Back/forward cache blocking reasons

The notRestoredReasons property of a PerformanceNavigationTiming object explains why the current document was blocked from using the back/forward cache (also known as the bfcache) on navigation. To learn more, see NotRestoredReasonDetails, NotRestoredReasonDetails: reason property, NotRestoredReasons, NotRestoredReasons: children property, NotRestoredReasons: id property, NotRestoredReasons: name property, NotRestoredReasons: reasons property, NotRestoredReasons: src property, NotRestoredReasons: url property, Monitoring bfcache blocking reasons at MDN.

Compatibility

• Chrome 125 Released on 2024-05-14
• Chrome Android 125 Released on 2024-05-14
• Edge 125 Released on 2024-05-17
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