AngularJS became most popular client-side Javascript framework for building modern single page applications. But rapid development comes with cost - often performance is overlooked during early stages of the product. Also large applications suffer performance penalty simply due their complicated nature. Debugging performance of AngularJS application is tiresome task, and, most importantly, not necessary. By collecting performance metrics you can get immediate understanding where most problematic bottleneck is and fix it first. This is what we offer with our service ngMetrics.com - clear explanation where browser spends most its CPU time. This leads to better customer experience and higher client retention rates.