This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.


This interface is deprecated in the Navigation Timing Level 2 specification. Please use the PerformanceNavigationTiming interface instead.

The legacy PerformanceNavigation interface represents information about how the navigation to the current document was done.

An object of this type can be obtained by calling the Performance.navigation read-only attribute.


The PerformanceNavigation interface doesn't inherit any properties.

This deprecated API should no longer be used, but will probably still work. PerformanceNavigation.type Read only
An unsigned short which indicates how the navigation to this page was done. Possible values are:
The page was accessed by following a link, a bookmark, a form submission, or a script, or by typing the URL in the address bar.
The page was accessed by clicking the Reload button or via the Location.reload() method.
The page was accessed by navigating into the history.
Any other way.
This deprecated API should no longer be used, but will probably still work. PerformanceNavigation.redirectCount Read only
An unsigned short representing the number of REDIRECTs done before reaching the page.


The Performance interface doesn't inherit any methods.

This deprecated API should no longer be used, but will probably still work. PerformanceNavigation.toJSON()
Is a jsonizer returning a json object representing the PerformanceNavigation object.


Specification Status Comment
Navigation Timing
The definition of 'PerformanceNavigation' in that specification.
Recommendation Initial definition.

Browser compatibility

BCD tables only load in the browser

See also

  • The Performance that allows access to an object of this type.
  • PerformanceNavigationTiming (part of Navigation Timing Level 2) This is an experimental API that should not be used in production code.