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WPT

wpt / page-visibility / visibility-state-entry.tentative.html

Spec: https://w3c.github.io/page-visibility/ ↗

Runs: Chrome 155.0.8038.0 (wpt@7addae031, 2026-09-02) | Firefox 157.0a1 (wpt@7addae031, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi

ChromeFirefoxSafariLadybirdServoBlitz
Total4/40/40/40/40/4NOT RUN
SubtestChromeFirefoxSafariLadybirdServoBlitz
Hiding/showing the page should create visibility-state entriesPASSFAIL
If a page starts as hidden, the first visibility-state entry should be hiddenPASSFAIL
Visibility state entries should be queued to performance observersPASSFAIL
Visibility state observers should respect the buffered flagPASSTIMEOUT