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