"Represents a set of client-side latency measurements provided by the ResourceTiming API"
properties
pageviewToken
description
"Token unique to current page's JS execution context. Used to link NavTiming data to survey responses."
type
"string"
label
description
"Custom label to identify the resource."
type
"string"
startTime
description
"The starting time of request."
type
"integer"
maximum
9223372036854775807
minimum
0
workerStart
description
"The time immediately before the user agent fires an event named `fetch` at the active worker if the worker is available. Or the time immediately before the user agent runs the worker required to service the request."
type
"integer"
maximum
9223372036854775807
minimum
0
redirectStart
description
"The starting time of the fetch that initiates the redirect (if there is a redirect)."
type
"integer"
maximum
9223372036854775807
minimum
0
redirectEnd
description
"The time immediately after receiving the last byte of the response of the last redirect (if there is a redirect)"
type
"integer"
maximum
9223372036854775807
minimum
0
fetchStart
description
"The time immediately before the user agent starts checking any relevant application caches."
type
"integer"
maximum
9223372036854775807
minimum
0
domainLookupStart
description
"The time immediately before the user agent starts the domain name lookup for the current document."
type
"integer"
maximum
9223372036854775807
minimum
0
domainLookupEnd
description
"The time immediately after the user agent finishes the domain name lookup for the current document."
type
"integer"
maximum
9223372036854775807
minimum
0
connectStart
description
"The time immediately before the user agent start establishing the connection to the server to retrieve the document."
type
"integer"
maximum
9223372036854775807
minimum
0
secureConnectionStart
description
"The time immediately before the user agent starts the handshake process to secure the current connection."
type
"integer"
maximum
9223372036854775807
minimum
0
connectEnd
description
"The time immediately after the user agent finishes establishing the connection to the server to retrieve the current document."
type
"integer"
maximum
9223372036854775807
minimum
0
requestStart
description
"The time immediately before the user agent starts requesting the current document from the server, or from relevant application caches or from local resources."
type
"integer"
maximum
9223372036854775807
minimum
0
responseStart
description
"The time immediately after the user agent receives the first byte of the response from the server, or from relevant application caches or from local resources."
type
"integer"
maximum
9223372036854775807
minimum
0
responseEnd
description
"The time immediately after the user agent receives the last byte of the current document or immediately before the transport connection is closed, whichever comes first."
type
"integer"
maximum
9223372036854775807
minimum
0
encodedBodySize
description
"The size, in octets, received from a HTTP-network-or-cache fetch, of the payload body [RFC7230], prior to removing any applied content-codings [RFC7231], if the last non-redirected fetch of the resource passes the timing allow check algorithm. Or the size, in octets, of the payload body prior to removing any applied content-codings if the resource is retrieved from relevant application caches or from local resources."
type
"integer"
maximum
9223372036854775807
minimum
0
decodedBodySize
description
"The size, in octets, received from a HTTP-network-or-cache fetch, of the message body [RFC7230], after removing any applied content-codings [RFC7231], if the last non-redirected fetch of the resource passes the timing allow check algorithm. The size, in octets, of the payload after removing any applied content-codings, if the resource is retrieved from relevant application caches or from local resources."
type
"integer"
maximum
9223372036854775807
minimum
0
initiatorType
description
"The same value as the localName of that element [DOM], if the request is a result of processing the element; "css", if the request is a result of processing a CSS url() directive [CSS-SYNTAX-3], such as @import url() or background: url(); "navigation", if the request is a navigation request; "xmlhttprequest", if the request is a result of processing an XMLHttpRequest object [XHR]; "fetch", if the request is the result of processing the Fetch method [FETCH]; "beacon", if the request is the result of processing the sendBeacon method [BEACON]; "other", if none of the above conditions match."
type
"string"
duration
description
"Difference between responseEnd and startTime, respectively."
type
"integer"
maximum
9223372036854775807
minimum
0
name
description
"Resolved URL of the requested resource."
type
"string"
nextHopProtocol
description
"The network protocol used to fetch the resource, as identified by the ALPN Protocol ID [RFC7301]; resources retrieved from relevant application caches or local resources, return an empty string."
type
"string"
transferSize
description
"The size, in octets received from a HTTP-network fetch, consumed by the response header fields and the response payload body [RFC7230] if the last non-redirected fetch of the resource passes the timing allow check algorithm."