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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 / resource-timing

Spec: Resource Timing ↗

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
Total98.7%1171/118681.0%961/118635.2%417/118630.4%361/118620.9%248/11860.0%0/1186
initiator-type96.0%48/5074.0%37/5080.0%40/5048.0%24/5058.0%29/500.0%0/50
tentative100.0%73/730.0%0/730.0%0/730.0%0/730.0%0/730.0%0/73
TestChromeFirefoxSafariLadybirdServoBlitz
304-response-recorded.htmlPASSPASSPASSCRASHFAILNOT RUN
SO-XO-SO-redirect-chain-tao.https.html4/44/43/40/40/4NOT RUN
TAO-match.html60/6060/600/600/6024/60NOT RUN
TAO-port-mismatch-means-crossorigin.html2/22/21/20/21/2NOT RUN
body-size-cross-origin.https.html4/66/63/60/61/6NOT RUN
buffer-full-add-after-full-event.htmlPASSPASSPASSPASSTIMEOUTNOT RUN
buffer-full-add-entries-during-callback-that-drop.htmlPASSPASSPASSFAILPASSNOT RUN
buffer-full-add-entries-during-callback.htmlPASSPASSPASSFAILPASSNOT RUN
buffer-full-add-then-clear.htmlPASSFAILPASSCRASHPASSNOT RUN
buffer-full-decrease-buffer-during-callback.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-eventually.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
buffer-full-increase-buffer-during-callback.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-inspect-buffer-during-callback.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-set-to-current-buffer.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-store-and-clear-during-callback.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-then-decreased.htmlPASSPASSPASSPASSPASSNOT RUN
buffer-full-then-increased.htmlPASSFAILPASSCRASHFAILNOT RUN
buffer-full-when-populate-entries.htmlPASSERRORPASSPASSPASSNOT RUN
buffered-flag.any.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
buffered-flag.any.worker.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
cached-image-gets-single-entry.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
clear-resource-timings.htmlPASSPASSPASSPASSPASSNOT RUN
connection-reuse.html6/66/64/60/60/6NOT RUN
connection-reuse.https.html2/22/22/20/20/2NOT RUN
content-encoding.https.html29/290/290/290/290/29NOT RUN
content-type-minimization.html72/7246/720/720/720/72NOT RUN
content-type.html21/2121/210/215/210/21NOT RUN
cors-preflight.any.htmlPASSPASSFAILPASSFAILNOT RUN
cors-preflight.any.worker.htmlPASSPASSFAILPASSFAILNOT RUN
cross-origin-iframe.html2/22/21/20/21/2NOT RUN
cross-origin-redirects.html11/1111/1110/110/112/11NOT RUN
cross-origin-start-end-time-with-redirects.htmlPASSPASSPASSFAILFAILNOT RUN
cross-origin-status-codes.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
decoded-body-size-compressed.https.html8/88/86/80/80/8NOT RUN
delivery-type.tentative.any.html3/30/31/31/30/3NOT RUN
delivery-type.tentative.any.serviceworker.html3/30/31/30/30/3NOT RUN
delivery-type.tentative.any.sharedworker.html3/30/31/31/30/3NOT RUN
delivery-type.tentative.any.worker.html3/30/31/31/30/3NOT RUN
document-domain-no-impact-opener.htmlPASSPASSPASSFAILFAILNOT RUN
encoded-body-size-cached.https.html2/20/20/20/20/2NOT RUN
entries-for-network-errors.sub.https.html7/73/70/70/70/7NOT RUN
entry-attributes.html3/33/31/30/30/3NOT RUN
event-source-timing.htmlPASSPASSPASSPASSTIMEOUTNOT RUN
fetch-cross-origin-redirect.https.html2/22/22/21/20/2NOT RUN
font-timestamps.html2/22/22/20/20/2NOT RUN
idlharness.any.html74/7964/7970/7968/7954/79NOT RUN
idlharness.any.worker.html74/7964/7970/7968/7954/79NOT RUN
iframe-failed-commit.html12/120/120/120/120/12NOT RUN
iframe-non-html.html4/44/44/40/44/4NOT RUN
iframe-redirect-without-location.htmlPASSPASSFAILFAILPASSNOT RUN
iframe-sequence-of-events.html19/1919/191/194/199/19NOT RUN
iframe-with-download.htmlPASSPASSPASSPASSFAILNOT RUN
image-sequence-of-events.html3/33/33/30/33/3NOT RUN
initiator-type-for-script.htmlPASSPASSPASSPASSPASSNOT RUN
input-sequence-of-events.htmlPASSPASSPASSPASSTIMEOUTNOT RUN
interim-response-times.h2.html12/1212/1211/124/120/12NOT RUN
interim-response-times.html12/1212/1212/124/120/12NOT RUN
internal-resources-not-counted.htmlPASSPASSPASSPASSPASSNOT RUN
link-sequence-of-events.htmlPASSPASSPASSPASSPASSNOT RUN
load-from-mem-cache-transfer-size.htmlPASSPASSPASSPASSFAILNOT RUN
nested-context-navigations-embed.html9/99/99/90/90/9NOT RUN
nested-context-navigations-iframe.html9/99/90/99/90/9NOT RUN
nested-context-navigations-object.html9/99/99/99/90/9NOT RUN
nested-nav-fallback-timing.html2/20/20/22/20/2NOT RUN
nextHopProtocol-is-tao-protected.https.html16/1616/1615/160/167/16NOT RUN
no-entries-for-cross-origin-css-fetched-memory-cache.sub.htmlPASSPASSPASSPASSFAILNOT RUN
no-entries-for-cross-origin-css-fetched.sub.htmlPASSFAILPASSFAILFAILNOT RUN
object-not-found-adds-entry.html3/33/30/30/30/3NOT RUN
object-not-found-after-TAO-cross-origin-redirect.html7/87/82/87/82/8NOT RUN
object-not-found-after-cross-origin-redirect.htmlPASSPASSFAILPASSFAILNOT RUN
opaque-origin.html2/22/21/20/21/2NOT RUN
ping-rt-entries.htmlPASSFAILFAILFAILFAILNOT RUN
queue-entry-regardless-buffer-size.htmlPASSPASSPASSPASSTIMEOUTNOT RUN
redirects.html6/66/66/60/60/6NOT RUN
render-blocking-status-link.htmlPASSFAILFAILFAILFAILNOT RUN
render-blocking-status-script.htmlPASSFAILFAILFAILFAILNOT RUN
resource-ignore-data-url.htmlPASSPASSPASSTIMEOUTFAILNOT RUN
resource-reload-TAO.htmlPASSPASSFAILFAILFAILNOT RUN
resource-timing-failed-fetch-web-bundle.tentative.htmlPASSERRORERRORERRORERRORNOT RUN
resource-timing-failed-fetch.htmlPASSFAILPASSPASSPASSNOT RUN
resource-timing-level1.sub.html21/2121/210/210/210/21NOT RUN
resource_connection_reuse_mixed_content.html8/88/88/82/83/8NOT RUN
resource_connection_reuse_mixed_content_redirect.html8/88/88/82/83/8NOT RUN
resource_dedicated_worker.htmlPASSPASSPASSPASSPASSNOT RUN
resource_nested_dedicated_worker.worker.htmlPASSFAILPASSFAILFAILNOT RUN
resource_reparenting.htmlPASSPASSFAILFAILPASSNOT RUN
resource_subframe_self_navigation.html4/44/44/40/40/4NOT RUN
resource_timing.worker.htmlPASSPASSPASSTIMEOUTTIMEOUTNOT RUN
resource_timing_content_length.html4/44/40/40/40/4NOT RUN
response-status-code.cors.html30/3030/300/3020/300/30NOT RUN
response-status-code.cross-origin-redirect.html30/3030/300/3010/300/30NOT RUN
response-status-code.no-cors.html160/160160/1600/16070/1600/160NOT RUN
response-status-code.same-origin-redirect.html30/3030/300/304/300/30NOT RUN
response-status-code.same-origin.html100/100100/1000/1000/1000/100NOT RUN
same-origin-from-cross-origin-redirect.htmlPASSFAILPASSFAILFAILNOT RUN
script-rt-entries.html2/22/22/22/22/2NOT RUN
secure-iframe-in-insecure-context.html2/22/20/20/21/2NOT RUN
shared-worker-rt-entry.htmlPASSPASSFAILPASSPASSNOT RUN
sizes-cache.any.htmlPASSFAILFAILFAILFAILNOT RUN
sizes-cache.any.serviceworker.htmlPASSFAILFAILERRORERRORNOT RUN
sizes-cache.any.sharedworker.htmlPASSFAILFAILFAILFAILNOT RUN
sizes-cache.any.worker.htmlPASSFAILFAILFAILFAILNOT RUN
sizes-redirect-img.html5/55/52/50/50/5NOT RUN
sizes-redirect.any.htmlPASSPASSFAILFAILFAILNOT RUN
sizes-redirect.any.serviceworker.htmlPASSFAILFAILERRORERRORNOT RUN
sizes-redirect.any.sharedworker.htmlPASSFAILFAILFAILFAILNOT RUN
sizes-redirect.any.worker.htmlPASSFAILFAILFAILFAILNOT RUN
status-codes-create-entry.htmlPASSPASSPASSFAILPASSNOT RUN
supported_resource_type.any.html2/22/22/21/22/2NOT RUN
supported_resource_type.any.worker.html2/22/22/21/22/2NOT RUN
test_resource_timing.html28/2828/2828/288/288/28NOT RUN
test_resource_timing.https.html28/2828/2828/288/2810/28NOT RUN
tojson.htmlPASSFAILFAILPASSFAILNOT RUN
workerStart-tao-protected.https.html3/32/32/30/30/3NOT RUN
worklet-rt-entries.https.htmlPASSFAILFAILFAILFAILNOT RUN
xhr-resource-timing.html2/22/21/20/20/2NOT RUN