According to EU Article 5(3) of the E-Privacy Directive (a.k.a \'The Cookie Laws\'), web sites that target EU users have to gain opt-in consent from users before they set a
You can disable google analytics cookies by adding this code at the top of google analytics code (before line: var _gaq = _gaq || [];):
ga('create', 'UA-XXXXXX-XX', {'storage': 'none'});
ga(function(tracker) {
var clientId = tracker.get('clientId');
});
However some features of google analytics (for example real time stats) do not work properly after this modification. More about google analytics cookies: https://developers.google.com/analytics/devguides/collection/analyticsjs/domains?hl=en#disableCookies