gamepad-tester.com - site is not usable · Issue #92892 · webcompat/web-bugs · GitHub
Hello r/gamedev, I made this free little tool to test out controller inputs, since there's hardly a way to test them out without running a game or some other unrelated software :
Gamepad tester || Check every button on your Controller works perfectly or not || Joysticks Tester - YouTube
Xbox Game Controller Tester Guide - You might not suck at NHL!
Gamepad Test | Controller & Joystick Test with Gamepad Viewer
How to use JS Gamepad API and Build a Gamepad Tester : r/WebdevTutorials
How to Make an Online Test for Gamepad Controller Using HTML5 Gamepad API - DEV Community
Controller Tester by Killerkun
How to Calibrate Your PS or Xbox Controller in Windows 10
HTML5 Gamepad Tester - Test your gamepad online! — Steemit
GamePad Viewer - The Official Controller Display & Tester
Beginner-professional controller recommendation
Gamepad Tester Alternatives and Similar Sites / Apps | AlternativeTo