diff --git a/index.html b/index.html
index 6e5e2ef..b0b7990 100644
--- a/index.html
+++ b/index.html
@@ -8,8 +8,8 @@
 
     <meta property="og:title" content="clipboard.js">
     <meta property="og:description" content="A modern approach to copy text to clipboard. No Flash. No dependencies. Just 2kb">
-    <meta property="og:url" content="http://zenorocha.github.io/clipboard.js/">
-    <meta property="og:image" content="http://zenorocha.github.io/clipboard.js/assets/images/facebook.png">
+    <meta property="og:url" content="https://zenorocha.github.io/clipboard.js/">
+    <meta property="og:image" content="https://zenorocha.github.io/clipboard.js/assets/images/facebook.png">
 
     <link rel="icon" href="favicon.ico" type="image/x-icon">
     <link rel="stylesheet" href="bower_components/primer-css/css/primer.css">
@@ -23,9 +23,9 @@
         <h2 class="subtitle">A modern approach to copy text to clipboard</h2>
         <h2 class="subtitle">No Flash. No dependencies. Just 2kb</h2>
         <p class="gh-btns">
-            <iframe src="http://ghbtns.com/github-btn.html?user=zenorocha&amp;repo=clipboard.js&amp;type=watch&amp;count=true&amp;size=large"
+            <iframe src="https://ghbtns.com/github-btn.html?user=zenorocha&amp;repo=clipboard.js&amp;type=watch&amp;count=true&amp;size=large"
 allowtransparency="true" frameborder="0" scrolling="0" width="152" height="30"></iframe>
-            <iframe src="http://ghbtns.com/github-btn.html?user=zenorocha&amp;repo=clipboard.js&amp;type=fork&amp;count=true&amp;size=large"
+            <iframe src="https://ghbtns.com/github-btn.html?user=zenorocha&amp;repo=clipboard.js&amp;type=fork&amp;count=true&amp;size=large"
 allowtransparency="true" frameborder="0" scrolling="0" width="156" height="30"></iframe>
         </p>
     </header>
@@ -61,7 +61,7 @@ allowtransparency="true" frameborder="0" scrolling="0" width="156" height="30"><
 
         <p>Internally, we need to fetch all elements that matches with your selector and attach event listeners for each one. But guess what? If you have hundreds of matches, this operation can consume a lot of memory.</p>
 
-        <p>For this reason we use <a href="http://stackoverflow.com/questions/1687296/what-is-dom-event-delegation">event delegation</a> which replaces multiple event listeners with just a single listener. After all, <a href="https://twitter.com/hashtag/perfmatters">#perfmatters</a>.</p>
+        <p>For this reason we use <a href="https://stackoverflow.com/questions/1687296/what-is-dom-event-delegation">event delegation</a> which replaces multiple event listeners with just a single listener. After all, <a href="https://twitter.com/hashtag/perfmatters">#perfmatters</a>.</p>
 
         <h1 id="usage">Usage</h1>
 
@@ -223,7 +223,7 @@ clipboard.on('error', function(e) {
     (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
     (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
     m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
-    })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
+    })(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
 
     ga('create', 'UA-4114546-44', 'auto');
     ga('send', 'pageview');