Leave the mouse untouched and measure unexpected pointer movement events and total displacement.
This test cannot directly read physical sensor drift; it measures pointer movements reaching the browser while the mouse is still. Desk vibration or accidental touch can affect the result.
Tests mostly run in your browser. Microphone/camera data is not saved on the server.
Other tests in this category
Explore other tools related to this test category.
Most used tests
Quickly access the tests visitors use most often.
How to use and interpret Mouse Drift Test
What this test checks
Measures unexpected pointer movement events and displacement while the mouse is left untouched.
Leave the mouse untouched and measure unexpected pointer movement events and total displacement.
How to interpret the result
Look for missed, repeated or unexpected input events and compare the behavior with another browser or device when possible.
Browser limitations
Browser focus, operating-system shortcuts, accessibility features, wireless interference and device firmware can affect input behavior.
Frequently asked questions
What does Mouse Drift Test check?
Measures unexpected pointer movement events and displacement while the mouse is left untouched.
Does a failed input mean the keyboard or mouse is broken?
Not necessarily. Re-test after checking focus, connection, batteries, another USB port or another browser before treating it as a hardware fault.
What should I do if the result looks bad?
Repeat the test under the same conditions, check the suggested next diagnostic and compare with another browser, connection or device where practical. Use the related guides for step-by-step troubleshooting.