App a Day #11 - ExceptionHub for JavaScript Error Tracking

The text discusses the utility of JavaScript in modern websites and how debugging can be challenging due to the variety of web browsers. It introduces ExceptionHub, a CloudFlare App that helps developers monitor their website's performance by logging full stack traces for any JavaScript errors encountered on live sites. The service records critical details like browser and operating system versions, allowing developers to reproduce and fix issues. A 50% discount is offered for subscribing before June 22, 2011.