title: What is the difference between the /urlpage and urlpage?
body: <p>I can't understand why sometimes a '/urlpage' is used over a simple 'urlpage'.</p>
  
  <p>for example on a form,</p>
  
  <pre><code>&lt;form action="TestServlet"&gt;
  
  &lt;form action="/TestServlet"&gt;
  </code></pre>
  
  <p>I want to understand what is the proper way of specifying a path to a html, servlet, jsp, jsf and etc.</p>