title: how to detect whether request is coming from browser or smartphone?
body: <p>I am having a web application , which works fine .
  now there is a particular page which gets bulky when i access the application from smartphone browser , so I wanted a situation like</p>
  
  <pre><code>if(request comes from computer browser client )
  forward to bulky page in web application
  else
  if (request comes from smartphone )
  forward to some other light page .
  </code></pre>
  
  <p>please put your suggestion how can i achieve this</p>