Measuring Usability with System Usability Scale (SUS)

There is no doubt about the importance of measuring and tracking user experience. Depending on the specifications of a digital product, different sets of performance metrics may be used to evaluate the user experience, such as time on task, success rate and error rate, conversion rate and issue-based metrics. These metrics are based on quantitative data collected during user testing sessions or contextual interviews, at the very least using product analytics data.

Main Principles of Lean UX for Startups

The Lean Startup philosophy has been around for quite a while now and has been adopted by many tech companies together with agile methodology as a new, more productive way of running business. And it has proved to be really successful in shifting the focus from lengthy design documentations to actual working products. But how does it apply to user experience in particular and can it really improve the quality of UX/Usability outcomes?