我使用它没有任何问题,但我没有尝试在本地机器上测量性能——它在网站上运行良好。看看其他网站很有趣,有一些东西可以与你的数字进行比较。
例如,这些对于页面大小及其资源来说是很好的数字 -
http://stackoverflow.com/questions/7606972/measuring-site-load-times-
Friday, September 30, 2011 4:03:52 AM
//
(timestamp:1317369511747)
navigationStart= 0 milliseconds elapsed
//
fetchStart= 0
domainLookupStart= 0
domainLookupEnd= 0
requestStart= 0
//
responseStart= 359
responseEnd= 359
domLoading= 359
//
unloadEventStart= 375
unloadEventEnd= 375
//
domInteractive= 515
domContentLoadedEventStart= 515
//
domContentLoadedEventEnd= 531
//
domComplete= 2496
loadEventStart= 2496
//
(timestamp:1317369514243)
loadEventEnd= 2496 milliseconds elapsed
http://www.yankeeweb.com/webshop.html
Friday, September 30, 2011 4:22:25 AM
//
(timestamp:1317370911738)
navigationStart= 0 milliseconds elapsed
//
fetchStart= 0
domainLookupStart= 0
//
domainLookupEnd= 281
connectStart= 281
//
connectEnd= 296
requestStart= 296
//
responseStart= 546
//
responseEnd= 562
domLoading= 562
//
domInteractive= 1264
domContentLoadedEventStart= 1264
domContentLoadedEventEnd= 1264
//
domComplete= 1622
loadEventStart= 1622
//
(timestamp:1317370913360)
loadEventEnd= 1622 milliseconds elapsed
您真正需要的是其他人在访问您的网站时获得的数字 - 您可以将其包含在表单问卷或邮件中(到目前为止,来自 firefox 7 和 chrome。)
// 代码在 Firefox 暂存器中运行:
(function(){
if(!window.performance || !performance.timing) return;
var timestamp, first, hstr, L,
ptA= ['navigationStart', 'unloadEventStart', 'unloadEventEnd', 'redirectStart',
'redirectEnd', 'fetchStart', 'domainLookupStart', 'domainLookupEnd', 'connectStart',
'connectEnd', 'secureConnectionStart', 'requestStart', 'responseStart', 'responseEnd',
'domLoading', 'domInteractive', 'domContentLoadedEventStart',
'domContentLoadedEventEnd', 'domComplete', 'loadEventStart',
'loadEventEnd'].map(function(itm){
timestamp= performance.timing[itm];
if(isFinite(timestamp) && timestamp!== 0){
if(!first) first= timestamp;
return [itm, timestamp, timestamp-first];
}
else return [1, NaN];
}).filter(function(itm){
return !isNaN(itm[1]);
});
ptA= ptA.sort(function(a, b){
return a[1]-b[1];
});
if(report=== 1) return ptA;
L= ptA.length-1;
ptA= ptA.map(function(itm, i){
if(i> 0 && ptA[i-1][2]!== itm[2]) itm[0]= '//\n'+itm[0];
if(i=== 0 || i=== L){
itm[0]= '//\n(timestamp:'+itm[1]+ ')\n'+itm[0];
itm[2]+= ' milliseconds elapsed \n';
}
return itm[0]+'= '+itm[2];
});
hstr= '\n'+location.href+'\n'+ new Date().toLocaleString()+'\n';
return hstr+ptA.join('\n');
})()