Load Testing Blog

Best Practices for Recording a Testcase to Work the First Time

Sometimes, HTTP testcase don’t work immediately after being recorded. Your application may require special configuration, or your workflow may need some special data entry in order to work in a repeatable fashion. However, sometimes the problem can be compounded by easily avoidable conditions.
Recommendation 1: Close unnecessary applications while recording
During recording, Load Tester will capture HTTP and HTTPS network traffic from your workstation as you record. This allows Load Tester to observe your recorded browser window, and child windows that may be spawned from it. If you have other browser windows open, e-mail clients, etc, these can all interfere with the … Continue reading »

Web Performance QA Tester and Load Tester 6.3 Released

If you were wondering why there’s a 6.3 release only a few weeks after the 6.2 release, its because we’re on a new development schedule.  Instead of holding back new features for months and only putting out new releases a couple of times a year, we’re moving to releases everyone 1-2 months, getting the new stuff and bug fixes into your hands as quickly as possible.  This fits in nicely with the new monthly subscription model for Web Performance QA Tester™, where the small monthly fee covers not just support but new features month after month.  If you … Continue reading »

Load Tester RB Upgrade Policy

If you’re an existing Web Performance Load Tester™ customer you may be wondering if the real browser capability will be included in Load Tester 6.0.  Because the real browser technology is so different, Load Tester 6.0 is being released in two different editions:  Load Tester PRO™ for virtual browsers, and Load Tester RB™ for real browsers.
Load Tester PRO 6.0 Upgrades
If you currently own a license for Load Tester PRO™ you’ll be receiving a free upgrade to the 6.0 release, but that release will not include real browser load testing functionality.  If you’re interested in trying out real browsers, Load … Continue reading »

Load Tester 6.0 RB Released!

Load Tester RB™ introduces an exciting new capability: generating load with real browsers using Selenium/WebDriver. Instead of simulated browsers hitting your website, WebDriver controls actual browsers, each one behaving as if an actual user was sitting there clicking and typing.  There is no more accurate way to do web testing, and you have absolute confidence that your website is being hit with the most realistic web traffic, and thus are getting the most accurate pictures of your website’s performance.
Our beta customers have reported being able to more quickly develop test cases for complicated websites, drastically cutting the amount of time it … Continue reading »

Load Tester 5.4: Now on OSX!

Hi, I’m Michael Czeiszperger, the original author of the Load Tester 1.0 and 2.0. Although Load Tester originally ran on OSX, 10 years ago the future of that platform was very much up for grabs, and with 99% of our sales on Windows, the OSX version was dropped. Fast forward to 2013, and I decided that 10 years of running Load Tester on my OSX machine through an emulator was 10 years too many. It only took a couple of days to get it running again on OSX, but several months working in my spare time to squash all the … Continue reading »

Load Tester 5.4 Released!

Our goal with Load Tester 5.4 was to build the easiest to use load testing tool, even if you had no experience with load testing. It should just make sense when you look at it, with every button in the right place and all of the right information at your fingertips. We’ve spent most of 2013 reworking the user interface, trying out several different ways of doing the normal load testing workflow, until it both looked great and let us get load testing done as quickly as possible.
But of course, user interface improvements weren’t the only changes: we threw in … Continue reading »

DynaTrace Support in Web Performance Load Tester 5.4

DynaTrace (now known as “Compuware APM for Enterprise Tiers”) is a tool to analyze performance as requests pass from the front-end webserver back to various application servers, database servers, and web services. It’s marketed as a way to obtain deep insight into performance problems without the overhead and inconvenience of other more intrusive profiling tools. During a load test, DynaTrace works best if requests are annotated with metadata. We added a feature to emit DynaTrace-compatible metadata to Load Tester 5.4.
DynaTrace support is a premium feature sold separately from Load Tester PRO or our other offerings, but you … Continue reading »

Scheduling Load Tests with Load Tester 5.4

Many of our customers want to run tests off-hours to minimize collateral inconveniences. For example, if the rest of your QA team is working on the same test server as you, it might behoove you to run a load test at 2:00 AM when the team is asleep. Load Tester has had the ability to schedule off-hours tests for years, but the feature remains a frequently asked question among potential testers.
In Load Tester 5.4′s streamlined user interface, you can schedule a test from the ‘Control’ menu by choosing “Schedule Load Test.” A “Scheduled Operation” dialog will appear, and you can … Continue reading »

Windows VPN support available in Load Tester 5.4

If you’ve ever used Load Tester on a machine with Windows VPN configurations, it may have seemed strange that Load Tester would become unable to record while the VPN was connected. Disconnecting the VPN would allow Load Tester to record normally. Fortunately, this is improved in Load Tester 5.4, so recording & playback work as expected while a VPN is connected.
To understand how this improvement works, let’s take a look first at why VPNs need special configuration.

When you Connect to your VPN, the VPN connection is established, giving you access to the remote network. However, separate from the VPN Properties, … Continue reading »

Stronger NTLM session security supported for Load Tester 5.4

Let’s say you’re testing an internal site which uses Integrated Windows Authentication. You may have already been running regular tests on this site with no difficulty. Then, an administrator runs a security tool (such as the Windows Security Configuration Wizard) and suddenly your Load Tests now fail with HTTP 401 Unauthorized responses.
What happened?
One cause of this can be a feature of NTLM security was enabled, requiring clients to support NTLMv2 “session” security. While this security feature is stronger, it is not universally supported by all clients, including legacy versions of Load Tester.
Getting past the issue is easy: just upgrade Load … Continue reading »

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