GoogleAnalytics Opt Out script

gaOptOut

USAGE:
<a onclick="alert('Google Analytics wurde deaktiviert');" href="javascript:gaOptout()">Google Analytics deaktivieren</a>

The Script needs to be included in all pages.

<script type="text/javascript">
// Set to the same value as the web property used on the site
var gaProperty = 'UA-{GA_ID}-x';

// Disable tracking if the opt-out cookie exists.
var disableStr = 'ga-disable-' + gaProperty;
if (document.cookie.indexOf(disableStr + '=true') > -1) {
  window[disableStr] = true;
}

// Opt-out function
function gaOptout() {
  document.cookie = disableStr + '=true; expires=Thu, 31 Dec 2099 23:59:59 UTC; path=/';
  window[disableStr] = true;
}
</script>