title: Bootstrap 3 - What does initial-scale=1.0 do?
body: <p>I often see the following on a web page using Bootstrap 3:</p>
  
  <pre><code>&lt;meta name="viewport" content="width=device-width, initial-scale=1.0"&gt;
  </code></pre>
  
  <p>What does inital-scale=1.0 do?</p>