How Mouse Test handles your data — in short, it doesn't collect any.
123 Mouse Test is a set of simple, browser-based tools for checking that your mouse's buttons, scroll wheel, drag function, and click speed work correctly. Every test on this site runs entirely inside your own web browser using JavaScript. Nothing you do on these pages — clicks, scroll events, cursor movement, or test results — is ever sent to a server, stored, or shared.
We do not collect, log, or transmit any personal information or usage data. Specifically:
Test results (click counts, timers, DPI estimates, etc.) exist only in your browser's memory while the page is open. Refreshing or closing the page clears them. Nothing is saved to your device's disk or synced anywhere.
This site does not embed third-party advertising, analytics, or social media widgets. If that ever changes, this policy will be updated to reflect it.
Since no personal data is collected from any visitor, this site does not knowingly collect information from children or any other users.
If this policy changes in the future — for example, if analytics are added — this page will be updated with a new "last updated" date.
Questions about this policy can be sent via the Contact page.