{
"dom-performance-clearresourcetimings": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/Performance.json",
"name": "clearResourceTimings",
"slug": "API/Performance/clearResourceTimings",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Performance/clearResourceTimings",
"summary": "The clearResourceTimings() method removes all performance entries with an entryType of \"resource\" from the browser's performance timeline and sets the size of the performance resource data buffer to zero.",
"support": {
"chrome": [
{
"version_added": "46"
},
{
"version_added": "22",
"version_removed": "57",
"prefix": "webkit"
}
],
"chrome_android": "mirror",
"deno": {
"version_added": false
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "35"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"nodejs": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": [
{
"version_added": "79"
},
{
"version_added": false,
"version_removed": "57",
"prefix": "webkit"
}
]
},
"title": "Performance: clearResourceTimings() method"
}
],
"dom-performance-onresourcetimingbufferfull": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/Performance.json",
"name": "resourcetimingbufferfull_event",
"slug": "API/Performance/resourcetimingbufferfull_event",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Performance/resourcetimingbufferfull_event",
"summary": "The resourcetimingbufferfull event is fired when the browser's resource timing buffer is full.",
"support": {
"chrome": [
{
"version_added": "46"
},
{
"version_added": "22",
"version_removed": "57",
"alternative_name": "webkitresourcetimingbufferfull"
}
],
"chrome_android": "mirror",
"deno": {
"version_added": false
},
"edge": "mirror",
"firefox": {
"version_added": "35"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"nodejs": {
"version_added": false
},
"oculus": "mirror",
"opera": {
"version_added": false
},
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": [
{
"version_added": "79"
},
{
"version_added": false,
"version_removed": "57",
"alternative_name": "webkitresourcetimingbufferfull"
}
]
},
"title": "Performance: resourcetimingbufferfull event"
}
],
"dom-performance-setresourcetimingbuffersize": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/Performance.json",
"name": "setResourceTimingBufferSize",
"slug": "API/Performance/setResourceTimingBufferSize",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Performance/setResourceTimingBufferSize",
"summary": "The setResourceTimingBufferSize() method sets the desired size of the browser's resource timing buffer which stores the \"resource\" performance entries.",
"support": {
"chrome": [
{
"version_added": "46"
},
{
"version_added": "22",
"version_removed": "57",
"prefix": "webkit"
}
],
"chrome_android": "mirror",
"deno": {
"version_added": false
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "35"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"nodejs": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": [
{
"version_added": "79"
},
{
"version_added": false,
"version_removed": "57",
"prefix": "webkit"
}
]
},
"title": "Performance: setResourceTimingBufferSize() method"
}
],
"sec-extensions-performance-interface": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/Performance.json",
"name": "Performance",
"slug": "API/Performance",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/Performance",
"summary": "The Performance interface provides access to performance-related information for the current page.",
"support": {
"chrome": {
"version_added": "6"
},
"chrome_android": "mirror",
"deno": {
"version_added": "1.0"
},
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "7"
},
"firefox_android": "mirror",
"ie": {
"version_added": "9"
},
"nodejs": {
"version_added": "8.5.0",
"notes": "Exported from the perf_hooks module",
"partial_implementation": true
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "8"
},
"safari_ios": {
"version_added": "9"
},
"samsunginternet_android": "mirror",
"webview_android": {
"version_added": "37"
},
"edge_blink": {
"version_added": "79"
}
},
"title": "Performance"
}
],
"dom-performanceresourcetiming-connectend": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "connectEnd",
"slug": "API/PerformanceResourceTiming/connectEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/connectEnd",
"summary": "The connectEnd read-only property returns the timestamp immediately after the browser finishes establishing the connection to the server to retrieve the resource. The timestamp value includes the time interval to establish the transport connection, as well as other time intervals such as TLS handshake and SOCKS authentication.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": {
"version_added": "32"
},
"opera_android": {
"version_added": "32"
},
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: connectEnd property"
}
],
"dom-performanceresourcetiming-connectstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "connectStart",
"slug": "API/PerformanceResourceTiming/connectStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/connectStart",
"summary": "The connectStart read-only property returns the timestamp immediately before the user agent starts establishing the connection to the server to retrieve the resource.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": {
"version_added": "32"
},
"opera_android": {
"version_added": "32"
},
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: connectStart property"
}
],
"dom-performanceresourcetiming-decodedbodysize": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "decodedBodySize",
"slug": "API/PerformanceResourceTiming/decodedBodySize",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/decodedBodySize",
"summary": "The decodedBodySize read-only property returns the size (in octets) received from the fetch (HTTP or cache) of the message body after removing any applied content encoding (like gzip or Brotli). If the resource is retrieved from an application cache or local resources, it returns the size of the payload after removing any applied content encoding.",
"support": {
"chrome": {
"version_added": "54"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "45"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: decodedBodySize property"
}
],
"dom-performanceresourcetiming-domainlookupend": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "domainLookupEnd",
"slug": "API/PerformanceResourceTiming/domainLookupEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/domainLookupEnd",
"summary": "The domainLookupEnd read-only property returns the timestamp immediately after the browser finishes the domain-name lookup for the resource.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: domainLookupEnd property"
}
],
"dom-performanceresourcetiming-domainlookupstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "domainLookupStart",
"slug": "API/PerformanceResourceTiming/domainLookupStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/domainLookupStart",
"summary": "The domainLookupStart read-only property returns the timestamp immediately before the browser starts the domain name lookup for the resource.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: domainLookupStart property"
}
],
"dom-performanceresourcetiming-encodedbodysize": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "encodedBodySize",
"slug": "API/PerformanceResourceTiming/encodedBodySize",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/encodedBodySize",
"summary": "The encodedBodySize read-only property represents the size (in octets) received from the fetch (HTTP or cache) of the payload body before removing any applied content encodings (like gzip or Brotli). If the resource is retrieved from an application cache or a local resource, it must return the size of the payload body before removing any applied content encoding.",
"support": {
"chrome": {
"version_added": "54"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "45"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: encodedBodySize property"
}
],
"dom-performanceresourcetiming-fetchstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "fetchStart",
"slug": "API/PerformanceResourceTiming/fetchStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/fetchStart",
"summary": "The fetchStart read-only property represents a timestamp immediately before the browser starts to fetch the resource.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: fetchStart property"
}
],
"dom-performanceresourcetiming-initiatortype": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "initiatorType",
"slug": "API/PerformanceResourceTiming/initiatorType",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/initiatorType",
"summary": "The initiatorType read-only property is a string representing web platform feature that initiated the resource load.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: initiatorType property"
}
],
"dom-performanceresourcetiming-nexthopprotocol": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "nextHopProtocol",
"slug": "API/PerformanceResourceTiming/nextHopProtocol",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/nextHopProtocol",
"summary": "The nextHopProtocol read-only property is a string representing the network protocol used to fetch the resource, as identified by the ALPN Protocol ID (RFC7301).",
"support": {
"chrome": {
"version_added": "61"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "45"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: nextHopProtocol property"
}
],
"dom-performanceresourcetiming-redirectend": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "redirectEnd",
"slug": "API/PerformanceResourceTiming/redirectEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/redirectEnd",
"summary": "The redirectEnd read-only property returns a timestamp immediately after receiving the last byte of the response of the last redirect.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: redirectEnd property"
}
],
"dom-performanceresourcetiming-redirectstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "redirectStart",
"slug": "API/PerformanceResourceTiming/redirectStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/redirectStart",
"summary": "The redirectStart read-only property returns a timestamp representing the start time of the fetch which that initiates the redirect.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: redirectStart property"
}
],
"dom-performanceresourcetiming-renderblockingstatus": [
{
"engines": [
"blink"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "renderBlockingStatus",
"slug": "API/PerformanceResourceTiming/renderBlockingStatus",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/renderBlockingStatus",
"summary": "The renderBlockingStatus read-only property returns the render-blocking status of the resource.",
"support": {
"chrome": {
"version_added": "107"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "107"
}
},
"title": "PerformanceResourceTiming: renderBlockingStatus property"
}
],
"dom-performanceresourcetiming-requeststart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "requestStart",
"slug": "API/PerformanceResourceTiming/requestStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/requestStart",
"summary": "The requestStart read-only property returns a timestamp of the time immediately before the browser starts requesting the resource from the server, cache, or local resource. If the transport connection fails and the browser retires the request, the value returned will be the start of the retry request.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: requestStart property"
}
],
"dom-performanceresourcetiming-responseend": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "responseEnd",
"slug": "API/PerformanceResourceTiming/responseEnd",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/responseEnd",
"summary": "The responseEnd read-only property returns a timestamp immediately after the browser receives the last byte of the resource or immediately before the transport connection is closed, whichever comes first.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: responseEnd property"
}
],
"dom-performanceresourcetiming-responsestart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "responseStart",
"slug": "API/PerformanceResourceTiming/responseStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/responseStart",
"summary": "The responseStart read-only property returns a timestamp immediately after the browser receives the first byte of the response from the server, cache, or local resource.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "12"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": "10"
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: responseStart property"
}
],
"dom-performanceresourcetiming-responsestatus": [
{
"engines": [
"blink"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "responseStatus",
"slug": "API/PerformanceResourceTiming/responseStatus",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/responseStatus",
"summary": "The responseStatus read-only property represents the HTTP response status code returned when fetching the resource.",
"support": {
"chrome": {
"version_added": "109"
},
"chrome_android": "mirror",
"edge": "mirror",
"firefox": {
"version_added": false
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": false
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "109"
}
},
"title": "PerformanceResourceTiming: responseStatus property"
}
],
"dom-performanceresourcetiming-secureconnectionstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "secureConnectionStart",
"slug": "API/PerformanceResourceTiming/secureConnectionStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/secureConnectionStart",
"summary": "The secureConnectionStart read-only property returns a timestamp immediately before the browser starts the handshake process to secure the current connection. If a secure connection is not used, the property returns zero.",
"support": {
"chrome": {
"version_added": "43"
},
"chrome_android": "mirror",
"edge": {
"version_added": "18"
},
"firefox": {
"version_added": "31"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: secureConnectionStart property"
}
],
"dom-performanceresourcetiming-tojson": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "toJSON",
"slug": "API/PerformanceResourceTiming/toJSON",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/toJSON",
"summary": "The toJSON() method of the PerformanceResourceTiming interface is a serializer; it returns a JSON representation of the PerformanceResourceTiming object.",
"support": {
"chrome": {
"version_added": "45"
},
"chrome_android": "mirror",
"edge": {
"version_added": "16"
},
"firefox": {
"version_added": "34"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: toJSON() method"
}
],
"dom-performanceresourcetiming-transfersize": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "transferSize",
"slug": "API/PerformanceResourceTiming/transferSize",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/transferSize",
"summary": "The transferSize read-only property represents the size (in octets) of the fetched resource. The size includes the response header fields plus the response payload body (as defined by RFC7230).",
"support": {
"chrome": {
"version_added": "54"
},
"chrome_android": "mirror",
"edge": {
"version_added": "17"
},
"firefox": {
"version_added": "45"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": "mirror",
"opera_android": "mirror",
"safari": {
"version_added": "16.4"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: transferSize property"
}
],
"dom-performanceresourcetiming-workerstart": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "workerStart",
"slug": "API/PerformanceResourceTiming/workerStart",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming/workerStart",
"summary": "The workerStart read-only property of the PerformanceResourceTiming interface returns a DOMHighResTimeStamp immediately before dispatching the FetchEvent if a Service Worker thread is already running, or immediately before starting the Service Worker thread if it is not already running. If the resource is not intercepted by a Service Worker the property will always return 0.",
"support": {
"chrome": {
"version_added": "46"
},
"chrome_android": "mirror",
"edge": {
"version_added": "16"
},
"firefox": {
"version_added": "58"
},
"firefox_android": "mirror",
"ie": {
"version_added": false
},
"oculus": "mirror",
"opera": {
"version_added": "32"
},
"opera_android": {
"version_added": "32"
},
"safari": {
"version_added": "11"
},
"safari_ios": "mirror",
"samsunginternet_android": "mirror",
"webview_android": "mirror",
"edge_blink": {
"version_added": "79"
}
},
"title": "PerformanceResourceTiming: workerStart property"
}
],
"resources-included-in-the-performanceresourcetiming-interface": [
{
"engines": [
"blink",
"gecko",
"webkit"
],
"filename": "api/PerformanceResourceTiming.json",
"name": "PerformanceResourceTiming",
"slug": "API/PerformanceResourceTiming",
"mdn_url": "https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming",
"summary": "The PerformanceResourceTiming interface enables retrieval and analysis of detailed network timing data regarding the loading of an application's resources. An application can use the timing metrics to determine, for example, the length of time it takes to fetch a specific resource, such as an XMLHttpRequest,