title: When serving JavaScript files, is it better to use the application/javascript or application/x-javascript
body: <p>The whole question fits in the title. And to add some context: I'm not asking what is the best according to what the specs are saying, but rather what works the best given the mix of browsers deployed nowadays.</p>
  
  <p>Some data points:</p>
  
  <ul>
  <li>Google uses <code>text/javascript</code> for the JS used on their home page.</li>
  <li>Google uses <code>text/javascript</code> on Google Docs.</li>
  <li>Google uses <code>application/x-javascript</code> to serve JavaScript files with their <a href="http://code.google.com/apis/ajaxlibs/" rel="noreferrer">Ajax libraries service</a>.</li>
  <li>Yahoo uses <code>application/x-javascript</code> to serve their JS.</li>
  <li>Yahoo uses <code>application/x-javascript</code> for the JavaScript served on their home page.</li>
  </ul>