Showing posts with label: Testing

A client of ours recently contacted me with the question: We use Keynote, WebPagetest and dynaTrace AJAX – but we get different results with these tools/services. WebPagetest tells us that our page is very slow – but dynaTrace on my local machine does not. What can be the problem here? What’s the difference?
I took a [...]

With more than 3 million downloads, Selenium is the world’s most popular functional testing framework. It allows web developers and QA professionals to automatically test how an application functions on multiple browsers, such as Firefox, Internet Explorer and Chrome and across operating systems, such as different versions of Windows and Mac [...]

MicroFocus and dynaTrace recently announced “SilkPerformer Assurance” and with that announcement comes a tighter integration between MicroFocus’s Load Testing Tool SilkPerformer and dynaTrace’s Application Performance Management Solution for Load Testing.
Enough has been said about the partnership in the actual press release. Now it is time to look behind the marketing curtain and explore the details [...]

Microsoft released the next version of it’s Development IDE Visual Studio 2010. In fact – VS2010 is more than just an IDE to write applications. It also became a testing solution with the built-in Web-, Load- and functional testing capabilities. In a recent blog post and in a recent MSDN Webinar I demonstrated the capabilities [...]

I recently blogged about the Load Testing Capabilities of Visual Studio 2010 and the new extension interfaces that we from dynaTrace use to extend VS2010 Web- and Load-Testing to go beyond .NET and standard load-testing reports: VS2010 Load Testing for Distributed and Heterogeneous Applications powered by dynaTrace. Next week I am going to do a [...]

I had an interesting conversation with our Test Automation team lead Stefan – who Andi interviewed for our “Eating our own Dog Food ” article – on his experiences with the willingness of developers to write performance tests.
I asked a provocative question: do developers really want to write them in the first place? First he [...]

Visual Studio 2010 is almost here – Microsoft just released the first Release Candidate which looks pretty solid and good. Microsoft added new interfaces for performance management solutions like dynaTrace to extend the Web- and Load-Testing capabilities (check out Ed Glas’s blog on what’s in VSTS Load Testing) to go beyond .NET environments and deeper [...]

Zappos - the leading eCommerce site for shoes and apparel – recently talked about their best practices of delivering WOW Performance to their customers. Zappos re-architected their web-site and went from Perl to Enterprise Java as the need to scale and perform was driven by explosive business growth and performance problems in their old architecture.
Performance is the key [...]

I sat together with Stefan Frandl, Test Automation Lead in dynaTrace’s R&D Lab in Linz, Austria to discuss how dynaTrace does Continuous APM in Development. Obviously dynaTrace takes performance very serious as we preach to our clients that Continuous Application Performance Management is a critical component across the Application Lifecycle. The earlier in the Lifecycle [...]

It is a fact that end user response time is critical for business success. The faster web pages are perceived the longer users tend to stay on the page and therefore spend more money and drive business.
In order to ensure that end user response times are acceptable at all times it is necessary to measure [...]