https://raitalia.it/dl/analytics/webtrekk/WT_Time.js

1var wt_pageLoadTime=function(conf){
2	if(conf.mode=="page"&&conf.type=="before"&&conf.requestCounter==1){
3		this.pageLoadTime={
4		"samplingRate": "0"
5		};
6		this.sendPageLoadTime=function(){wt_plt.deactivatePixel=false;var wt_lt=wt_plt.performance.timing.loadEventStart-wt_plt.performance.timing.fetchStart;if(wt_lt>0){if(!wt_plt.customParameter){wt_plt.customParameter={};};wt_plt.customParameter[570]=""+wt_lt;};wt_plt.sendinfo();};this.performance=false;if(typeof(window.performance)!="undefined"){this.performance=window.performance;}else if(typeof(window.webkitPerformance)!="undefined"){this.performance=window.webkitPerformance;};if(this.performance&&typeof(this.performance.timing)!="undefined"){var samplingRate=(this.pageLoadTime.samplingRate)?this.pageLoadTime.samplingRate:50;if(Math&&Math.random&&parseInt(Math.random()*parseInt(samplingRate))==0){if(!this.deactivatePixel&&!this.orderId){this.deactivatePixel=true;wt_plt=this;this.registerEvent(window,"load",wt_plt.sendPageLoadTime);}}}
7	}
8};