Controller Not Detected On My Mac But Works Fine On My Windows Laptop
This is usually Safari needing a button press plus a focused window, or an old macOS build. Chrome on macOS is the reliable test. Also check nothing…

Browser Compatibility Tester at Gamepad Tester
Checks every test on this site against Chromium and WebKit so results do not depend on your browser.
Simon audits browser compatibility. The Gamepad API is implemented unevenly: a DualSense exposes adaptive triggers and haptics in one browser and not another, button indexes shift between engines, and Safari and Chrome disagree on when a controller becomes visible to a page. He tests each release of the tools here across Chromium and WebKit builds and documents the differences instead of hiding them.
On Gamepad Tester he handles the questions where a controller works in one browser but not another, and reviews the rumble and haptics answers.
This is usually Safari needing a button press plus a focused window, or an old macOS build. Chrome on macOS is the reliable test. Also check nothing…
Each answer is written by the specialist who owns that part of the hardware, tested on a real controller, and checked by a second team member. How we verify answers