ソフトウェアエンジニアの技術ブログ：Software engineer tech blog

Google Analyticsは、サンディエゴWeb DepotのPaul Muretって人が作ったみたいです。

The Real Story on How Google Analytics Got Started

凄すぎる。現実が見れない。

どうしよう、これ？このレベルまでもっていかないとお話にならないんですか。。。

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b.add(“utms”,a.get(cc));
b.add(“utmn”,Ea());
var c=J.location.hostname;
F(c)||b.add(“utmhn”,c,!0);
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a.get(of)&&b.add(“utmgtm”,a.get(of),!0);
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E.Fa=function(a){a&&Ca(a)?(H(13),this.set(Hb,a,!0)):"object"===typeof a&&null!==a&&this.La(a);
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this.set(yc,c,!0);
this.set(zc,d,!0);
this.set(vc,!!e,!0);
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	E.Ga=function(a,b,c,d){if(!a||!b)return!1;
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		d&&this.set(Hb,d,!0);
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		E.Ea=function(){this.set(Dc,10);
			this.K(this.H)};
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	this.a.j("event")};
	E.ia=function(a){this.initData();
		var b=this;
		return{_trackEvent:function(c,d,e){H(91);b.F(a,c,d,e)}}};
		E.ma=function(a){return this.get(a)};
		E.xa=function(a,b){if(a)if(Ca(a))this.set(a,b);
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			E.addEventListener=function(a,b){(a=this.get(Nc)&#91;a&#93;)&&a.push(b)};
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E.qa=function(){return"5.7.1"};
E.B=function(a){this.get(hb);
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	E.ua=function(a,b){this.a.get(fb)&&a&&a.action&&(a.action=ce(this.a,a.action,b))};
E.za=function(){this.initData();
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E.sa=function(a,b){return this.m().getKey(a,b)};
E.ta=function(a,b){return this.m().N(a,b)};
E.fa=function(a){this.m().L(a)};
E.ga=function(a){this.m().M(a)};
E.ja=function(){return new yd};
E.W=function(a){a&&this.get(Ab).push(a.toLowerCase())};
E.ba=function(){this.set(Ab,&#91;&#93;)};
E.X=function(a){a&&this.get(Bb).push(a.toLowerCase())};
E.ca=function(){this.set(Bb,&#91;&#93;)};
E.Z=function(a,b,c,d,e){if(a&&b){a=&#91;a,b.toLowerCase()&#93;.join(":");
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ここらへんで、判定した配列を配列にsetしてますね。

a.responseEnd-a.responseStart,a.fetchStart-b,a.domInteractive-b,a.domContentLoadedEventStart-b]}},$e=function(){
if(W.top==W){
var a=W.external,b=a&&a.onloadT;
a&&!a.isValidLoadTime&&(b=void 0);
2147483648b.length)){for(var c=[],d=0;d

なんか出てきた。
https://www.google.com/analytics/web/inpage/pub/inpage.js

jf=/^https?:\/\/(r\.)?search\.yahoo\.com?(\.jp)?\/?[^?]*$/i,rf=/^https?:\/\/(www\.)?bing\.com\/?$/i,Nd=function(a){a=Pa(a.get(Jb),a.get(P));try{if(Td.test(a))return H(136),a+”?q=”;if(jf.test(a))return H(150),a+”?p=(not provided)”;if(rf.test(a))return a+”?q=(not provided)”}catch(b){H(145)}return a};var Ud,Vd,Wd=function(a){Ud=a.c(S,””);Vd=a.c(kc,””)},Xd=function(a){var b=a.c(S,””),c=a.c(kc,””);b!=Ud&&(-1e?b+”#”+d:b+”&”+d;
c=””;
0b.indexOf(“?”)?b+”?”+d+c:b+”&”+d+c},$d=function(a,b,c,d){for(var e=0;3>e;e++){for(var f=
0;3>f;f++){if(d==Yc(a+b+c))return H(127),[b,c];
var Be=b.replace(/ /g,”%20″),k=c.replace(/ /g,”%20″);
if(d==Yc(a+Be+k))return H(128),[Be,k];Be=Be.replace(/\+/g,”%20″);
k=k.replace(/\+/g,”%20″);
if(d==Yc(a+Be+k))return H(129),[Be,k];
try{var Ja=b.match(“utmctr=(.*?)(?:\\|utm|$)”);
if(Ja&&2==Ja.length&&(Be=b.replace(Ja[1],G(I(Ja[1]))),d==Yc(a+Be+c)))
return H(139),[Be,c]}catch(t){}b=I(b)}c=I(c)}};
var de=”|”,fe=function(a,b,c,d,e,f,Be,k,Ja){var t=ee(a,b);
t||(t={},a.get(Cb).push(t));t.id_=b;t.affiliation_=c;t.total_=d;t.tax_=e;t.shipping_=f;t.city_=Be;t.state_=k;t.country_=Ja;t.items_=t.items_||[];return t},ge=function(a,b,c,d,e,f,Be){a=ee(a,b)||fe(a,b,””,0,0,0,””,””,””);
a:{if(a&&a.items_){var k=a.items_;for(var Ja=0;Jab.length||!/^\d+$/.test(b[0])||(b[0]=””+c,Fd(a,”__utmx”,b.join(“.”),void 0))},be=function(a,b){a=$c(a.get(O),pd(“__utmx”));
“-“==a&&(a=””);
return b?G(a):a},Ye=function(a){try{var b=La(J.location.href,!1),c=decodeURIComponent(L(b.R.get(“utm_referrer”)))||””;
c&&a.set(Jb,c);
var d=decodeURIComponent(K(b.R.get(“utm_expid”)))||””;
d&&(d=d.split(“.”)[0],a.set(Oc,””+d))}catch(e){H(146)}},l=function(a){var b=W.gaData&&W.gaData.expId;b&&a.set(Oc,
“”+b)};
var ke=function(a,b){var c=Math.min(a.b(Dc,0),100);
if(a.b(Q,0)%100>=c)return!1;
c=Ze()||$e();
if(void 0==c)return!1;var d=c[0];
if(void 0==d||Infinity==d||isNaN(d))return!1;
0a[b])return!1;
return!0},le=function(a){return isNaN(a)||0>a?0:5E3>a?10*Math.floor(a/10):5E4>a?100*Math.floor(a/100):41E5>a?1E3*Math.floor(a/1E3):41E5},je=function(a){
for(var b=new yd,c=0;c

なるほど、get parameterを配列に入れて保存してるんだ。

Sd=function(a){
if(a.get(kb)&&!a.get(Mc)){var b=!F(a.get(ic))||!F(a.get(nc))||!F(a.get(S))||!F(a.get(lc));
for(var c={},d=0;d

これ、凄すぎ

(c.port||k)==(Ja[b][1]||k)&&0==c.path.indexOf(Ja[b][2])){f=!0;break a}}f=!1}f&&!ld()&&(a.Pa=Ia(c.url))}return!0}}
else a.l&&(b=b.plugins_.get(a.l)),b[a.h].apply(b,a.Xa)}}
catch(t){}};
E.Sa=function(a,b){return M.hb(a,b||””)};
E.Ta=function(a){return M.u(a)};
var yd=function(){
function a(a,b,c,d){
void 0==f[a]&&(f[a]={});
void 0==f[a][b]&&(f[a][b]=[]);
f[a][b]=d}function b(a,b,c){
if(void 0!=f[a]&&void 0!=f[a][b])return f[a][b]}
function c(a,b){
if(void 0!=f[a]&&void 0!=f[a][b]){f[a][b]=void 0;
b=!0;var c;
for(c=0;c

配列多すぎるな。。

0>=b[0]||0>=b[1]?””:b.join(“x”);
a.Wa=Be}catch(k){H(135)}qd=a}},td=function(){sd();
var a=qd,b=W.navigator;
a=b.appName+b.version+a.language+b.platform+b.userAgent+a.javaEnabled+a.jb+a.P+(J.cookie?J.cookie:””)+(J.referrer?J.referrer:””);
b=a.length;
for(var c=W.history.length;0d?(this.i=b.substring(0,d),this.l=b.substring(d+1,c),this.h=b.substring(c+1)):(this.i=b.substring(0,d),this.h=b.substring(d+1));
this.Xa=a.slice(1);
this.Ma=!this.l&&”_require”==this.h;
this.J=!this.i&&!this.l&&”_provide”==this.h}},Y=function(){T(Y.prototype,
“push”,Y.prototype.push,5);
T(Y.prototype,”_getPlugin”,Pc,121);
T(Y.prototype,”_createAsyncTracker”,Y.prototype.Sa,33);
T(Y.prototype,”_getAsyncTracker”,Y.prototype.Ta,34);
this.I=new nf;
this.eb=[]};
E=Y.prototype;
E.Na=function(a,b,c){var d=this.I.get(a);
if(!Ba(d))return!1;
b.plugins_=b.plugins_||new nf;
b.plugins_.set(a,new d(b,c||{}));
return!0};
E.push=function(a){var b=Z.Va.apply(this,arguments);
b=Z.eb.concat(b);
for(Z.eb=[];
0

やべーな、しか出てこない。

var bd=function(a,b,c){
c=c?””:a.c(O,”1″);
b=b.split(“.”);if(6!==b.length||ad(b[0],c))return!1;
c=1*b[1];
var d=1*b[2],e=1*b[3],f=1*b[4];
b=1*b[5];if(!(0<=c&&0b.length||ad(b[0],c))
return!1;b=b.slice(1).join(“.”).split(“|”);
0=b.length)
return!0;b=b[1].split(-1==b[1].indexOf(“,”)?”^”:”,”);
for(c=0;cb.length||ad(b[0],c))return a.set(ec,void 0),a.set(fc,void 0),a.set(gc,void 0),a.set(ic,void 0),a.set(jc,void 0),a.set(nc,void 0),a.set(oc,void 0),a.set(pc,void 0),a.set(qc,void 0),a.set(S,void 0),a.set(kc,void 0),a.set(lc,void 0),a.set(mc,void 0),!1;a.set(ec,1*b[1]);
a.set(fc,1*b[2]);
a.set(gc,1*b[3]);
Ve(a,b.slice(4).join(“.”));
return!0},Ve=function(a,b){function c(a){
return(a=b.match(a+”=(.*?)(?:\\|utm|$)”))&&2==a.length?a[1]:void 0}
function d(b,c){c?(c=e?I(c):c.split(“%20″).join(” “),a.set(b,c)):a.set(b,void 0)}-1==b.indexOf(“=”)&&(b=I(b));
var e=”2″==c(“utmcvr”);d(ic,c(“utmcid”));
d(jc,c(“utmccn”));
d(nc,c(“utmcsr”));
d(oc,c(“utmcmd”));
d(pc,c(“utmctr”));
d(qc,c(“utmcct”));
d(S,c(“utmgclid”));
d(kc,c(“utmgclsrc”));
d(lc,c(“utmdclid”));
d(mc,c(“utmdsid”))},ad=function(a,b){return b?a!=b:!/^\d+$/.test(a)};
var Uc=function(){this.filters=[]};
Uc.prototype.add=function(a,b){this.filters.push({name:a,s:b})};
Uc.prototype.cb=function(a){try{for(var b=0;b=100*a.get(vb)&&a.stopPropagation()}
function kd(a){ld(a.get(Wa))&&a.stopPropagation()}
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