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Avoid using this feature in new projects.
This feature is supserseded by the PerformanceNavigationTiming API.
This feature may be a candidate for removal from web standards or browsers.
Consider using the following features instead: Performance or Navigation timing.
The legacy PerformanceNavigation interface represents information about how the navigation to the current document was done.
Warning:
This interface is deprecated in the Navigation Timing Level 2 specification.
Please use the PerformanceNavigationTiming interface instead.
An object of this type can be obtained by calling the Performance.navigation read-only attribute.
The PerformanceNavigation interface doesn't inherit any properties.
PerformanceNavigation.type Read only An unsigned short which indicates how the navigation to this page was done. Possible values are:
TYPE_NAVIGATE (0)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.
TYPE_RELOAD (1)The page was accessed by clicking the Reload button or via the Location.reload() method.
TYPE_BACK_FORWARD (2)The page was accessed by navigating into the history.
TYPE_RESERVED (255)Any other way.
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.
PerformanceNavigation.toJSON() A serializer returning a JSON object representing the PerformanceNavigation object.
| Specification |
|---|
| Navigation Timing Level 2 # performancenavigation-performancenavigation |
Performance that allows access to an object of this type.PerformanceNavigationTiming (part of Navigation Timing Level 2) that has superseded this API.This page was last modified on Jun 23, 2025 by MDN contributors.
PerformanceNavigationEventCountsLargestContentfulPaintLayoutShiftLayoutShiftAttributionNotRestoredReasonDetailsNotRestoredReasonsPerformancePerformanceElementTimingPerformanceEntryPerformanceEventTimingPerformanceLongAnimationFrameTimingPerformanceLongTaskTimingPerformanceMarkPerformanceMeasurePerformanceNavigationTimingPerformanceObserverPerformanceObserverEntryListPerformancePaintTimingPerformanceResourceTimingPerformanceScriptTimingPerformanceServerTimingPerformanceTimingTaskAttributionTimingVisibilityStateEntryWindow.performanceWorkerGlobalScope.performanceYour blueprint for a better internet.
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