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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 / performance-timeline

Spec: Performance Timeline ↗

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

AreaChromeFirefoxSafariLadybirdServoBlitz
Total98.3%340/34688.2%305/34688.2%305/34671.7%248/34669.9%242/3460.0%0/346
not-restored-reasons84.6%11/130.0%0/130.0%0/137.7%1/130.0%0/130.0%0/13
TestChromeFirefoxSafariLadybirdServoBlitz
back-forward-cache-restoration.tentative.htmlPASSTIMEOUTTIMEOUTTIMEOUTTIMEOUTNOT RUN
buffered-does-not-sync-invoke.htmlPASSPASSPASSPASSPASSNOT RUN
buffered-flag-after-timeout.any.htmlPASSPASSPASSPASSPASSNOT RUN
buffered-flag-after-timeout.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
buffered-flag-observer.any.htmlPASSPASSPASSPASSPASSNOT RUN
buffered-flag-observer.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
buffered-flag-with-entryTypes-observer.tentative.any.htmlPASSPASSPASSFAILFAILNOT RUN
buffered-flag-with-entryTypes-observer.tentative.any.worker.htmlPASSPASSPASSFAILFAILNOT RUN
case-sensitivity.any.html3/33/33/33/33/3NOT RUN
case-sensitivity.any.worker.html3/33/33/33/31/3NOT RUN
droppedentriescount.any.html5/50/50/50/50/5NOT RUN
droppedentriescount.any.worker.html5/50/50/50/50/5NOT RUN
get-invalid-entries.htmlPASSPASSPASSPASSPASSNOT RUN
idlharness.any.html57/5856/5856/5856/5856/58NOT RUN
idlharness.any.serviceworker.html57/5856/5856/580/580/58NOT RUN
idlharness.any.sharedworker.html57/5856/5856/5856/5856/58NOT RUN
idlharness.any.worker.html57/5856/5856/5856/5856/58NOT RUN
multiple-buffered-flag-observers.any.htmlPASSPASSPASSPASSPASSNOT RUN
multiple-buffered-flag-observers.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
navigation-id-detached-frame.tentative.htmlPASSPASSPASSPASSPASSNOT RUN
navigation-id-element-timing.tentative.htmlPASSTIMEOUTTIMEOUTCRASHTIMEOUTNOT RUN
navigation-id-initial-load.tentative.htmlPASSFAILFAILTIMEOUTTIMEOUTNOT RUN
navigation-id-long-task-task-attribution.tentative.htmlPASSTIMEOUTTIMEOUTTIMEOUTTIMEOUTNOT RUN
navigation-id-mark-measure.tentative.htmlPASSFAILFAILFAILFAILNOT RUN
navigation-id-reset.tentative.htmlPASSFAILFAILFAILFAILNOT RUN
navigation-id-resource-timing.tentative.htmlPASSFAILFAILTIMEOUTFAILNOT RUN
navigation-id-worker-created-entries.htmlPASSFAILFAILFAILFAILNOT RUN
not-clonable.htmlPASSPASSPASSPASSPASSNOT RUN
observer-buffered-false.any.htmlPASSPASSPASSPASSPASSNOT RUN
observer-buffered-false.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
performanceentry-tojson.any.htmlPASSPASSPASSPASSPASSNOT RUN
performanceentry-tojson.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-callback-mutate.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-callback-mutate.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-disconnect-removes-observed-types.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-disconnect-removes-observed-types.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-disconnect.any.html3/33/33/33/33/3NOT RUN
po-disconnect.any.worker.html3/33/33/33/33/3NOT RUN
po-entries-sort.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-entries-sort.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-getentries.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-getentries.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-mark-measure.any.html3/33/33/33/33/3NOT RUN
po-mark-measure.any.worker.html3/33/33/33/33/3NOT RUN
po-observe-repeated-type.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-observe-repeated-type.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
po-observe-type.any.html6/66/66/66/64/6NOT RUN
po-observe-type.any.worker.html6/66/66/66/64/6NOT RUN
po-observe.any.html6/66/66/66/66/6NOT RUN
po-observe.any.worker.html6/66/66/66/66/6NOT RUN
po-observe.htmlPASSPASSPASSTIMEOUTTIMEOUTNOT RUN
po-resource.htmlPASSPASSPASSTIMEOUTPASSNOT RUN
po-takeRecords.any.htmlPASSPASSPASSPASSPASSNOT RUN
po-takeRecords.any.worker.htmlPASSPASSPASSPASSPASSNOT RUN
supportedEntryTypes-cross-realm-access.htmlPASSPASSPASSPASSPASSNOT RUN
supportedEntryTypes.any.html2/21/21/22/22/2NOT RUN
supportedEntryTypes.any.worker.html2/21/21/22/22/2NOT RUN
timing-removed-iframe.htmlPASSPASSPASSPASSPASSNOT RUN
webtiming-resolution.any.html2/22/22/22/22/2NOT RUN
webtiming-resolution.any.worker.html2/22/22/22/22/2NOT RUN
worker-with-performance-observer.htmlPASSPASSPASSPASSPASSNOT RUN