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When a recording is first uploaded, it behaves the same as when it was recorded; That is, it makes all the same requests, with no differentiating qualities. Until you parameterize it, our application will simply repeat all of the GETs, POSTs, and occasional PUT requests the same way they were recorded, but we handle a…

Selenium Core is a software testing tool for website applications. With this test program web developers can test the functionality of their website applications with a variety of browsers and under a variety of conditions simulating the different visitors that can use the web site. Selenium Core runs directly in a browser just like real…

Welcome to the fourth part of our Web Performance Optimization series. It is our hope that these suggestions and best practices will assist you in improving the speed of your site. We view performance engineering as an iterative process whereby developers and testers will run load tests, analyze measurements, and tune the system incrementally. Our…

Andrew Lombardi is a Java Software Engineer and Head Geek of Mystic Coders, LLC in Santa Ana, California. His blog provides insight into many aspects of technology. Our thanks to Andrew for taking the time to share some information with us. What is one tip or best practice that is important to you regarding load…

“Just wanted to let you know that I found your site tonight and was able to successfully create an account and run my first load test all within 45 minutes! I needed to run a small test for a personal site, but after seeing how easy this is, I will be looking at your service…

I saw a tweet today that referenced web performance improvement, and that linked me to an interesting post on Developer.com. Performance Improvement: Understanding by Robert Bogue is a good article that provides an overview of web performance measurement and what common problems lead to poor performance in web apps. Although his perspective and examples are…