WPT
wpt / server-timing / idlharness.https.any.html
Spec: Server Timing ↗
Runs: Chrome 155.0.8039.0 (wpt@508cc6a62, 2026-09-03) | Firefox 157.0a1 (wpt@508cc6a62, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@8fdda8ce4, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
View on the Blitz WPT dashboard | Open test on wpt.live | wpt.fyi
| Chrome | Firefox | Safari | Ladybird | Servo | Blitz | |
|---|---|---|---|---|---|---|
| Total | 92/97 | 82/97 | 88/97 | 1/97 | 1/97 | NOT RUN |
| Subtest | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| idl_test setup | PASS | PASS | PASS | TIMEOUT | TIMEOUT | — |
| idl_test validation | PASS | PASS | PASS | PASS | PASS | — |
| Partial interface Performance: original interface defined | PASS | PASS | PASS | — | — | — |
| Partial interface Performance: member names are unique | PASS | PASS | PASS | — | — | — |
| Partial interface PerformanceResourceTiming: original interface defined | PASS | PASS | PASS | — | — | — |
| Partial interface PerformanceResourceTiming: valid exposure set | PASS | PASS | PASS | — | — | — |
| Partial interface PerformanceResourceTiming: member names are unique | PASS | PASS | PASS | — | — | — |
| Partial interface Performance[2]: member names are unique | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: existence and properties of interface object | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface object length | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface object name | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: existence and properties of interface prototype object | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute initiatorType | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute deliveryType | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute nextHopProtocol | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute workerStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute redirectStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute redirectEnd | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute fetchStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute domainLookupStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute domainLookupEnd | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute connectStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute connectEnd | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute secureConnectionStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute requestStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute finalResponseHeadersStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute firstInterimResponseStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute responseStart | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute responseEnd | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute workerRouterEvaluationStart | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute workerCacheLookupStart | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute workerMatchedRouterSource | FAIL | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute workerFinalRouterSource | FAIL | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute transferSize | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute encodedBodySize | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute decodedBodySize | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute responseStatus | PASS | PASS | FAIL | — | — | — |
| PerformanceResourceTiming interface: attribute renderBlockingStatus | PASS | FAIL | FAIL | — | — | — |
| PerformanceResourceTiming interface: attribute contentType | PASS | PASS | FAIL | — | — | — |
| PerformanceResourceTiming interface: attribute contentEncoding | PASS | FAIL | FAIL | — | — | — |
| PerformanceResourceTiming interface: operation toJSON() | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: attribute serverTiming | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming must be primary interface of resource | PASS | PASS | PASS | — | — | — |
| Stringification of resource | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "initiatorType" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "deliveryType" with the proper type | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "nextHopProtocol" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "workerStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "redirectStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "redirectEnd" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "fetchStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "domainLookupStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "domainLookupEnd" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "connectStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "connectEnd" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "secureConnectionStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "requestStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "finalResponseHeadersStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "firstInterimResponseStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "responseStart" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "responseEnd" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "workerRouterEvaluationStart" with the proper type | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "workerCacheLookupStart" with the proper type | PASS | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "workerMatchedRouterSource" with the proper type | FAIL | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "workerFinalRouterSource" with the proper type | FAIL | FAIL | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "transferSize" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "encodedBodySize" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "decodedBodySize" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "responseStatus" with the proper type | PASS | PASS | FAIL | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "renderBlockingStatus" with the proper type | PASS | FAIL | FAIL | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "contentType" with the proper type | PASS | PASS | FAIL | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "contentEncoding" with the proper type | PASS | FAIL | FAIL | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "toJSON()" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceResourceTiming interface: default toJSON operation on resource | FAIL | FAIL | FAIL | — | — | — |
| PerformanceResourceTiming interface: resource must inherit property "serverTiming" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: existence and properties of interface object | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface object length | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface object name | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: existence and properties of interface prototype object | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: existence and properties of interface prototype object's "constructor" property | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: existence and properties of interface prototype object's @@unscopables property | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: attribute name | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: attribute duration | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: attribute description | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: operation toJSON() | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming must be primary interface of server | PASS | PASS | PASS | — | — | — |
| Stringification of server | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: server must inherit property "name" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: server must inherit property "duration" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: server must inherit property "description" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: server must inherit property "toJSON()" with the proper type | PASS | PASS | PASS | — | — | — |
| PerformanceServerTiming interface: default toJSON operation on server | PASS | PASS | PASS | — | — | — |
| Performance interface: operation clearResourceTimings() | PASS | PASS | PASS | — | — | — |
| Performance interface: operation setResourceTimingBufferSize(unsigned long) | PASS | PASS | PASS | — | — | — |
| Performance interface: attribute onresourcetimingbufferfull | PASS | PASS | PASS | — | — | — |