javascript - How to measure client side performance in single page application -


we developed complex single page application based on sencha ext.js framework. there many "pages" in application changing dynamically without refreshing browser's url. user's interaction , content changing dynamically created , destroyed.

we want measure client side stability , performance along time. test should focus on client side behavior , responsiveness. don't need test server side response time - same response time granted during test.

all tools saw exists dealing xhr response time , based on load time per url not relevant on our case - because same url continuing , doing work along time.

any suggestion practice , tools kind of test?

thanks in advanced.

if think ajax monitoring , page load time not you, can suggest can use transaction monitoring. can done measuring time between 2 states or 2 pages.

to test locally, using console.time:

  console.time('page_name');    // goes here   console.timeend('page_name');

using performance.now

 var start = window.performance.now();  ...  var end = window.performance.now();  var time = end - start;

using atatus service

if looking service, can try https://www.atatus.com/ helps measure between transactions in real time.

in atatus, can measure between transactions or states by

 atatus.begintransaction("page_name");  ...  atatus.endtransaction("page_name");

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