Tests
System & Browser Information
Review browser-exposed viewport, screen, pixel ratio, CPU hint, touch, memory hint, and graphics capabilities.
Private by designProcessing happens locally in this browser. Device streams and raw readings are not uploaded.
What this test checks
How to use this test
Review the reported values and capability states; resize the window to observe viewport changes.
What the results mean
Values describe what this browser exposes to this page, not a complete inventory of the computer.
Troubleshooting
Update the browser, enable hardware acceleration if appropriate, and compare with operating-system information.
Browser limitation
Privacy protections may hide or generalize values; this page is not a hardware health diagnostic.