We read every message

Contact Us

Found a bug, a result that looks wrong, or a test you would like us to add? Pick the topic below and your email app opens with the subject filled in.

Email us directly

hello@mousetestlab.com

We usually reply within 2 business days, in English.

We never ask for passwords or payment details by email. Test results stay in your browser, so we cannot see your scores unless you send them to us. See our privacy policy.

Reporting a measurement problem?

These details help us reproduce it:

  • Browser and version (for example Chrome 131)
  • Operating system (Windows, macOS, Linux, ChromeOS)
  • Mouse model, and wired or wireless
  • The page you used and the result you saw
  • A downloaded report image, if the tool has one