org/2005/Atom">
 
  <title>{{ site.title }}</title>
- <link href="{{ site.url }}/atom.xml" rel="self"/>
- <link href="{{ site.url }}/"/>
+ <link href="{{ site.url }}{{ site.baseurl }}/atom.xml" rel="self"/>
+ <link href="{{ site.url }}{{ site.baseurl }}/"/>
  <updated>{{ site.time | date_to_xmlschema }}</updated>
  <id>{{ site.url }}</id>
  <author>
    <name>{{ site.author.name }}</name>
-   <email>{{ site.author.email }}</email>
  </author>
 
  {% for post in site.posts %}
  <entry>
-   <title>{{ post.title }}</title>
-   <link href="{{ site.url }}{{ post.url }}"/>
+   <title>{{ post.title | xml_escape }}</title>
+   <link href="{{ site.url }}{{ site.baseurl }}{{ post.url }}"/>
    <updated>{{ post.date | date_to_xmlschema }}</updated>
    <id>{{ site.url }}{{ post.id }}</id>
    <content type="html">{{ post.content | xml_escape }}</content>
diff --git a/blog/index.html b/blog/index.html
index 95e8517a..c166d100 100644
--- a/blog/index.html
+++ b/blog/index.html
@@ -5,30 +5,28 @@
 
 <div class="posts">
   {% for post in paginator.posts %}
-  <div class="post">
-    <h1 class="post-title">
-      <a href="{{ post.url }}">
-        {{ post.title }}
-      </a>
-    </h1>
+    <article class="post">
+      <h1 class="post-title">
+        <a href="{{site.baseurl}}{{ post.url }}">
+          {{ post.title }}
+        </a>
+      </h1>
 
-    <span class="post-date">{{ post.date | date: '%B %d, %Y' }}</span>
+      <time datetime="{{ post.date | date_to_xmlschema }}" class="post-date">{{ post.date | date: '%B %d, %Y' }}</time>
 
-    {{ post.content }}
-  </div>
+      {{ post.content }}
+    </article>
   {% endfor %}
 </div>
 
 <div class="pagination">
   {% if paginator.next_page %}
-    <a class="pagination-item older" href="{{ paginator.next_page_path }}">Older</a>
+    <a class="pagination-item older" href="{{ paginator.next_page_path | prepend: site.baseurl }}">Older</a>
   {% else %}
     <span class="pagination-item older">Older</span>
   {% endif %}
   {% if paginator.previous_page %}
-    {% if paginator.page == 2 %}
-      <a class="pagination-item newer" href="{{ paginator.previous_page_path }}">Newer</a>
-    {% endif %}
+    <a class="pagination-item newer" href="{{ paginator.previous_page_path | prepend: site.baseurl }}">Newer</a>
   {% else %}
     <span class="pagination-item newer">Newer</span>
   {% endif %}
