Metrics interface

Signature

export interface Metrics

Properties

Property	Modifiers	Type	Description	Default
Documents	optional	number	Number of documents in the page.
Frames	optional	number	Number of frames in the page.
JSEventListeners	optional	number	Number of events in the page.
JSHeapTotalSize	optional	number	Total JavaScript heap size, in bytes.
JSHeapUsedSize	optional	number	Used JavaScript heap size, in bytes.
LayoutCount	optional	number	Total number of full or partial page layouts.
LayoutDuration	optional	number	Combined duration of all page layouts, in seconds.
Nodes	optional	number	Number of DOM nodes in the page.
RecalcStyleCount	optional	number	Total number of page style recalculations.
RecalcStyleDuration	optional	number	Combined duration of all page style recalculations, in seconds.
ScriptDuration	optional	number	Combined duration of JavaScript execution, in seconds.
TaskDuration	optional	number	Combined duration of all tasks performed by the browser, in seconds.
Timestamp	optional	number	The timestamp when the metrics sample was taken, in monotonic time (seconds since an arbitrary point in the past).