Data inventory
| Item | Leaves your device | Handling |
|---|---|---|
| Camera and microphone streams | Nothing | Held in this tab only while a test is running. |
| Recordings you make | Nothing | Kept in memory and discarded when you leave. |
| Test results and history | Nothing | Stored only in this browser when a tool offers history. |
| Device labels | Nothing | Read only after permission and never transmitted. |
| Anonymous page analytics | Aggregate | May count page and action names without measured values. |
Permission control
Camera and microphone access begins only after you press start. You can stop a stream from the test controls or revoke access from the browser address bar. Active tracks are released when the test stops or the page is closed.
Local history
Tools that offer history store only their own bounded result records in this browser. They also provide a direct clear-history action. Media and device-label combinations are not written to local storage.
Optional analytics and advertising
When enabled, Google Analytics receives page-view information and Google AdSense loads advertisements. These services may use cookies and receive browser and network information. Our page-view events exclude URL query parameters, device labels, keystrokes, recordings and test measurements.