It’s been a while since we released the last major version of Compuware dynaTrace AJAX Edition. With AJAX Edition 4 we introduce the capability to test across all versions of Internet Explorer (IE) starting with IE6 and all current versions of Firefox starting with 3.6 until Firefox 18 (current version as of release date). Why [...]

“I’m looking to drop some serious cash on cookware, but I can’t add items to my cart” – this is a comment posted by a frustrated visitor of one of the Bon-Ton Online Stores. The question is what you do with that type of comment when you are responsible for End User Experience? Is it [...]

Even though HTML5, JavaScript and CSS are great technologies for building Rich Client Applications that run in the browser – many people continue to use “real” Rich Client Browser Technologies such as Flash and Silverlight as it provides greater flexibility in certain scenarios. From a User Experience Management (UEM) or Real User Monitoring (RUM) perspective [...]

While preparing for a presentation at the Internet Summit in Raleigh this week, I was able to look at some unique data from a new free online service we recently launched called Outage Analyzer. Outage Analyzer showcases the value of “Big Data” performance analytics delivering answers instead of just more data with real-time visualizations and alerts [...]

Compuware is updating its support for dynaTrace Browser Diagnostics and extends its Deep Dive Browser Diagnostics to include Firefox 15 & 16. The update is available for The Compuware dynaTrace Development and Test Center Team Edition (aka Compuware dynaTrace AJAX Edition Premium) and The free Compuware dynaTrace AJAX Edition Where to Download the latest version / [...]

Thanks to the great guys that help our customers with their application performance problems we can share some of their stories on this blog. We hope you – responsible for application performance in your own organization – can leverage these findings in order to prevent these common problem patterns we see out there in the [...]

“Mobile” and “Web” sound like a perfect match, but reality often shows that these two trends form opposite forces. Recently we had an interesting engagement with one of our customers where we found how easy and dangerous it can be to inadvertently spoil end-users’ experience with mobile web application by forgetting the practical limitations and [...]

On September 10, GoDaddy, a major Internet Registry and DNS provider for millions of domain names experienced an outage that caused a substantial impact for companies and people around the globe while major online sites in the US experienced no or minimal performance impact at all from this event. How can this be? How can [...]

As I was learning how to design and execute load tests, an experienced load tester told me the one rule you needed to be able to judge the effectiveness of a test execution: If something didn’t go wrong with some part of the application and/or infrastructure during the test, there was likely something wrong with [...]

In my first blog I covered Excessive Logging as being a top performance problem when moving an application from test to production. In this blog I talk about common deployment mistakes that lead to functional as well as performance problems. Whether it is missing files that lead to HTTP 4xx, misconfigured Web Server settings that [...]