Page visibility state performance entriesLimited availability
A visibility-state performance entry measures the timing of page visibility state changes, such as when a tab is no longer visible or the user has switched to another app.
Not yet supported in all major browsers — check the table and provide a fallback.
Browser support
DesktopChrome
1–114Not supported
115+Supportedsince Jul 18, 2023
Current: 155Edge
12–114Not supported
115+Supportedsince Jul 21, 2023
Current: 154Firefox
✕Not supportedup to 157
Current: 157Safari
✕Not supportedup to 27
Current: 27MobileChrome Android
18–114Not supported
115+Supportedsince Jul 21, 2023
Current: 155Firefox Android
✕Not supportedup to 157
Current: 157Safari iOS
✕Not supportedup to 27
Current: 27How to use
Not supported in Firefox, Safari, Firefox Android, Safari iOS. Use feature detection below and provide a fallback (or a polyfill) for those browsers.
Example
Full syntax and examples are on MDN: VisibilityStateEntry.
Feature detection
JS · check before using
if ("VisibilityStateEntry" in globalThis) {
// VisibilityStateEntry is available
} else {
// load a polyfill or use a fallback
}Documentation (MDN)
Sub-features
Support for each part of the feature (5). The overall table above shows when the whole feature works.
| Sub-feature | Chrome | Edge | Firefox | Safari | Chrome Android | Firefox Android | Safari iOS |
|---|---|---|---|---|---|---|---|
| VisibilityStateEntry | 115 | 115 | ✕ | ✕ | 115 | ✕ | ✕ |
| VisibilityStateEntry.duration | 115 | 115 | ✕ | ✕ | 115 | ✕ | ✕ |
| VisibilityStateEntry.entryType | 115 | 115 | ✕ | ✕ | 115 | ✕ | ✕ |
| VisibilityStateEntry.name | 115 | 115 | ✕ | ✕ | 115 | ✕ | ✕ |
| VisibilityStateEntry.startTime | 115 | 115 | ✕ | ✕ | 115 | ✕ | ✕ |