Any error in the server error log ?
On your website check the Javascript is executed and no error ?
Finally try see with the browser Console or Firebug, the request to Piwik, you can debug it as explained in:[developer.piwik.org]
On your website check the Javascript is executed and no error ?
Finally try see with the browser Console or Firebug, the request to Piwik, you can debug it as explained in:[developer.piwik.org]