At FOSDEM 2020, I talked about our recent Boomerang Performance Audit and the improvements we’ve made since: Here’s the description: Boomerang is an open-source Real User Monitoring (RUM) JavaScript library used by thousands of websites to measure their visitor’s experiences. The developers behind Boomerang take pride in building a reliable and performant third-party library that […] The post Check Yourself Before You Wreck Yourself: Auditing and Improving the Performance of Boomerang...