diff --git a/_includes/home-users-grid.html b/_includes/home-users-grid.html
index 5beefba..5f9b40d 100644
--- a/_includes/home-users-grid.html
+++ b/_includes/home-users-grid.html
@@ -1,22 +1,22 @@
 <div class="home-users-grid">
   <div class="home-users-grid__item">
-    <a href="http://jekyllrb.com/" target="_blank">
-      <img src="{{ "/images/jekyll-logo.png" | prepend: site.baseurl }}" />
+    <a href="http://jekyllrb.com" target="_blank">
+      <img src="{{ '/images/jekyll-logo.png' | prepend: site.baseurl }}" alt="Jekyll logo" />
     </a>
   </div>
   <div class="home-users-grid__item">
-    <a href="http://www.desk.com/" target="_blank">
-      <img src="{{ "/images/salesforcedesk-logo.png" | prepend: site.baseurl }}" />
+    <a href="http://www.desk.com" target="_blank">
+      <img src="{{ '/images/salesforcedesk-logo.png' | prepend: site.baseurl }}" alt="Desk logo" />
     </a>
   </div>
   <div class="home-users-grid__item">
-    <a href="https://www.zendesk.com/ " target="_blank">
-      <img src="{{ "/images/zendesk-logo.png" | prepend: site.baseurl }}" />
+    <a href="//www.zendesk.com" target="_blank">
+      <img src="{{ '/images/zendesk-logo.png' | prepend: site.baseurl }}" alt="ZenDesk logo" />
     </a>
   </div>
   <div class="home-users-grid__item">
-    <a href="http://500px.com/" target="_blank">
-      <img src="{{ "/images/500px-logo.png" | prepend: site.baseurl }}" />
+    <a href="//500px.com" target="_blank">
+      <img src="{{ '/images/500px-logo.png' | prepend: site.baseurl }}" alt="500px logo" />
     </a>
   </div>
 </div>
diff --git a/_layouts/default.html b/_layouts/default.html
index a986465..d7bbd0a 100644
--- a/_layouts/default.html
+++ b/_layouts/default.html
@@ -9,11 +9,11 @@
     <meta name="description" content="{% if page.excerpt %}{{ page.excerpt | strip_html | strip_newlines | truncate: 160 }}{% else %}{{ site.description }}{% endif %}">
 
     <link rel="stylesheet" href="{{ '/css/main.css' | prepend: site.baseurl }}">
-    <link href='http://fonts.googleapis.com/css?family=Droid+Sans:400,700' rel='stylesheet' type='text/css'>
+    <link href='//fonts.googleapis.com/css?family=Droid+Sans:400,700' rel='stylesheet' type='text/css'>
     <link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css">
     <link rel="canonical" href="{{ page.url | replace:'index.html','' | prepend: site.baseurl | prepend: site.url }}">
     <link rel="alternate" type="application/rss+xml" title="{{ site.title }}" href="{{ "/feed.xml" | prepend: site.baseurl | prepend: site.url }}" />
-    <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
+    <script src="//ajax.googleapis.com/ajax/libs/jquery/2.2.0/jquery.min.js"></script>
   </head>
 
   <body>
