Minimal Analytics Snippet

minimal-analytics-snippet.js

(function (context, trackingId, options) {
    const history = context.history;
    const doc = document;
    const nav = navigator || {};
    const storage = localStorage;
    const encode = encodeURIComponent;
    const pushState = history.pushState;
    const typeException = 'exception';
    const generateId = () => Math.random().toString(36);
    const getId = () => {
        if (!storage.cid) {
            storage.cid = generateId()
        }
        return storage.cid;
    };
    const serialize = (obj) => {
        var str = [];
        for (var p in obj) {
            if (obj.hasOwnProperty(p)) {
                if(obj[p] !== undefined) {
                    str.push(encode(p) + "=" + encode(obj[p]));
                }
            }
        }
        return str.join("&");
    };
    const track = (
        type, 
        eventCategory, 
        eventAction, 
        eventLabel, 
        eventValue, 
        exceptionDescription, 
        exceptionFatal
    ) => {
        const url = 'https://www.google-analytics.com/collect';
        const data = serialize({
            v: '1',
            ds: 'web',
            aip: options.anonymizeIp ? 1 : undefined,
            tid: trackingId,
            cid: getId(),
            t: type || 'pageview',
            sd: options.colorDepth && screen.colorDepth ? `${screen.colorDepth}-bits` : undefined,
            dr: doc.referrer || undefined,
            dt: doc.title,
            dl: doc.location.origin + doc.location.pathname + doc.location.search,
            ul: options.language ? (nav.language || "").toLowerCase() : undefined,
            de: options.characterSet ? doc.characterSet : undefined,
            sr: options.screenSize ? `${(context.screen || {}).width}x${(context.screen || {}).height}` : undefined,
            vp: options.screenSize && context.visualViewport ? `${(context.visualViewport || {}).width}x${(context.visualViewport || {}).height}` : undefined,
            ec: eventCategory || undefined,
            ea: eventAction || undefined,
            el: eventLabel || undefined,
            ev: eventValue || undefined,
            exd: exceptionDescription || undefined,
            exf: typeof exceptionFatal !== 'undefined' && !!exceptionFatal === false ? 0 : undefined,
        });

        if(nav.sendBeacon) {
            nav.sendBeacon(url, data)
        } else {
            var xhr = new XMLHttpRequest();
            xhr.open("POST", url, true);
            xhr.send(data);
        }
    };
    const trackEvent = (category, action, label, value) => track('event', category, action, label, value);
    const trackException = (description, fatal) => track(typeException, null, null, null, null, description, fatal);
    history.pushState = function (state) {
        if (typeof history.onpushstate == "function") {
            history.onpushstate({ state: state });
        }
        setTimeout(track, options.delay || 10);
        return pushState.apply(history, arguments);
    }
    track();
    context.ma = {
        trackEvent,
        trackException
    }
})(window, "XX-XXXXXXXXX-X", {
    anonymizeIp: true,
    colorDepth: true,
    characterSet: true,
    screenSize: true,
    language: true
});

minimal-analytics-snippet.min.js

  (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});