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Performance metrics collected from the page using the native Performance API. Contains arrays of PerformanceEntry objects organized by entry type.

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Definition

object Performance {
  navigation: [JSONObject]
  resource: [JSONObject]
  paint: [JSONObject]
  measure: [JSONObject]
  mark: [JSONObject]
  layoutShift: [JSONObject]
  largestContentfulPaint: [JSONObject]
  firstInput: [JSONObject]
  longtask: [JSONObject]
  memory: JSONObject
}

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Fields

[JSONObject] Navigation timing entries

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resource

[JSONObject] Resource timing entries

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paint

[JSONObject] Paint timing entries

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measure

[JSONObject] User-defined performance measures

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mark

[JSONObject] User-defined performance marks

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layoutShift

[JSONObject] Layout shift entries for measuring CLS

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largestContentfulPaint

[JSONObject] Largest Contentful Paint entries

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firstInput

[JSONObject] First Input Delay entries

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longtask

[JSONObject] Long task entries

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memory

JSONObject Chrome memory usage information