If you want to also track by logged in user put the following by Admin/Layout/Custom HTML on the Bottom of page. Just replace yoursite, with your actual site.
<!-- Piwik -->
<script type="text/javascript">
var _paq = _paq || [];
_paq.push(['trackPageView']);
_paq.push(['enableLinkTracking']);
(function() {
var u="//yoursite.com/piwik/";
_paq.push(['setTrackerUrl', u+'piwik.php']);
_paq.push(['setSiteId', 1]);
var x=document.getElementsByClassName('qam-account-handle')[0];
_paq.push(['setUserId', x.innerHTML ]);
var d=document, g=d.createElement('script'), s=d.getElementsByTagName('script')[0];
g.type='text/javascript'; g.async=true; g.defer=true; g.src=u+'piwik.js'; s.parentNode.insertBefore(g,s);
})();
</script>
<noscript><p><img src="//yoursite.com/piwik/piwik.php?idsite=1&uid=" + document.getElementsByClassName('qam-account-handle')[0].innerHTML style="border:0;" alt="" /></p></noscript>
<!-- End Piwik Code -->