/* HTML5 Speedtest v4.6.2 by Federico Dossena https://github.com/adolfintel/speedtest/ GNU LGPLv3 License */ // data reported to main thread var testStatus = -1 // -1=not started, 0=starting, 1=download test, 2=ping+jitter test, 3=upload test, 4=finished, 5=abort/error var dlStatus = '' // download speed in megabit/s with 2 decimal digits var ulStatus = '' // upload speed in megabit/s with 2 decimal digits var pingStatus = '' // ping in milliseconds with 2 decimal digits var jitterStatus = '' // jitter in milliseconds with 2 decimal digits var clientIp = '' // client's IP address as reported by getIP.php var dlProgress = 0 //progress of download test 0-1 var ulProgress = 0 //progress of upload test 0-1 var pingProgress = 0 //progress of ping+jitter test 0-1 var testId = 'noID' //test ID (sent back by telemetry if used, the string 'noID' otherwise) var log='' //telemetry log function tlog(s){log+=Date.now()+': '+s+'\n'} function twarn(s){log+=Date.now()+' WARN: '+s+'\n'; console.warn(s)} // test settings. can be overridden by sending specific values with the start command var settings = { test_order: "IP_D_U", //order in which tests will be performed as a string. D=Download, U=Upload, P=Ping+Jitter, I=IP, _=1 second delay time_ul: 15, // duration of upload test in seconds 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: 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 url_getIp: 'getIP.php', // path to getIP.php relative to this js file, or a similar thing that outputs the client's ip getIp_ispInfo: true, //if set to true, the server will include ISP info with the IP address getIp_ispInfo_distance: 'km', //km or mi=estimate distance from server in km/mi; set to false to disable distance estimation. getIp_ispInfo must be enabled in order for this to work xhr_dlMultistream: 10, // number of download streams to use (can be different if enable_quirks is active) xhr_ulMultistream: 3, // number of upload streams to use (can be different if enable_quirks is active) xhr_multistreamDelay: 300, //how much concurrent requests should be delayed xhr_ignoreErrors: 1, // 0=fail on errors, 1=attempt to restart a stream if it fails, 2=ignore all errors xhr_dlUseBlob: false, // if set to true, it reduces ram usage but uses the hard drive (useful with large garbagePhp_chunkSize and/or high xhr_dlMultistream) xhr_ul_blob_megabytes: 20, //size in megabytes of the upload blobs sent in the upload test (forced to 4 on chrome mobile) garbagePhp_chunkSize: 20, // size of chunks sent by garbage.php (can be different if enable_quirks is active) enable_quirks: true, // enable quirks for specific browsers. currently it overrides settings to optimize for specific browsers, unless they are already being overridden with the start command ping_allowPerformanceApi: true, // if enabled, the ping test will attempt to calculate the ping more precisely using the Performance API. Currently works perfectly in Chrome, badly in Edge, and not at all in Firefox. If Performance API is not supported or the result is obviously wrong, a fallback is provided. overheadCompensationFactor: 1.06, //can be changed to compensatie for transport overhead. (see doc.md for some other values) useMebibits: false, //if set to true, speed will be reported in mebibits/s instead of megabits/s telemetry_level: 0, // 0=disabled, 1=basic (results only), 2=full (results+log) url_telemetry: 'telemetry/telemetry.php', // path to the script that adds telemetry data to the database telemetry_extra: '' //extra data that can be passed to the telemetry through the settings } var xhr = null // array of currently active xhr requests var interval = null // timer used in tests var test_pointer = 0 //pointer to the next test to run inside settings.test_order /* this function is used on URLs passed in the settings to determine whether we need a ? or an & as a separator */ function url_sep (url) { return url.match(/\?/) ? '&' : '?'; } /* listener for commands from main thread to this worker. commands: -status: returns the current status as a JSON string containing testStatus, dlStatus, ulStatus, pingStatus, clientIp, jitterStatus, dlProgress, ulProgress, pingProgress -abort: aborts the current test -start: starts the test. optionally, settings can be passed as JSON. example: start {"time_ul":"10", "time_dl":"10", "count_ping":"50"} */ this.addEventListener('message', function (e) { var params = e.data.split(' ') if (params[0] === 'status') { // return status postMessage(JSON.stringify({ testState:testStatus, dlStatus:dlStatus, ulStatus:ulStatus, pingStatus:pingStatus, clientIp:clientIp, jitterStatus:jitterStatus, dlProgress:dlProgress, ulProgress:ulProgress, pingProgress:pingProgress, testId:testId })) } if (params[0] === 'start' && testStatus === -1) { // start new test testStatus = 0 try { // parse settings, if present var s = {} try{ var ss = e.data.substring(5) if (ss) s = JSON.parse(ss) }catch(e){ twarn('Error parsing custom settings JSON. Please check your syntax') } //copy custom settings for(var key in s){ if(typeof settings[key] !== 'undefined') settings[key]=s[key]; else twarn("Unknown setting ignored: "+key); } // quirks for specific browsers. apply only if not overridden. more may be added in future releases if (settings.enable_quirks||(typeof s.enable_quirks !== 'undefined' && s.enable_quirks)) { var ua = navigator.userAgent if (/Firefox.(\d+\.\d+)/i.test(ua)) { if(typeof s.xhr_ulMultistream === 'undefined'){ // ff more precise with 1 upload stream settings.xhr_ulMultistream = 1 } } if (/Edge.(\d+\.\d+)/i.test(ua)) { if(typeof s.xhr_dlMultistream === 'undefined'){ // edge more precise with 3 download streams settings.xhr_dlMultistream = 3 } } if (/Chrome.(\d+)/i.test(ua) && (!!self.fetch)) { if(typeof s.xhr_dlMultistream === 'undefined'){ // chrome more precise with 5 streams settings.xhr_dlMultistream = 5 } } } if (/Edge.(\d+\.\d+)/i.test(ua)) { //Edge 15 introduced a bug that causes onprogress events to not get fired, we have to use the "small chunks" workaround that reduces accuracy settings.forceIE11Workaround = true } if (/Chrome.(\d+)/i.test(ua)&&/Android|iPhone|iPad|iPod|Windows Phone/i.test(ua)){ //cheap af //Chrome mobile introduced a limitation somewhere around version 65, we have to limit XHR upload size to 4 megabytes settings.xhr_ul_blob_megabytes=4; } //telemetry_level has to be parsed and not just copied if(typeof s.telemetry_level !== 'undefined') settings.telemetry_level = s.telemetry_level === 'basic' ? 1 : s.telemetry_level === 'full' ? 2 : 0; // telemetry level //transform test_order to uppercase, just in case settings.test_order=settings.test_order.toUpperCase(); } catch (e) { twarn('Possible error in custom test settings. Some settings may not be applied. Exception: '+e) } // run the tests tlog(JSON.stringify(settings)) test_pointer=0; var iRun=false,dRun=false,uRun=false,pRun=false; var runNextTest=function(){ if(testStatus==5) return; if(test_pointer>=settings.test_order.length){ //test is finished if(settings.telemetry_level>0) sendTelemetry(function(id){testStatus=4; if(id!=-1)testId=id}) else testStatus=4 return; } switch(settings.test_order.charAt(test_pointer)){ case 'I':{test_pointer++; if(iRun) {runNextTest(); return;} else iRun=true; getIp(runNextTest);} break; case 'D':{test_pointer++; if(dRun) {runNextTest(); return;} else dRun=true; testStatus=1; dlTest(runNextTest);} break; case 'U':{test_pointer++; if(uRun) {runNextTest(); return;} else uRun=true; testStatus=3; ulTest(runNextTest);} break; case 'P':{test_pointer++; if(pRun) {runNextTest(); return;} else pRun=true; testStatus=2; pingTest(runNextTest);} break; case '_':{test_pointer++; setTimeout(runNextTest,1000);} break; default: test_pointer++; } } runNextTest() } if (params[0] === 'abort') { // abort command tlog('manually aborted') clearRequests() // stop all xhr activity runNextTest=null; if (interval) clearInterval(interval) // clear timer if present if (settings.telemetry_level > 1) sendTelemetry(function(){}) testStatus = 5; dlStatus = ''; ulStatus = ''; pingStatus = ''; jitterStatus = '' // set test as aborted } }) // stops all XHR activity, aggressively function clearRequests () { tlog('stopping pending XHRs') if (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 } } // gets client's IP using url_getIp, then calls the done function var ipCalled = false // used to prevent multiple accidental calls to getIp var ispInfo=""; //used for telemetry function getIp (done) { tlog('getIp') if (ipCalled) return; else ipCalled = true // getIp already called? xhr = new XMLHttpRequest() xhr.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(), true) xhr.send() } // download test, calls done function when it's over var dlCalled = false // used to prevent multiple accidental calls to dlTest function dlTest (done) { tlog('dlTest') if (dlCalled) return; else dlCalled = true // dlTest already called? var totLoaded = 0.0, // total number of loaded bytes startT = new Date().getTime(), // timestamp when test was started graceTimeDone = false, //set to true after the grace time is past failed = false // set to true if a stream fails xhr = [] // function to create a download stream. streams are slightly delayed so that they will not end at the same time var testStream = function (i, delay) { setTimeout(function () { if (testStatus !== 1) return // delayed stream ended up starting after the end of the download test tlog('dl test stream started '+i+' '+delay) var prevLoaded = 0 // number of bytes loaded last time onprogress was called var x = new XMLHttpRequest() xhr[i] = x xhr[i].onprogress = function (event) { tlog('dl stream progress event '+i+' '+event.loaded) if (testStatus !== 1) { try { x.abort() } catch (e) { } } // just in case this XHR is still running after the download test // progress event, add number of new loaded bytes to totLoaded var loadDiff = event.loaded <= 0 ? 0 : (event.loaded - prevLoaded) if (isNaN(loadDiff) || !isFinite(loadDiff) || loadDiff < 0) return // just in case totLoaded += loadDiff prevLoaded = event.loaded }.bind(this) xhr[i].onload = function () { // the large file has been loaded entirely, start again tlog('dl stream finished '+i) try { xhr[i].abort() } catch (e) { } // reset the stream data to empty ram testStream(i, 0) }.bind(this) xhr[i].onerror = function () { // error tlog('dl stream failed '+i) if (settings.xhr_ignoreErrors === 0) failed=true //abort try { xhr[i].abort() } catch (e) { } delete (xhr[i]) if (settings.xhr_ignoreErrors === 1) testStream(i, 0) //restart stream }.bind(this) // send xhr try { if (settings.xhr_dlUseBlob) xhr[i].responseType = 'blob'; else 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, true) // random string to prevent caching xhr[i].send() }.bind(this), 1 + delay) }.bind(this) // open streams for (var i = 0; i < settings.xhr_dlMultistream; i++) { testStream(i, settings.xhr_multistreamDelay * i) } // every 200ms, update dlStatus interval = setInterval(function () { tlog('DL: '+dlStatus+(graceTimeDone?'':' (in grace time)')) var t = new Date().getTime() - startT if (graceTimeDone) dlProgress = t / (settings.time_dl * 1000) if (t < 200) return if (!graceTimeDone){ if (t > 1000 * settings.time_dlGraceTime){ if (totLoaded > 0){ // if the connection is so slow that we didn't get a single chunk yet, do not reset startT = new Date().getTime() totLoaded = 0.0; } graceTimeDone = true; } }else{ var speed = totLoaded / (t / 1000.0) dlStatus = ((speed * 8 * settings.overheadCompensationFactor)/(settings.useMebibits?1048576:1000000)).toFixed(2) // speed is multiplied by 8 to go from bytes to bits, overhead compensation is applied, then everything is divided by 1048576 or 1000000 to go to megabits/mebibits if (((t / 1000.0) > settings.time_dl && dlStatus > 0) || failed) { // test is over, stop streams and timer if (failed || isNaN(dlStatus)) dlStatus = 'Fail' clearRequests() clearInterval(interval) dlProgress = 1 tlog('dlTest finished '+dlStatus) done() } } }.bind(this), 200) } // upload test, calls done function whent it's over var ulCalled = false // used to prevent multiple accidental calls to ulTest function ulTest (done) { tlog('ulTest') if (ulCalled) return; else ulCalled = true // ulTest already called? // garbage data for upload test var r = new ArrayBuffer(1048576) var 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 = [] var reqsmall = [] for (var 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 (var i = 0; i < r.length; i++)r[i] = Math.random()*maxInt } catch (e) { } reqsmall.push(r) reqsmall = new Blob(reqsmall) var totLoaded = 0.0, // total number of transmitted bytes startT = new Date().getTime(), // timestamp when test was started graceTimeDone = false, //set to true after the grace time is past failed = false // set to true if a stream fails xhr = [] // function to create an upload stream. streams are slightly delayed so that they will not end at the same time var testStream = function (i, delay) { setTimeout(function () { if (testStatus !== 3) return // delayed stream ended up starting after the end of the upload test tlog('ul test stream started '+i+' '+delay) var prevLoaded = 0 // number of bytes transmitted last time onprogress was called var x = new XMLHttpRequest() xhr[i] = x var ie11workaround if (settings.forceIE11Workaround) ie11workaround = true; else { try { xhr[i].upload.onprogress ie11workaround = false } catch (e) { ie11workaround = true } } if (ie11workaround) { // IE11 workarond: xhr.upload does not work properly, therefore we send a bunch of small 256k requests and use the onload event as progress. This is not precise, especially on fast connections xhr[i].onload = function () { tlog('ul stream progress event (ie11wa)') totLoaded += reqsmall.size; testStream(i, 0) } xhr[i].onerror = function () { // error, abort tlog('ul stream failed (ie11wa)') if (settings.xhr_ignoreErrors === 0) failed = true //abort try { xhr[i].abort() } catch (e) { } delete (xhr[i]) if (settings.xhr_ignoreErrors === 1) testStream(i,0); //restart stream } xhr[i].open('POST', settings.url_ul + url_sep(settings.url_ul) + 'r=' + Math.random(), true) // random string to prevent caching xhr[i].setRequestHeader('Content-Encoding', 'identity') // disable compression (some browsers may refuse it, but data is incompressible anyway) xhr[i].send(reqsmall) } else { // REGULAR version, no workaround xhr[i].upload.onprogress = function (event) { tlog('ul stream progress event '+i+' '+event.loaded) if (testStatus !== 3) { try { x.abort() } catch (e) { } } // just in case this XHR is still running after the upload test // progress event, add number of new loaded bytes to totLoaded var loadDiff = event.loaded <= 0 ? 0 : (event.loaded - prevLoaded) if (isNaN(loadDiff) || !isFinite(loadDiff) || loadDiff < 0) return // just in case totLoaded += loadDiff prevLoaded = event.loaded }.bind(this) xhr[i].upload.onload = function () { // this stream sent all the garbage data, start again tlog('ul stream finished '+i) testStream(i, 0) }.bind(this) xhr[i].upload.onerror = function () { tlog('ul stream failed '+i) if (settings.xhr_ignoreErrors === 0) failed=true //abort try { xhr[i].abort() } catch (e) { } delete (xhr[i]) if (settings.xhr_ignoreErrors === 1) testStream(i, 0) //restart stream }.bind(this) // send xhr xhr[i].open('POST', settings.url_ul + url_sep(settings.url_ul) + 'r=' + Math.random(), true) // random string to prevent caching xhr[i].setRequestHeader('Content-Encoding', 'identity') // disable compression (some browsers may refuse it, but data is incompressible anyway) xhr[i].send(req) } }.bind(this), 1) }.bind(this) // open streams for (var i = 0; i < settings.xhr_ulMultistream; i++) { testStream(i, settings.xhr_multistreamDelay * i) } // every 200ms, update ulStatus interval = setInterval(function () { tlog('UL: '+ulStatus+(graceTimeDone?'':' (in grace time)')) var t = new Date().getTime() - startT if (graceTimeDone) ulProgress = t / (settings.time_ul * 1000) if (t < 200) return if (!graceTimeDone){ if (t > 1000 * settings.time_ulGraceTime){ if (totLoaded > 0){ // if the connection is so slow that we didn't get a single chunk yet, do not reset startT = new Date().getTime() totLoaded = 0.0; } graceTimeDone = true; } }else{ var speed = totLoaded / (t / 1000.0) ulStatus = ((speed * 8 * settings.overheadCompensationFactor)/(settings.useMebibits?1048576:1000000)).toFixed(2) // speed is multiplied by 8 to go from bytes to bits, overhead compensation is applied, then everything is divided by 1048576 or 1000000 to go to megabits/mebibits if (((t / 1000.0) > settings.time_ul && ulStatus > 0) || failed) { // test is over, stop streams and timer if (failed || isNaN(ulStatus)) ulStatus = 'Fail' clearRequests() clearInterval(interval) ulProgress = 1 tlog('ulTest finished '+ulStatus) done() } } }.bind(this), 200) } // ping+jitter test, function done is called when it's over var ptCalled = false // used to prevent multiple accidental calls to pingTest function pingTest (done) { tlog('pingTest') if (ptCalled) return; else ptCalled = true // pingTest already called? var prevT = null // last time a pong was received var ping = 0.0 // current ping value var jitter = 0.0 // current jitter value var i = 0 // counter of pongs received var prevInstspd = 0 // last ping time, used for jitter calculation xhr = [] // ping function var doPing = function () { tlog('ping') pingProgress = i / settings.count_ping prevT = new Date().getTime() xhr[0] = new XMLHttpRequest() xhr[0].onload = function () { // pong tlog('pong') if (i === 0) { prevT = new Date().getTime() // first pong } else { var instspd = new Date().getTime() - prevT if(settings.ping_allowPerformanceApi){ try{ //try to get accurate performance timing using performance api var p=performance.getEntries() p=p[p.length-1] var d = p.responseStart - p.requestStart //best precision: chromium-based if (d<=0) d=p.duration //edge: not so good precision because it also considers the overhead and there is no way to avoid it if (d>0&&d