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 Experimental

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

Instance methods

toJSON() Experimental

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



HTML Standard
# notrestoredreasondetails

Browser compatibility

BCD tables only load in the browser

See also