👁️➡️⬛️💻

#black box testing #software testing #user interface testing #external perspective #QA

📝📱💻🧪

#app prototyping #ux design #wireframing #digital mock-up #user interface testing

🖱️🅰️↔️🅱️

#user interface testing #ui testing #website experiment #user experience testing #UX optimization #click tracking #landing page test