Track which users experience errors and understand total impact.
Recreate the history of application, user, and network actions.
Detail about the remote browser, plugins, and your custom metadata.
Quickly find original source code referenced by stack traces
Take full control of applying sourcemaps to your traces.
TrackJS pointed me towards a bug in our third-party integration code that prevented sending important information to our back-end. Without TrackJS, it's likely we wouldn't have discovered this for a long time, and probably with great difficulty hunting it down.
a clean and easy-to-use instrument that promises to make life easier for front-end developers.ProgrammableWeb