Are you working on a new web app that will win the hearts of its users? Are you a resourceful client of a software house, a dedicated product owner, or an ingenious developer? Then, you want the user experience to be as good as possible – regardless of whether your app is a personal project or the next Facebook-killer. Graphic design and user interface are exciting, but their less obvious cousin, performance, is no less important. If you would like to take care of performance testing yourself or introduce your QA team to this task, keep reading – this blogpost will be about JMeter, an easy-to-use, yet powerful (and free!) tool to perform load tests with.