Mobile Support Test Tool
We tested the tool on mobile devices (phones and tablets) and found it to be excellent, but we also learned a lot about the different problems we face.
The Test Tool is a mobile app to test a website using a simple test of whether the screen is mobile-friendly or not. The app is made by NCC Group (not a competitor of ours).
The software is a web-based application for mobile device users to assist them in conducting a test