Table Of Contents Introduction Methodology Audit Boomerang Lifecycle Loader Snippet mPulse CDN boomerang.js size boomerang.js Parse Time boomerang.js init() config.json (mPulse) Work at onload The Beacon Work beyond onload Work at Unload TL;DR Summary Why did we write this article? 1. Introduction Boomerang is an open-source JavaScript library that measures the page load experience of […] The post An Audit of Boomerang’s Performance first appeared on NicJ.net.