最小化的 Google Analytics 程式碼

霍曉發表於2019-01-18
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一個簡單的程式碼段，用於跟蹤網站上的網頁瀏覽量，而無需新增外部庫。 也適用於使用react和vue.js等單頁應用程式。

Before

Google Tag Manager + Analytics = 73kB

After

Snippet = 1.5kB

<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`)

 

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