NotRestoredReasonDetails

Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The NotRestoredReasonDetails interface of the Performance API represents a single reason why a navigated page was blocked from using the back/forward cache (bfcache).

An array of NotRestoredReasonDetails objects can be accessed via the NotRestoredReasons.reasons property.

Instance properties

reason Read only

A string describing a reason that the page was blocked from using the back/forward cache.

Instance methods

toJSON()

A serializer; returns a JSON representation of the NotRestoredReasonDetails object.

Examples

See Monitoring bfcache blocking reasons for examples.

Specifications

Specification
HTML Standard
# notrestoredreasondetails

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
NotRestoredReasonDetails
Experimental
reason
Experimental
toJSON
Experimental

See also