diff --git a/doc.md b/doc.md
index f7a8622..18d7c4a 100644
--- a/doc.md
+++ b/doc.md
@@ -1,7 +1,7 @@
 # HTML5 Speedtest
 
 > by Federico Dossena  
-> Version 4.6.1, August 8, 2018
+> Version 4.6.2, September 21, 2018
 > [https://github.com/adolfintel/speedtest/](https://github.com/adolfintel/speedtest/)
 
 
@@ -180,8 +180,8 @@ w.postMessage('start '+JSON.stringify(params))
     * Default: `15`
     * Recommended: `>=10`
 * __count_ping__: How many pings to perform in the ping test
-    * Default: `35`
-    * Recommended: `>=20`
+    * Default: `10`
+    * Recommended: `>=3, <30`
 * __url_dl__: path to garbage.php or a large file to use for the download test.
     * Default: `garbage.php`
     * __Important:__ path is relative to js file
diff --git a/speedtest_worker.js b/speedtest_worker.js
index c68b206..35776a2 100644
--- a/speedtest_worker.js
+++ b/speedtest_worker.js
@@ -1,5 +1,5 @@
 /*
-	HTML5 Speedtest v4.6.1
+	HTML5 Speedtest v4.6.2
 	by Federico Dossena
 	https://github.com/adolfintel/speedtest/
 	GNU LGPLv3 License
@@ -28,7 +28,7 @@ var settings = {
   time_dl: 15, // duration of download test in seconds
   time_ulGraceTime: 3, //time to wait in seconds before actually measuring ul speed (wait for buffers to fill)
   time_dlGraceTime: 1.5, //time to wait in seconds before actually measuring dl speed (wait for TCP window to increase)
-  count_ping: 35, // number of pings to perform in ping test
+  count_ping: 10, // number of pings to perform in ping test
   url_dl: 'garbage.php', // path to a large file or garbage.php, used for download test. must be relative to this js file
   url_ul: 'empty.php', // path to an empty file, used for upload test. must be relative to this js file
   url_ping: 'empty.php', // path to an empty file, used for ping test. must be relative to this js file
@@ -442,8 +442,8 @@ function pingTest (done) {
 		}
         var instjitter = Math.abs(instspd - prevInstspd)
         if (i === 1) ping = instspd; /* first ping, can't tell jitter yet*/ else {
-          ping = ping * 0.9 + instspd * 0.1 // ping, weighted average
-          jitter = instjitter > jitter ? (jitter * 0.2 + instjitter * 0.8) : (jitter * 0.9 + instjitter * 0.1) // update jitter, weighted average. spikes in ping values are given more weight.
+          ping = instspd < ping ? ping : ping * 0.8 + instspd * 0.2 // update ping, weighted average. if the instant ping is lower than the current average, it is set to that value instead of averaging
+          jitter = instjitter > jitter ? (jitter * 0.3 + instjitter * 0.7) : (jitter * 0.8 + instjitter * 0.2) // update jitter, weighted average. spikes in ping values are given more weight.
         }
         prevInstspd = instspd
       }
diff --git a/speedtest_worker.min.js b/speedtest_worker.min.js
index 79ba9aa..031668e 100644
--- a/speedtest_worker.min.js
+++ b/speedtest_worker.min.js
@@ -1 +1 @@
-var testStatus=-1,dlStatus="",ulStatus="",pingStatus="",jitterStatus="",clientIp="",dlProgress=0,ulProgress=0,pingProgress=0,testId="noID",log="";function tlog(s){log+=Date.now()+": "+s+"\n"}function twarn(s){log+=Date.now()+" WARN: "+s+"\n",console.warn(s)}var settings={test_order:"IP_D_U",time_ul:15,time_dl:15,time_ulGraceTime:3,time_dlGraceTime:1.5,count_ping:35,url_dl:"garbage.php",url_ul:"empty.php",url_ping:"empty.php",url_getIp:"getIP.php",getIp_ispInfo:!0,getIp_ispInfo_distance:"km",xhr_dlMultistream:10,xhr_ulMultistream:3,xhr_multistreamDelay:300,xhr_ignoreErrors:1,xhr_dlUseBlob:!1,xhr_ul_blob_megabytes:20,garbagePhp_chunkSize:20,enable_quirks:!0,ping_allowPerformanceApi:!0,overheadCompensationFactor:1.06,useMebibits:!1,telemetry_level:0,url_telemetry:"telemetry/telemetry.php",telemetry_extra:""},xhr=null,interval=null,test_pointer=0;function url_sep(url){return url.match(/\?/)?"&":"?"}function clearRequests(){if(tlog("stopping pending XHRs"),xhr){for(var i=0;i<xhr.length;i++){try{xhr[i].onprogress=null,xhr[i].onload=null,xhr[i].onerror=null}catch(e){}try{xhr[i].upload.onprogress=null,xhr[i].upload.onload=null,xhr[i].upload.onerror=null}catch(e){}try{xhr[i].abort()}catch(e){}try{delete xhr[i]}catch(e){}}xhr=null}}this.addEventListener("message",function(e){var params=e.data.split(" ");if("status"===params[0]&&postMessage(JSON.stringify({testState:testStatus,dlStatus:dlStatus,ulStatus:ulStatus,pingStatus:pingStatus,clientIp:clientIp,jitterStatus:jitterStatus,dlProgress:dlProgress,ulProgress:ulProgress,pingProgress:pingProgress,testId:testId})),"start"===params[0]&&-1===testStatus){testStatus=0;try{var s={};try{var ss=e.data.substring(5);ss&&(s=JSON.parse(ss))}catch(e){twarn("Error parsing custom settings JSON. Please check your syntax")}for(var key in s)void 0!==settings[key]?settings[key]=s[key]:twarn("Unknown setting ignored: "+key);if(settings.enable_quirks||void 0!==s.enable_quirks&&s.enable_quirks){var ua=navigator.userAgent;/Firefox.(\d+\.\d+)/i.test(ua)&&void 0===s.xhr_ulMultistream&&(settings.xhr_ulMultistream=1),/Edge.(\d+\.\d+)/i.test(ua)&&void 0===s.xhr_dlMultistream&&(settings.xhr_dlMultistream=3),/Chrome.(\d+)/i.test(ua)&&self.fetch&&void 0===s.xhr_dlMultistream&&(settings.xhr_dlMultistream=5)}/Edge.(\d+\.\d+)/i.test(ua)&&(settings.forceIE11Workaround=!0),/Chrome.(\d+)/i.test(ua)&&/Android|iPhone|iPad|iPod|Windows Phone/i.test(ua)&&(settings.xhr_ul_blob_megabytes=4),void 0!==s.telemetry_level&&(settings.telemetry_level="basic"===s.telemetry_level?1:"full"===s.telemetry_level?2:0),settings.test_order=settings.test_order.toUpperCase()}catch(e){twarn("Possible error in custom test settings. Some settings may not be applied. Exception: "+e)}tlog(JSON.stringify(settings)),test_pointer=0;var iRun=!1,dRun=!1,uRun=!1,pRun=!1,runNextTest=function(){if(5!=testStatus)if(test_pointer>=settings.test_order.length)0<settings.telemetry_level?sendTelemetry(function(id){testStatus=4,-1!=id&&(testId=id)}):testStatus=4;else switch(settings.test_order.charAt(test_pointer)){case"I":if(test_pointer++,iRun)return void runNextTest();iRun=!0,getIp(runNextTest);break;case"D":if(test_pointer++,dRun)return void runNextTest();dRun=!0,testStatus=1,dlTest(runNextTest);break;case"U":if(test_pointer++,uRun)return void runNextTest();uRun=!0,testStatus=3,ulTest(runNextTest);break;case"P":if(test_pointer++,pRun)return void runNextTest();pRun=!0,testStatus=2,pingTest(runNextTest);break;case"_":test_pointer++,setTimeout(runNextTest,1e3);break;default:test_pointer++}};runNextTest()}"abort"===params[0]&&(tlog("manually aborted"),clearRequests(),runNextTest=null,interval&&clearInterval(interval),1<settings.telemetry_level&&sendTelemetry(function(){}),testStatus=5,jitterStatus=pingStatus=ulStatus=dlStatus="")});var ipCalled=!1,ispInfo="";function getIp(done){tlog("getIp"),ipCalled||(ipCalled=!0,(xhr=new XMLHttpRequest).onload=function(){tlog("IP: "+xhr.responseText);try{var data=JSON.parse(xhr.responseText);clientIp=data.processedString,ispInfo=data.rawIspInfo}catch(e){clientIp=xhr.responseText,ispInfo=""}done()},xhr.onerror=function(){tlog("getIp failed"),done()},xhr.open("GET",settings.url_getIp+url_sep(settings.url_getIp)+(settings.getIp_ispInfo?"isp=true"+(settings.getIp_ispInfo_distance?"&distance="+settings.getIp_ispInfo_distance+"&":"&"):"&")+"r="+Math.random(),!0),xhr.send())}var dlCalled=!1;function dlTest(done){if(tlog("dlTest"),!dlCalled){dlCalled=!0;var totLoaded=0,startT=(new Date).getTime(),graceTimeDone=!1,failed=!1;xhr=[];for(var testStream=function(i,delay){setTimeout(function(){if(1===testStatus){tlog("dl test stream started "+i+" "+delay);var prevLoaded=0,x=new XMLHttpRequest;xhr[i]=x,xhr[i].onprogress=function(event){if(tlog("dl stream progress event "+i+" "+event.loaded),1!==testStatus)try{x.abort()}catch(e){}var loadDiff=event.loaded<=0?0:event.loaded-prevLoaded;isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0||(totLoaded+=loadDiff,prevLoaded=event.loaded)}.bind(this),xhr[i].onload=function(){tlog("dl stream finished "+i);try{xhr[i].abort()}catch(e){}testStream(i,0)}.bind(this),xhr[i].onerror=function(){tlog("dl stream failed "+i),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)}.bind(this);try{settings.xhr_dlUseBlob?xhr[i].responseType="blob":xhr[i].responseType="arraybuffer"}catch(e){}xhr[i].open("GET",settings.url_dl+url_sep(settings.url_dl)+"r="+Math.random()+"&ckSize="+settings.garbagePhp_chunkSize,!0),xhr[i].send()}}.bind(this),1+delay)}.bind(this),i=0;i<settings.xhr_dlMultistream;i++)testStream(i,settings.xhr_multistreamDelay*i);interval=setInterval(function(){tlog("DL: "+dlStatus+(graceTimeDone?"":" (in grace time)"));var t=(new Date).getTime()-startT;(graceTimeDone&&(dlProgress=t/(1e3*settings.time_dl)),t<200)||(graceTimeDone?(dlStatus=(8*(totLoaded/(t/1e3))*settings.overheadCompensationFactor/(settings.useMebibits?1048576:1e6)).toFixed(2),(t/1e3>settings.time_dl&&0<dlStatus||failed)&&((failed||isNaN(dlStatus))&&(dlStatus="Fail"),clearRequests(),clearInterval(interval),dlProgress=1,tlog("dlTest finished "+dlStatus),done())):t>1e3*settings.time_dlGraceTime&&(0<totLoaded&&(startT=(new Date).getTime(),totLoaded=0),graceTimeDone=!0))}.bind(this),200)}}var ulCalled=!1;function ulTest(done){if(tlog("ulTest"),!ulCalled){ulCalled=!0;var r=new ArrayBuffer(1048576),maxInt=Math.pow(2,32)-1;try{r=new Uint32Array(r);for(var i=0;i<r.length;i++)r[i]=Math.random()*maxInt}catch(e){}var req=[],reqsmall=[];for(i=0;i<settings.xhr_ul_blob_megabytes;i++)req.push(r);req=new Blob(req),r=new ArrayBuffer(262144);try{r=new Uint32Array(r);for(i=0;i<r.length;i++)r[i]=Math.random()*maxInt}catch(e){}reqsmall.push(r),reqsmall=new Blob(reqsmall);var totLoaded=0,startT=(new Date).getTime(),graceTimeDone=!1,failed=!1;xhr=[];var testStream=function(i,delay){setTimeout(function(){if(3===testStatus){tlog("ul test stream started "+i+" "+delay);var ie11workaround,prevLoaded=0,x=new XMLHttpRequest;if(xhr[i]=x,settings.forceIE11Workaround)ie11workaround=!0;else try{xhr[i].upload.onprogress,ie11workaround=!1}catch(e){ie11workaround=!0}ie11workaround?(xhr[i].onload=function(){tlog("ul stream progress event (ie11wa)"),totLoaded+=reqsmall.size,testStream(i,0)},xhr[i].onerror=function(){tlog("ul stream failed (ie11wa)"),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)},xhr[i].open("POST",settings.url_ul+url_sep(settings.url_ul)+"r="+Math.random(),!0),xhr[i].setRequestHeader("Content-Encoding","identity"),xhr[i].send(reqsmall)):(xhr[i].upload.onprogress=function(event){if(tlog("ul stream progress event "+i+" "+event.loaded),3!==testStatus)try{x.abort()}catch(e){}var loadDiff=event.loaded<=0?0:event.loaded-prevLoaded;isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0||(totLoaded+=loadDiff,prevLoaded=event.loaded)}.bind(this),xhr[i].upload.onload=function(){tlog("ul stream finished "+i),testStream(i,0)}.bind(this),xhr[i].upload.onerror=function(){tlog("ul stream failed "+i),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)}.bind(this),xhr[i].open("POST",settings.url_ul+url_sep(settings.url_ul)+"r="+Math.random(),!0),xhr[i].setRequestHeader("Content-Encoding","identity"),xhr[i].send(req))}}.bind(this),1)}.bind(this);for(i=0;i<settings.xhr_ulMultistream;i++)testStream(i,settings.xhr_multistreamDelay*i);interval=setInterval(function(){tlog("UL: "+ulStatus+(graceTimeDone?"":" (in grace time)"));var t=(new Date).getTime()-startT;(graceTimeDone&&(ulProgress=t/(1e3*settings.time_ul)),t<200)||(graceTimeDone?(ulStatus=(8*(totLoaded/(t/1e3))*settings.overheadCompensationFactor/(settings.useMebibits?1048576:1e6)).toFixed(2),(t/1e3>settings.time_ul&&0<ulStatus||failed)&&((failed||isNaN(ulStatus))&&(ulStatus="Fail"),clearRequests(),clearInterval(interval),ulProgress=1,tlog("ulTest finished "+ulStatus),done())):t>1e3*settings.time_ulGraceTime&&(0<totLoaded&&(startT=(new Date).getTime(),totLoaded=0),graceTimeDone=!0))}.bind(this),200)}}var ptCalled=!1;function pingTest(done){if(tlog("pingTest"),!ptCalled){ptCalled=!0;var prevT=null,ping=0,jitter=0,i=0,prevInstspd=0;xhr=[];var doPing=function(){tlog("ping"),pingProgress=i/settings.count_ping,prevT=(new Date).getTime(),xhr[0]=new XMLHttpRequest,xhr[0].onload=function(){if(tlog("pong"),0===i)prevT=(new Date).getTime();else{var instspd=(new Date).getTime()-prevT;if(settings.ping_allowPerformanceApi)try{var p=performance.getEntries(),d=(p=p[p.length-1]).responseStart-p.requestStart;d<=0&&(d=p.duration),0<d&&d<instspd&&(instspd=d)}catch(e){tlog("Performance API not supported, using estimate")}var instjitter=Math.abs(instspd-prevInstspd);1===i?ping=instspd:(ping=.9*ping+.1*instspd,jitter=jitter<instjitter?.2*jitter+.8*instjitter:.9*jitter+.1*instjitter),prevInstspd=instspd}pingStatus=ping.toFixed(2),jitterStatus=jitter.toFixed(2),i++,tlog("PING: "+pingStatus+" JITTER: "+jitterStatus),i<settings.count_ping?doPing():(pingProgress=1,done())}.bind(this),xhr[0].onerror=function(){tlog("ping failed"),0===settings.xhr_ignoreErrors&&(jitterStatus=pingStatus="Fail",clearRequests(),done()),1===settings.xhr_ignoreErrors&&doPing(),2===settings.xhr_ignoreErrors&&(++i<settings.count_ping?doPing():done())}.bind(this),xhr[0].open("GET",settings.url_ping+url_sep(settings.url_ping)+"r="+Math.random(),!0),xhr[0].send()}.bind(this);doPing()}}function sendTelemetry(done){if(!(settings.telemetry_level<1)){(xhr=new XMLHttpRequest).onload=function(){try{var parts=xhr.responseText.split(" ");if("id"==parts[0])try{var id=Number(parts[1]);isNaN(id)?done(-1):done(id)}catch(e){done(-1)}else done(-1)}catch(e){done(-1)}},xhr.onerror=function(){console.log("TELEMETRY ERROR "+xhr),done(-1)},xhr.open("POST",settings.url_telemetry+url_sep(settings.url_telemetry)+"r="+Math.random(),!0);var telemetryIspInfo={processedString:clientIp,rawIspInfo:"object"==typeof ispInfo?ispInfo:""};try{var fd=new FormData;fd.append("ispinfo",JSON.stringify(telemetryIspInfo)),fd.append("dl",dlStatus),fd.append("ul",ulStatus),fd.append("ping",pingStatus),fd.append("jitter",jitterStatus),fd.append("log",1<settings.telemetry_level?log:""),fd.append("extra",settings.telemetry_extra),xhr.send(fd)}catch(ex){var postData="extra="+encodeURIComponent(settings.telemetry_extra)+"&ispinfo="+encodeURIComponent(JSON.stringify(telemetryIspInfo))+"&dl="+encodeURIComponent(dlStatus)+"&ul="+encodeURIComponent(ulStatus)+"&ping="+encodeURIComponent(pingStatus)+"&jitter="+encodeURIComponent(jitterStatus)+"&log="+encodeURIComponent(1<settings.telemetry_level?log:"");xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),xhr.send(postData)}}}
\ No newline at end of file
+var testStatus=-1,dlStatus="",ulStatus="",pingStatus="",jitterStatus="",clientIp="",dlProgress=0,ulProgress=0,pingProgress=0,testId="noID",log="";function tlog(s){log+=Date.now()+": "+s+"\n"}function twarn(s){log+=Date.now()+" WARN: "+s+"\n",console.warn(s)}var settings={test_order:"IP_D_U",time_ul:15,time_dl:15,time_ulGraceTime:3,time_dlGraceTime:1.5,count_ping:10,url_dl:"garbage.php",url_ul:"empty.php",url_ping:"empty.php",url_getIp:"getIP.php",getIp_ispInfo:!0,getIp_ispInfo_distance:"km",xhr_dlMultistream:10,xhr_ulMultistream:3,xhr_multistreamDelay:300,xhr_ignoreErrors:1,xhr_dlUseBlob:!1,xhr_ul_blob_megabytes:20,garbagePhp_chunkSize:20,enable_quirks:!0,ping_allowPerformanceApi:!0,overheadCompensationFactor:1.06,useMebibits:!1,telemetry_level:0,url_telemetry:"telemetry/telemetry.php",telemetry_extra:""},xhr=null,interval=null,test_pointer=0;function url_sep(url){return url.match(/\?/)?"&":"?"}function clearRequests(){if(tlog("stopping pending XHRs"),xhr){for(var i=0;i<xhr.length;i++){try{xhr[i].onprogress=null,xhr[i].onload=null,xhr[i].onerror=null}catch(e){}try{xhr[i].upload.onprogress=null,xhr[i].upload.onload=null,xhr[i].upload.onerror=null}catch(e){}try{xhr[i].abort()}catch(e){}try{delete xhr[i]}catch(e){}}xhr=null}}this.addEventListener("message",function(e){var params=e.data.split(" ");if("status"===params[0]&&postMessage(JSON.stringify({testState:testStatus,dlStatus:dlStatus,ulStatus:ulStatus,pingStatus:pingStatus,clientIp:clientIp,jitterStatus:jitterStatus,dlProgress:dlProgress,ulProgress:ulProgress,pingProgress:pingProgress,testId:testId})),"start"===params[0]&&-1===testStatus){testStatus=0;try{var s={};try{var ss=e.data.substring(5);ss&&(s=JSON.parse(ss))}catch(e){twarn("Error parsing custom settings JSON. Please check your syntax")}for(var key in s)void 0!==settings[key]?settings[key]=s[key]:twarn("Unknown setting ignored: "+key);if(settings.enable_quirks||void 0!==s.enable_quirks&&s.enable_quirks){var ua=navigator.userAgent;/Firefox.(\d+\.\d+)/i.test(ua)&&void 0===s.xhr_ulMultistream&&(settings.xhr_ulMultistream=1),/Edge.(\d+\.\d+)/i.test(ua)&&void 0===s.xhr_dlMultistream&&(settings.xhr_dlMultistream=3),/Chrome.(\d+)/i.test(ua)&&self.fetch&&void 0===s.xhr_dlMultistream&&(settings.xhr_dlMultistream=5)}/Edge.(\d+\.\d+)/i.test(ua)&&(settings.forceIE11Workaround=!0),/Chrome.(\d+)/i.test(ua)&&/Android|iPhone|iPad|iPod|Windows Phone/i.test(ua)&&(settings.xhr_ul_blob_megabytes=4),void 0!==s.telemetry_level&&(settings.telemetry_level="basic"===s.telemetry_level?1:"full"===s.telemetry_level?2:0),settings.test_order=settings.test_order.toUpperCase()}catch(e){twarn("Possible error in custom test settings. Some settings may not be applied. Exception: "+e)}tlog(JSON.stringify(settings)),test_pointer=0;var iRun=!1,dRun=!1,uRun=!1,pRun=!1,runNextTest=function(){if(5!=testStatus)if(test_pointer>=settings.test_order.length)0<settings.telemetry_level?sendTelemetry(function(id){testStatus=4,-1!=id&&(testId=id)}):testStatus=4;else switch(settings.test_order.charAt(test_pointer)){case"I":if(test_pointer++,iRun)return void runNextTest();iRun=!0,getIp(runNextTest);break;case"D":if(test_pointer++,dRun)return void runNextTest();dRun=!0,testStatus=1,dlTest(runNextTest);break;case"U":if(test_pointer++,uRun)return void runNextTest();uRun=!0,testStatus=3,ulTest(runNextTest);break;case"P":if(test_pointer++,pRun)return void runNextTest();pRun=!0,testStatus=2,pingTest(runNextTest);break;case"_":test_pointer++,setTimeout(runNextTest,1e3);break;default:test_pointer++}};runNextTest()}"abort"===params[0]&&(tlog("manually aborted"),clearRequests(),runNextTest=null,interval&&clearInterval(interval),1<settings.telemetry_level&&sendTelemetry(function(){}),testStatus=5,jitterStatus=pingStatus=ulStatus=dlStatus="")});var ipCalled=!1,ispInfo="";function getIp(done){tlog("getIp"),ipCalled||(ipCalled=!0,(xhr=new XMLHttpRequest).onload=function(){tlog("IP: "+xhr.responseText);try{var data=JSON.parse(xhr.responseText);clientIp=data.processedString,ispInfo=data.rawIspInfo}catch(e){clientIp=xhr.responseText,ispInfo=""}done()},xhr.onerror=function(){tlog("getIp failed"),done()},xhr.open("GET",settings.url_getIp+url_sep(settings.url_getIp)+(settings.getIp_ispInfo?"isp=true"+(settings.getIp_ispInfo_distance?"&distance="+settings.getIp_ispInfo_distance+"&":"&"):"&")+"r="+Math.random(),!0),xhr.send())}var dlCalled=!1;function dlTest(done){if(tlog("dlTest"),!dlCalled){dlCalled=!0;var totLoaded=0,startT=(new Date).getTime(),graceTimeDone=!1,failed=!1;xhr=[];for(var testStream=function(i,delay){setTimeout(function(){if(1===testStatus){tlog("dl test stream started "+i+" "+delay);var prevLoaded=0,x=new XMLHttpRequest;xhr[i]=x,xhr[i].onprogress=function(event){if(tlog("dl stream progress event "+i+" "+event.loaded),1!==testStatus)try{x.abort()}catch(e){}var loadDiff=event.loaded<=0?0:event.loaded-prevLoaded;isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0||(totLoaded+=loadDiff,prevLoaded=event.loaded)}.bind(this),xhr[i].onload=function(){tlog("dl stream finished "+i);try{xhr[i].abort()}catch(e){}testStream(i,0)}.bind(this),xhr[i].onerror=function(){tlog("dl stream failed "+i),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)}.bind(this);try{settings.xhr_dlUseBlob?xhr[i].responseType="blob":xhr[i].responseType="arraybuffer"}catch(e){}xhr[i].open("GET",settings.url_dl+url_sep(settings.url_dl)+"r="+Math.random()+"&ckSize="+settings.garbagePhp_chunkSize,!0),xhr[i].send()}}.bind(this),1+delay)}.bind(this),i=0;i<settings.xhr_dlMultistream;i++)testStream(i,settings.xhr_multistreamDelay*i);interval=setInterval(function(){tlog("DL: "+dlStatus+(graceTimeDone?"":" (in grace time)"));var t=(new Date).getTime()-startT;(graceTimeDone&&(dlProgress=t/(1e3*settings.time_dl)),t<200)||(graceTimeDone?(dlStatus=(8*(totLoaded/(t/1e3))*settings.overheadCompensationFactor/(settings.useMebibits?1048576:1e6)).toFixed(2),(t/1e3>settings.time_dl&&0<dlStatus||failed)&&((failed||isNaN(dlStatus))&&(dlStatus="Fail"),clearRequests(),clearInterval(interval),dlProgress=1,tlog("dlTest finished "+dlStatus),done())):t>1e3*settings.time_dlGraceTime&&(0<totLoaded&&(startT=(new Date).getTime(),totLoaded=0),graceTimeDone=!0))}.bind(this),200)}}var ulCalled=!1;function ulTest(done){if(tlog("ulTest"),!ulCalled){ulCalled=!0;var r=new ArrayBuffer(1048576),maxInt=Math.pow(2,32)-1;try{r=new Uint32Array(r);for(var i=0;i<r.length;i++)r[i]=Math.random()*maxInt}catch(e){}var req=[],reqsmall=[];for(i=0;i<settings.xhr_ul_blob_megabytes;i++)req.push(r);req=new Blob(req),r=new ArrayBuffer(262144);try{r=new Uint32Array(r);for(i=0;i<r.length;i++)r[i]=Math.random()*maxInt}catch(e){}reqsmall.push(r),reqsmall=new Blob(reqsmall);var totLoaded=0,startT=(new Date).getTime(),graceTimeDone=!1,failed=!1;xhr=[];var testStream=function(i,delay){setTimeout(function(){if(3===testStatus){tlog("ul test stream started "+i+" "+delay);var ie11workaround,prevLoaded=0,x=new XMLHttpRequest;if(xhr[i]=x,settings.forceIE11Workaround)ie11workaround=!0;else try{xhr[i].upload.onprogress,ie11workaround=!1}catch(e){ie11workaround=!0}ie11workaround?(xhr[i].onload=function(){tlog("ul stream progress event (ie11wa)"),totLoaded+=reqsmall.size,testStream(i,0)},xhr[i].onerror=function(){tlog("ul stream failed (ie11wa)"),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)},xhr[i].open("POST",settings.url_ul+url_sep(settings.url_ul)+"r="+Math.random(),!0),xhr[i].setRequestHeader("Content-Encoding","identity"),xhr[i].send(reqsmall)):(xhr[i].upload.onprogress=function(event){if(tlog("ul stream progress event "+i+" "+event.loaded),3!==testStatus)try{x.abort()}catch(e){}var loadDiff=event.loaded<=0?0:event.loaded-prevLoaded;isNaN(loadDiff)||!isFinite(loadDiff)||loadDiff<0||(totLoaded+=loadDiff,prevLoaded=event.loaded)}.bind(this),xhr[i].upload.onload=function(){tlog("ul stream finished "+i),testStream(i,0)}.bind(this),xhr[i].upload.onerror=function(){tlog("ul stream failed "+i),0===settings.xhr_ignoreErrors&&(failed=!0);try{xhr[i].abort()}catch(e){}delete xhr[i],1===settings.xhr_ignoreErrors&&testStream(i,0)}.bind(this),xhr[i].open("POST",settings.url_ul+url_sep(settings.url_ul)+"r="+Math.random(),!0),xhr[i].setRequestHeader("Content-Encoding","identity"),xhr[i].send(req))}}.bind(this),1)}.bind(this);for(i=0;i<settings.xhr_ulMultistream;i++)testStream(i,settings.xhr_multistreamDelay*i);interval=setInterval(function(){tlog("UL: "+ulStatus+(graceTimeDone?"":" (in grace time)"));var t=(new Date).getTime()-startT;(graceTimeDone&&(ulProgress=t/(1e3*settings.time_ul)),t<200)||(graceTimeDone?(ulStatus=(8*(totLoaded/(t/1e3))*settings.overheadCompensationFactor/(settings.useMebibits?1048576:1e6)).toFixed(2),(t/1e3>settings.time_ul&&0<ulStatus||failed)&&((failed||isNaN(ulStatus))&&(ulStatus="Fail"),clearRequests(),clearInterval(interval),ulProgress=1,tlog("ulTest finished "+ulStatus),done())):t>1e3*settings.time_ulGraceTime&&(0<totLoaded&&(startT=(new Date).getTime(),totLoaded=0),graceTimeDone=!0))}.bind(this),200)}}var ptCalled=!1;function pingTest(done){if(tlog("pingTest"),!ptCalled){ptCalled=!0;var prevT=null,ping=0,jitter=0,i=0,prevInstspd=0;xhr=[];var doPing=function(){tlog("ping"),pingProgress=i/settings.count_ping,prevT=(new Date).getTime(),xhr[0]=new XMLHttpRequest,xhr[0].onload=function(){if(tlog("pong"),0===i)prevT=(new Date).getTime();else{var instspd=(new Date).getTime()-prevT;if(settings.ping_allowPerformanceApi)try{var p=performance.getEntries(),d=(p=p[p.length-1]).responseStart-p.requestStart;d<=0&&(d=p.duration),0<d&&d<instspd&&(instspd=d)}catch(e){tlog("Performance API not supported, using estimate")}var instjitter=Math.abs(instspd-prevInstspd);1===i?ping=instspd:(ping=instspd<ping?ping:.8*ping+.2*instspd,jitter=jitter<instjitter?.3*jitter+.7*instjitter:.8*jitter+.2*instjitter),prevInstspd=instspd}pingStatus=ping.toFixed(2),jitterStatus=jitter.toFixed(2),i++,tlog("PING: "+pingStatus+" JITTER: "+jitterStatus),i<settings.count_ping?doPing():(pingProgress=1,done())}.bind(this),xhr[0].onerror=function(){tlog("ping failed"),0===settings.xhr_ignoreErrors&&(jitterStatus=pingStatus="Fail",clearRequests(),done()),1===settings.xhr_ignoreErrors&&doPing(),2===settings.xhr_ignoreErrors&&(++i<settings.count_ping?doPing():done())}.bind(this),xhr[0].open("GET",settings.url_ping+url_sep(settings.url_ping)+"r="+Math.random(),!0),xhr[0].send()}.bind(this);doPing()}}function sendTelemetry(done){if(!(settings.telemetry_level<1)){(xhr=new XMLHttpRequest).onload=function(){try{var parts=xhr.responseText.split(" ");if("id"==parts[0])try{var id=Number(parts[1]);isNaN(id)?done(-1):done(id)}catch(e){done(-1)}else done(-1)}catch(e){done(-1)}},xhr.onerror=function(){console.log("TELEMETRY ERROR "+xhr),done(-1)},xhr.open("POST",settings.url_telemetry+url_sep(settings.url_telemetry)+"r="+Math.random(),!0);var telemetryIspInfo={processedString:clientIp,rawIspInfo:"object"==typeof ispInfo?ispInfo:""};try{var fd=new FormData;fd.append("ispinfo",JSON.stringify(telemetryIspInfo)),fd.append("dl",dlStatus),fd.append("ul",ulStatus),fd.append("ping",pingStatus),fd.append("jitter",jitterStatus),fd.append("log",1<settings.telemetry_level?log:""),fd.append("extra",settings.telemetry_extra),xhr.send(fd)}catch(ex){var postData="extra="+encodeURIComponent(settings.telemetry_extra)+"&ispinfo="+encodeURIComponent(JSON.stringify(telemetryIspInfo))+"&dl="+encodeURIComponent(dlStatus)+"&ul="+encodeURIComponent(ulStatus)+"&ping="+encodeURIComponent(pingStatus)+"&jitter="+encodeURIComponent(jitterStatus)+"&log="+encodeURIComponent(1<settings.telemetry_level?log:"");xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded"),xhr.send(postData)}}}
\ No newline at end of file