<script>

  (function(a,b,c){var d=a.history,e=document,f=navigator||{},g=localStorage,

  h=encodeURIComponent,i=d.pushState,k=function(){return Math.random().toString(36)},

  l=function(){return g.cid||(g.cid=k()),g.cid},m=function(r){var s=[];for(var t in r)

  r.hasOwnProperty(t)&&void 0!==r[t]&&s.push(h(t)+"="+h(r[t]));return s.join("&")},

  n=function(r,s,t,u,v,w,x){var z="https://www.google-analytics.com/collect",

  A=m({v:"1",ds:"web",aip:c.anonymizeIp?1:void 0,tid:b,cid:l(),t:r||"pageview",

  sd:c.colorDepth&&screen.colorDepth?screen.colorDepth+"-bits":void 0,dr:e.referrer||

  void 0,dt:e.title,dl:e.location.origin+e.location.pathname+e.location.search,ul:c.language?

  (f.language||"").toLowerCase():void 0,de:c.characterSet?e.characterSet:void 0,

  sr:c.screenSize?(a.screen||{}).width+"x"+(a.screen||{}).height:void 0,vp:c.screenSize&&

  a.visualViewport?(a.visualViewport||{}).width+"x"+(a.visualViewport||{}).height:void 0,

  ec:s||void 0,ea:t||void 0,el:u||void 0,ev:v||void 0,exd:w||void 0,exf:"undefined"!=typeof x&&

  !1==!!x?0:void 0});if(f.sendBeacon)f.sendBeacon(z,A);else{var y=new XMLHttpRequest;

  y.open("POST",z,!0),y.send(A)}};d.pushState=function(r){return"function"==typeof d.onpushstate&&

  d.onpushstate({state:r}),setTimeout(n,c.delay||10),i.apply(d,arguments)},n(),

  a.ma={trackEvent:function o(r,s,t,u){return n("event",r,s,t,u)},

  trackException:function q(r,s){return n("exception",null,null,null,null,r,s)}}})

  (window,"XX-XXXXXXXXX-X",{anonymizeIp:true,colorDepth:true,characterSet:true,screenSize:true,language:true});

</script>

Setup: Just put the snippet into your html, replace 'XX-XXXXXXXXX-X' with your tracking id and you're ready to go. You can also add options for what information you want to track.

Event: ma.trackEvent('Category', 'Action', 'Label', 'Value')

Exception: ma.trackException('Description', 'Fatal')