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

Definition

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

Fields

[JSONObject] Navigation timing entries

resource

[JSONObject] Resource timing entries

paint

[JSONObject] Paint timing entries

measure

[JSONObject] User-defined performance measures

mark

[JSONObject] User-defined performance marks

layoutShift

[JSONObject] Layout shift entries for measuring CLS

largestContentfulPaint

[JSONObject] Largest Contentful Paint entries

firstInput

[JSONObject] First Input Delay entries

longtask

[JSONObject] Long task entries

memory

JSONObject Chrome memory usage information