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WPT

This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.

wpt / webrtc

Spec: WebRTC ↗

Runs: Chrome 155.0.8038.0 (wpt@397d01d8e, 2026-09-02) | Firefox 157.0a1 (wpt@397d01d8e, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-5f6fa (wpt@b1a7025f8, 2026-09-02) | Servo Servo 0.5 (wpt@2ccd2cbf8, 2026-09-01) | Blitz 7727414ca (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total87.7%2094/238994.4%2255/238987.1%2081/23891.0%24/23891.1%26/23890.0%0/2389
legacy86.2%25/2993.1%27/2927.6%8/290.0%0/290.0%0/290.0%0/29
protocol83.1%113/13673.5%100/13680.9%110/1360.0%0/1360.0%0/1360.0%0/136
simulcast45.8%22/48100.0%48/4843.8%21/480.0%0/480.0%0/480.0%0/48
TestChromeFirefoxSafariLadybirdServoBlitz
RTCCertificate-postMessage.html2/32/33/30/30/3NOT RUN
RTCCertificate.html4/54/54/50/50/5NOT RUN
RTCConfiguration-bundlePolicy.html17/1818/1817/180/180/18NOT RUN
RTCConfiguration-certificates.htmlPASSPASSPASSFAILFAILNOT RUN
RTCConfiguration-iceCandidatePoolSize.html9/90/99/90/90/9NOT RUN
RTCConfiguration-iceServers.html?interop-20266/66/66/60/60/6NOT RUN
RTCConfiguration-iceServers.html?rest86/114114/11466/1140/1140/114NOT RUN
RTCConfiguration-iceTransportPolicy.html?interop-20263/33/33/30/30/3NOT RUN
RTCConfiguration-iceTransportPolicy.html?rest15/1919/1915/190/190/19NOT RUN
RTCConfiguration-rtcpMuxPolicy.html10/1010/1010/100/100/10NOT RUN
RTCConfiguration-validation.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDTMFSender-insertDTMF.https.html7/77/77/70/70/7NOT RUN
RTCDTMFSender-ontonechange-long.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDTMFSender-ontonechange.https.html14/1414/1414/140/140/14NOT RUN
RTCDataChannel-GC.html2/21/22/20/20/2NOT RUN
RTCDataChannel-binaryType.window.html10/1010/1010/100/100/10NOT RUN
RTCDataChannel-bufferedAmount.html30/3030/3030/300/300/30NOT RUN
RTCDataChannel-close.html12/1210/1212/120/120/12NOT RUN
RTCDataChannel-iceRestart.html2/22/22/20/20/2NOT RUN
RTCDataChannel-id.html5/55/55/50/50/5NOT RUN
RTCDataChannel-send-blob-order.html2/22/22/20/20/2NOT RUN
RTCDataChannel-send-close-array-buffer-negotiated.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send-close-array-buffer.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send-close-blob-negotiated.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send-close-blob.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send-close-string-negotiated.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send-close-string.window.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDataChannel-send.html26/2727/2726/270/270/27NOT RUN
RTCDataChannel-worker-GC.html0/21/20/20/20/2NOT RUN
RTCDataChannelEvent-constructor.html4/44/44/40/40/4NOT RUN
RTCDataChannelInit-maxPacketLifeTime-enforce-range.html17/1717/1717/170/170/17NOT RUN
RTCDataChannelInit-maxRetransmits-enforce-range.html17/1717/1717/170/170/17NOT RUN
RTCDtlsTransport-getRemoteCertificates.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDtlsTransport-getRemoteCertificates.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCDtlsTransport-onerror.htmlTIMEOUTPASSTIMEOUTFAILFAILNOT RUN
RTCDtlsTransport-state.html4/44/44/40/40/4NOT RUN
RTCError.html?interop-202620/2121/2121/210/210/21NOT RUN
RTCError.html?restTIMEOUTTIMEOUTTIMEOUTTIMEOUTTIMEOUTNOT RUN
RTCIceCandidate-constructor.html45/6561/6545/650/650/65NOT RUN
RTCIceConnectionState-candidate-pair.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCIceTransport.html?interop-20263/33/33/30/30/3NOT RUN
RTCIceTransport.html?rest9/1612/168/160/160/16NOT RUN
RTCPeerConnection-GC.https.html2/22/22/20/20/2NOT RUN
RTCPeerConnection-SLD-SRD-timing.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-add-track-no-deadlock.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-addIceCandidate-connectionSetup.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-addIceCandidate-timing.https.html4/44/44/40/40/4NOT RUN
RTCPeerConnection-addIceCandidate.html?interop-20262/22/22/20/20/2NOT RUN
RTCPeerConnection-addIceCandidate.html?rest23/3434/3423/340/340/34NOT RUN
RTCPeerConnection-addTcpIceCandidate.html63/8381/8363/830/830/83NOT RUN
RTCPeerConnection-addTrack.https.html12/1212/1212/120/120/12NOT RUN
RTCPeerConnection-addTransceiver-renegotiation.https.html4/44/44/40/40/4NOT RUN
RTCPeerConnection-addTransceiver.https.html?interop-20264/44/44/40/40/4NOT RUN
RTCPeerConnection-addTransceiver.https.html?rest14/1716/1714/170/170/17NOT RUN
RTCPeerConnection-canTrickleIceCandidates.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-candidate-in-sdp.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-capture-video.https.htmlTIMEOUTPASSFAILFAILFAILNOT RUN
RTCPeerConnection-certificateStats.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-connectionState.https.html8/88/88/80/80/8NOT RUN
RTCPeerConnection-constructor.html22/2221/2222/220/220/22NOT RUN
RTCPeerConnection-createAnswer.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-createDataChannel.html?interop-20264/44/44/40/40/4NOT RUN
RTCPeerConnection-createDataChannel.html?rest48/4848/4848/480/480/48NOT RUN
RTCPeerConnection-createOffer.html?interop-20263/44/44/40/40/4NOT RUN
RTCPeerConnection-createOffer.html?rest3/44/43/40/40/4NOT RUN
RTCPeerConnection-description-attributes-timing.https.html4/44/44/40/40/4NOT RUN
RTCPeerConnection-explicit-rollback-iceGatheringState.html6/66/66/60/60/6NOT RUN
RTCPeerConnection-generateCertificate.html11/1111/1111/110/110/11NOT RUN
RTCPeerConnection-getStats-timestamp.https.html2/22/22/20/20/2NOT RUN
RTCPeerConnection-getStats.https.html?interop-202613/1313/1313/130/130/13NOT RUN
RTCPeerConnection-getStats.https.html?rest5/55/55/50/50/5NOT RUN
RTCPeerConnection-getTransceivers.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-helper-test.html2/21/21/20/20/2NOT RUN
RTCPeerConnection-iceConnectionState-disconnected.https.html1/22/21/20/20/2NOT RUN
RTCPeerConnection-iceConnectionState.https.html14/1414/1414/140/140/14NOT RUN
RTCPeerConnection-iceGatheringState.html?interop-20262/22/22/20/20/2NOT RUN
RTCPeerConnection-iceGatheringState.html?rest7/99/97/90/90/9NOT RUN
RTCPeerConnection-mandatory-getStats.https.html73/7371/7373/730/730/73NOT RUN
RTCPeerConnection-ondatachannel.html8/88/88/80/80/8NOT RUN
RTCPeerConnection-onicecandidateerror.https.html1/22/20/20/20/2NOT RUN
RTCPeerConnection-onnegotiationneeded.html24/2424/2424/240/240/24NOT RUN
RTCPeerConnection-onsignalingstatechanged.https.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-ontrack.https.html9/99/99/90/90/9NOT RUN
RTCPeerConnection-operations.https.html?interop-20264/1818/1818/180/180/18NOT RUN
RTCPeerConnection-operations.https.html?rest7/1010/107/102/102/10NOT RUN
RTCPeerConnection-perfect-negotiation-stress-glare-linear.https.html2/22/22/20/20/2NOT RUN
RTCPeerConnection-perfect-negotiation-stress-glare.https.html2/22/22/20/20/2NOT RUN
RTCPeerConnection-perfect-negotiation.https.html4/44/44/40/40/4NOT RUN
RTCPeerConnection-plan-b-is-not-supported.htmlPASSPASSPASSPASSPASSNOT RUN
RTCPeerConnection-relay-canvas.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-remote-track-currentTime.https.html4/44/44/40/40/4NOT RUN
RTCPeerConnection-remote-track-mute.https.html4/64/64/60/60/6NOT RUN
RTCPeerConnection-remote-track-properties.https.html?interop-20264/44/44/40/40/4NOT RUN
RTCPeerConnection-remote-track-properties.https.html?rest4/44/44/40/40/4NOT RUN
RTCPeerConnection-removeTrack.https.html14/1414/1414/140/140/14NOT RUN
RTCPeerConnection-restartIce-onnegotiationneeded.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-restartIce.https.html25/2826/2825/280/280/28NOT RUN
RTCPeerConnection-setDescription-transceiver.html6/66/66/60/60/6NOT RUN
RTCPeerConnection-setLocalDescription-answer.html7/77/76/70/70/7NOT RUN
RTCPeerConnection-setLocalDescription-offer.html?interop-2026PASSPASSFAILFAILFAILNOT RUN
RTCPeerConnection-setLocalDescription-offer.html?rest7/77/77/70/70/7NOT RUN
RTCPeerConnection-setLocalDescription-parameterless.https.html?interop-2026FAILPASSPASSFAILFAILNOT RUN
RTCPeerConnection-setLocalDescription-parameterless.https.html?rest12/1210/1212/120/120/12NOT RUN
RTCPeerConnection-setLocalDescription-pranswer.html4/40/44/40/40/4NOT RUN
RTCPeerConnection-setLocalDescription-rollback.html5/66/65/60/60/6NOT RUN
RTCPeerConnection-setLocalDescription.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-setRemoteDescription-answer.html3/33/33/30/30/3NOT RUN
RTCPeerConnection-setRemoteDescription-nomsid.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-setRemoteDescription-offer.html?interop-20260/22/22/20/20/2NOT RUN
RTCPeerConnection-setRemoteDescription-offer.html?rest10/1312/139/130/130/13NOT RUN
RTCPeerConnection-setRemoteDescription-pranswer.html4/40/44/40/40/4NOT RUN
RTCPeerConnection-setRemoteDescription-replaceTrack.https.html6/66/66/60/60/6NOT RUN
RTCPeerConnection-setRemoteDescription-rollback.html?interop-20262/22/22/20/20/2NOT RUN
RTCPeerConnection-setRemoteDescription-rollback.html?rest19/2020/2019/200/200/20NOT RUN
RTCPeerConnection-setRemoteDescription-simulcast.https.htmlFAILPASSFAILFAILFAILNOT RUN
RTCPeerConnection-setRemoteDescription-tracks.https.html14/1414/1414/140/140/14NOT RUN
RTCPeerConnection-setRemoteDescription.html6/77/76/70/70/7NOT RUN
RTCPeerConnection-transceivers.https.html44/4444/4444/440/440/44NOT RUN
RTCPeerConnection-transport-stats.https.html2/22/22/20/20/2NOT RUN
RTCPeerConnection-video-element-loadedmetadata-event.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnection-videoDetectorTest.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnectionIceErrorEvent.htmlPASSPASSPASSFAILFAILNOT RUN
RTCPeerConnectionIceEvent-constructor.html6/86/88/80/80/8NOT RUN
RTCRtpEncodingParameters-codec-opus-stereo.https.html0/20/20/20/20/2NOT RUN
RTCRtpParameters-codec.html?interop-202619/1919/1919/190/190/19NOT RUN
RTCRtpParameters-codec.html?rest2/32/32/30/30/3NOT RUN
RTCRtpParameters-codecs.html?interop-202618/1818/1818/180/180/18NOT RUN
RTCRtpParameters-codecs.html?rest4/2016/204/200/200/20NOT RUN
RTCRtpParameters-encodings.html?interop-202613/1313/1313/130/130/13NOT RUN
RTCRtpParameters-encodings.html?rest25/3131/3124/310/310/31NOT RUN
RTCRtpParameters-headerExtensions.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpParameters-maxFramerate.html15/1515/1515/150/150/15NOT RUN
RTCRtpParameters-rtcp.html2/22/22/20/20/2NOT RUN
RTCRtpParameters-transactionId.html?interop-20262/22/22/20/20/2NOT RUN
RTCRtpParameters-transactionId.html?rest3/66/63/60/60/6NOT RUN
RTCRtpReceiver-audio-jitterBufferTarget-stats.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpReceiver-getCapabilities.html3/33/33/30/30/3NOT RUN
RTCRtpReceiver-getContributingSources.https.html2/22/22/20/20/2NOT RUN
RTCRtpReceiver-getParameters.html?interop-20263/33/33/30/30/3NOT RUN
RTCRtpReceiver-getParameters.html?restFAILPASSFAILFAILFAILNOT RUN
RTCRtpReceiver-getStats.https.html?interop-20264/44/44/40/40/4NOT RUN
RTCRtpReceiver-getStats.https.html?restFAILFAILFAILFAILFAILNOT RUN
RTCRtpReceiver-getSynchronizationSources.https.html0/1313/1313/130/130/13NOT RUN
RTCRtpReceiver-jitterBufferTarget.html12/1212/1212/120/120/12NOT RUN
RTCRtpReceiver-track-settings.tentative.htmlFAILPASSFAILFAILFAILNOT RUN
RTCRtpReceiver-video-anyCodec.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpReceiver-video-jitterBufferTarget-stats.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpReceiver.https.html8/88/88/80/80/8NOT RUN
RTCRtpSender-encode-same-track-twice.https.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpSender-getCapabilities.html3/33/33/30/30/3NOT RUN
RTCRtpSender-getParameters.htmlPASSPASSPASSFAILFAILNOT RUN
RTCRtpSender-getStats.https.html5/54/55/50/50/5NOT RUN
RTCRtpSender-replaceTrack.https.html11/1111/1111/110/110/11NOT RUN
RTCRtpSender-setParameters-keyFrame.html2/20/20/20/20/2NOT RUN
RTCRtpSender-setParameters.html?interop-20261/21/21/20/20/2NOT RUN
RTCRtpSender-setParameters.html?rest1/32/31/30/30/3NOT RUN
RTCRtpSender-setStreams.https.html5/55/55/50/50/5NOT RUN
RTCRtpSender-transport.https.html8/88/88/80/80/8NOT RUN
RTCRtpSender.https.html9/99/99/90/90/9NOT RUN
RTCRtpTransceiver-direction.html3/33/33/30/30/3NOT RUN
RTCRtpTransceiver-setCodecPreferences.html?interop-20267/77/77/70/70/7NOT RUN
RTCRtpTransceiver-setCodecPreferences.html?rest17/1717/1717/170/170/17NOT RUN
RTCRtpTransceiver-stop.html9/99/99/90/90/9NOT RUN
RTCRtpTransceiver-stopping.https.html?interop-20266/66/66/60/60/6NOT RUN
RTCRtpTransceiver-stopping.https.html?rest6/1010/106/100/100/10NOT RUN
RTCRtpTransceiver.https.html?interop-202612/1212/1212/120/120/12NOT RUN
RTCRtpTransceiver.https.html?rest31/3434/3433/340/340/34NOT RUN
RTCSctpTransport-constructor.html4/44/44/40/40/4NOT RUN
RTCSctpTransport-events.html2/22/22/20/20/2NOT RUN
RTCSctpTransport-maxChannels.html?interop-20262/22/22/20/20/2NOT RUN
RTCSctpTransport-maxChannels.html?rest1/44/41/40/40/4NOT RUN
RTCSctpTransport-maxMessageSize.html7/77/76/70/70/7NOT RUN
RTCTrackEvent-constructor.html7/77/77/70/70/7NOT RUN
RTCTrackEvent-fire.html9/99/99/90/90/9NOT RUN
RollbackEvents.https.html8/88/88/80/80/8NOT RUN
back-forward-cache-with-closed-webrtc-connection-ccns.https.tentative.window.htmlFAILFAILFAILFAILFAILNOT RUN
back-forward-cache-with-closed-webrtc-connection.https.window.htmlPASSPASSPASSFAILFAILNOT RUN
back-forward-cache-with-open-webrtc-connection-ccns.https.tentative.window.htmlFAILFAILFAILFAILFAILNOT RUN
back-forward-cache-with-open-webrtc-connection.https.window.htmlPASSPASSFAILFAILFAILNOT RUN
getstats.htmlPASSPASSPASSFAILFAILNOT RUN
historical.html?interop-20260/55/55/51/51/5NOT RUN
historical.html?rest8/168/1614/164/164/16NOT RUN
idlharness.https.window.html?exclude=(RTCSessionDescription|RTCPeerConnectionIceErrorEvent|RTCRtpReceiver|RTCDtlsTransport|RTCIceTransport|RTCDTMFToneChangeEvent|RTCError|RTCErrorEvent)364/379373/379362/37914/37915/379NOT RUN
idlharness.https.window.html?include=(RTCSessionDescription|RTCPeerConnectionIceErrorEvent|RTCRtpReceiver|RTCDtlsTransport|RTCIceTransport|RTCDTMFToneChangeEvent|RTCError|RTCErrorEvent)130/141125/141124/1412/1413/141NOT RUN
no-media-call.htmlPASSPASSPASSERRORERRORNOT RUN
outbound-rtp-encoding-index.https.html3/31/31/30/30/3NOT RUN
promises-call.htmlPASSPASSPASSFAILFAILNOT RUN
receiver-track-live.https.html4/44/44/40/40/4NOT RUN
recvonly-transceiver-can-become-sendrecv.https.html2/22/22/20/20/2NOT RUN
rtp-stats-lifetime.https.html10/1110/1111/110/110/11NOT RUN
simplecall-no-ssrcs.https.htmlPASSPASSPASSFAILFAILNOT RUN
simplecall.https.htmlPASSPASSPASSFAILFAILNOT RUN
toJSON.html2/22/22/20/20/2NOT RUN
transfer-datachannel.html37/3737/3737/370/370/37NOT RUN