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class PerformanceResourceTiming

Provides detailed network timing data regarding the loading of an application's resources.

The constructor of this class is not exposed to users directly.

Constructors

new
PerformanceResourceTiming()

Properties

readonly
connectEnd: number

The high resolution millisecond timestamp representing the time immediately after Node.js finishes establishing the connection to the server to retrieve the resource.

readonly
connectStart: number

The high resolution millisecond timestamp representing the time immediately before Node.js starts to establish the connection to the server to retrieve the resource.

readonly
decodedBodySize: number

A number representing the size (in octets) received from the fetch (HTTP or cache), of the message body, after removing any applied content-codings.

readonly
domainLookupEnd: number

The high resolution millisecond timestamp representing the time immediately after the Node.js finished the domain name lookup for the resource.

readonly
domainLookupStart: number

The high resolution millisecond timestamp immediately before the Node.js starts the domain name lookup for the resource.

readonly
encodedBodySize: number

A number representing the size (in octets) received from the fetch (HTTP or cache), of the payload body, before removing any applied content-codings.

readonly
entryType: "resource"
readonly
fetchStart: number

The high resolution millisecond timestamp immediately before the Node.js starts to fetch the resource.

readonly
redirectEnd: number

The high resolution millisecond timestamp that will be created immediately after receiving the last byte of the response of the last redirect.

readonly
redirectStart: number

The high resolution millisecond timestamp that represents the start time of the fetch which initiates the redirect.

readonly
requestStart: number

The high resolution millisecond timestamp representing the time immediately before Node.js receives the first byte of the response from the server.

readonly
responseEnd: number

The high resolution millisecond timestamp representing the time immediately after Node.js receives the last byte of the resource or immediately before the transport connection is closed, whichever comes first.

readonly
secureConnectionStart: number

The high resolution millisecond timestamp representing the time immediately before Node.js starts the handshake process to secure the current connection.

readonly
transferSize: number

A number representing the size (in octets) of the fetched resource. The size includes the response header fields plus the response payload body.

readonly
workerStart: number

The high resolution millisecond timestamp at immediately before dispatching the fetch request. If the resource is not intercepted by a worker the property will always return 0.

Methods

toJSON(): any

Returns a object that is the JSON representation of the PerformanceResourceTiming object

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