Usability testing is a great way to measure how users interact with your designs and quickly identify where pains and weaknesses maybe in the design. By prioritizing areas of pains design improvements and upgrades can be made to the software interface. Making sure a user can go from point A to B quickly and effortlessly is key in design and flow of software. Usability testing is great because it can identify issues early on so we can make quick updates to the UI before we even code the software. Using services such as usertesting.com we can specify tasks we would like users to test and have up to one million users test the tasks and give clear video feedback. 

Having detailed metrics reports, moderated usability testing, competitive benchmarking and focus groups lets you look over the shoulder of your personas and listen to them describe where they get stuck.  Creating your test, targeting your demographic and getting quick feedback is all part of excellent usability testing model. Sharing the results within your team allows you to ask follow questions to your testers and increase UX and ROI. Usability testing is not only for software products but for websites as well to help improve conversion rates and ROI.