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 / webtransport

Spec: WebTransport ↗

Runs: Chrome 155.0.8039.0 (wpt@3f6b09ae3, 2026-09-03) | Firefox 157.0a1 (wpt@3f6b09ae3, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

Area	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
Total	86.6%1019/1177	77.9%917/1177	0.3%4/1177	0.3%3/1177	0.3%3/1177	0.0%0/1177

Test	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
back-forward-cache-with-closed-webtransport-connection-ccns.https.tentative.window.html	FAIL	FAIL	FAIL	FAIL	FAIL	NOT RUN
back-forward-cache-with-closed-webtransport-connection.https.window.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
back-forward-cache-with-open-webtransport-connection-ccns.https.tentative.window.html	FAIL	FAIL	FAIL	FAIL	FAIL	NOT RUN
back-forward-cache-with-open-webtransport-connection.https.window.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
bidirectional-cancel-crash.https.html	PASS	PASS	TIMEOUT	TIMEOUT	TIMEOUT	NOT RUN
close.https.any.html	8/12	12/12	0/12	0/12	0/12	NOT RUN
close.https.any.serviceworker.html	8/12	12/12	0/12	0/12	0/12	NOT RUN
close.https.any.sharedworker.html	8/12	12/12	0/12	0/12	0/12	NOT RUN
close.https.any.worker.html	8/12	12/12	0/12	0/12	0/12	NOT RUN
congestion-control.https.any.html	4/4	4/4	0/4	0/4	0/4	NOT RUN
congestion-control.https.any.serviceworker.html	4/4	4/4	0/4	0/4	0/4	NOT RUN
congestion-control.https.any.sharedworker.html	4/4	4/4	0/4	0/4	0/4	NOT RUN
congestion-control.https.any.worker.html	4/4	4/4	0/4	0/4	0/4	NOT RUN
connect.https.any.html	15/15	15/15	0/15	0/15	0/15	NOT RUN
connect.https.any.serviceworker.html	15/15	15/15	0/15	0/15	0/15	NOT RUN
connect.https.any.sharedworker.html	15/15	15/15	0/15	0/15	0/15	NOT RUN
connect.https.any.worker.html	15/15	15/15	0/15	0/15	0/15	NOT RUN
constructor.https.sub.any.html	29/29	29/29	0/29	0/29	0/29	NOT RUN
constructor.https.sub.any.serviceworker.html	29/29	29/29	0/29	0/29	0/29	NOT RUN
constructor.https.sub.any.sharedworker.html	29/29	29/29	0/29	0/29	0/29	NOT RUN
constructor.https.sub.any.worker.html	29/29	29/29	0/29	0/29	0/29	NOT RUN
csp-fail.https.window.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
csp-pass.https.window.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
datagram-bad-chunk.https.any.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
datagram-bad-chunk.https.any.serviceworker.html	PASS	PASS	FAIL	ERROR	ERROR	NOT RUN
datagram-bad-chunk.https.any.sharedworker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
datagram-bad-chunk.https.any.worker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
datagram-cancel-crash.https.sub.window.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
datagrams-writable.https.any.html	12/12	11/12	0/12	0/12	0/12	NOT RUN
datagrams.https.any.html	9/11	4/11	0/11	0/11	0/11	NOT RUN
datagrams.https.any.serviceworker.html	9/11	4/11	0/11	0/11	0/11	NOT RUN
datagrams.https.any.sharedworker.html	9/11	4/11	0/11	0/11	0/11	NOT RUN
datagrams.https.any.worker.html	9/11	4/11	0/11	0/11	0/11	NOT RUN
draining.https.any.html	8/8	3/8	0/8	0/8	0/8	NOT RUN
draining.https.any.serviceworker.html	8/8	3/8	0/8	0/8	0/8	NOT RUN
draining.https.any.sharedworker.html	8/8	3/8	0/8	0/8	0/8	NOT RUN
draining.https.any.worker.html	8/8	3/8	0/8	0/8	0/8	NOT RUN
echo-large-bidirectional-streams.https.any.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
echo-large-bidirectional-streams.https.any.serviceworker.html	PASS	PASS	FAIL	ERROR	ERROR	NOT RUN
echo-large-bidirectional-streams.https.any.sharedworker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
echo-large-bidirectional-streams.https.any.worker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
export-keying-material.https.any.html	0/12	12/12	0/12	0/12	0/12	NOT RUN
export-keying-material.https.any.serviceworker.html	0/12	12/12	0/12	0/12	0/12	NOT RUN
export-keying-material.https.any.sharedworker.html	0/12	12/12	0/12	0/12	0/12	NOT RUN
export-keying-material.https.any.worker.html	0/12	12/12	0/12	0/12	0/12	NOT RUN
headers.https.any.html	21/21	1/21	0/21	0/21	0/21	NOT RUN
headers.https.any.serviceworker.html	21/21	1/21	0/21	0/21	0/21	NOT RUN
headers.https.any.sharedworker.html	21/21	1/21	0/21	0/21	0/21	NOT RUN
headers.https.any.worker.html	21/21	1/21	0/21	0/21	0/21	NOT RUN
historical.https.sub.any.html	0/3	0/3	0/3	0/3	0/3	NOT RUN
historical.https.sub.any.serviceworker.html	0/3	0/3	0/3	0/3	0/3	NOT RUN
historical.https.sub.any.sharedworker.html	0/3	0/3	0/3	0/3	0/3	NOT RUN
historical.https.sub.any.worker.html	0/3	0/3	0/3	0/3	0/3	NOT RUN
idlharness.https.sub.any.html	106/121	102/121	1/121	1/121	1/121	NOT RUN
idlharness.https.sub.any.serviceworker.html	106/121	102/121	1/121	0/121	0/121	NOT RUN
idlharness.https.sub.any.sharedworker.html	106/121	102/121	1/121	1/121	1/121	NOT RUN
idlharness.https.sub.any.worker.html	106/121	102/121	1/121	1/121	1/121	NOT RUN
in-removed-iframe.https.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
incoming-multiple-streams.https.any.html	2/2	2/2	0/2	0/2	0/2	NOT RUN
incoming-multiple-streams.https.any.serviceworker.html	2/2	2/2	0/2	0/2	0/2	NOT RUN
incoming-multiple-streams.https.any.sharedworker.html	2/2	2/2	0/2	0/2	0/2	NOT RUN
incoming-multiple-streams.https.any.worker.html	2/2	2/2	0/2	0/2	0/2	NOT RUN
receive-stream-pull.https.any.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
receive-stream-pull.https.any.serviceworker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
receive-stream-pull.https.any.sharedworker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
receive-stream-pull.https.any.worker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
sendgroup.https.any.html	12/13	13/13	0/13	0/13	0/13	NOT RUN
sendgroup.https.any.serviceworker.html	12/13	13/13	0/13	0/13	0/13	NOT RUN
sendgroup.https.any.sharedworker.html	12/13	13/13	0/13	0/13	0/13	NOT RUN
sendgroup.https.any.worker.html	12/13	13/13	0/13	0/13	0/13	NOT RUN
sendorder.https.any.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
sendorder.https.any.serviceworker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
sendorder.https.any.sharedworker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
sendorder.https.any.worker.html	3/3	3/3	0/3	0/3	0/3	NOT RUN
sendstream-bad-chunk.https.any.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
sendstream-bad-chunk.https.any.serviceworker.html	PASS	PASS	FAIL	ERROR	ERROR	NOT RUN
sendstream-bad-chunk.https.any.sharedworker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
sendstream-bad-chunk.https.any.worker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
server-certificate-hashes.https.any.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
server-certificate-hashes.https.any.serviceworker.html	PASS	PASS	FAIL	ERROR	ERROR	NOT RUN
server-certificate-hashes.https.any.sharedworker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
server-certificate-hashes.https.any.worker.html	PASS	PASS	FAIL	FAIL	FAIL	NOT RUN
stats.https.any.html	8/8	0/8	0/8	0/8	0/8	NOT RUN
stats.https.any.serviceworker.html	8/8	0/8	0/8	0/8	0/8	NOT RUN
stats.https.any.sharedworker.html	8/8	0/8	0/8	0/8	0/8	NOT RUN
stats.https.any.worker.html	8/8	0/8	0/8	0/8	0/8	NOT RUN
streams-close.https.any.html	10/10	8/10	0/10	0/10	0/10	NOT RUN
streams-close.https.any.serviceworker.html	10/10	8/10	0/10	0/10	0/10	NOT RUN
streams-close.https.any.sharedworker.html	10/10	8/10	0/10	0/10	0/10	NOT RUN
streams-close.https.any.worker.html	10/10	8/10	0/10	0/10	0/10	NOT RUN
streams-echo.https.any.html	8/10	10/10	0/10	0/10	0/10	NOT RUN
streams-echo.https.any.serviceworker.html	8/10	10/10	0/10	0/10	0/10	NOT RUN
streams-echo.https.any.sharedworker.html	8/10	10/10	0/10	0/10	0/10	NOT RUN
streams-echo.https.any.worker.html	8/10	10/10	0/10	0/10	0/10	NOT RUN