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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 / fs

Spec: File System ↗

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
Total96.2%1076/111880.5%900/111871.0%794/11181.3%14/11181.3%14/11180.0%0/1118
TestChromeFirefoxSafariLadybirdServoBlitz
FileSystemBaseHandle-IndexedDB-deferred-deserialization.https.any.html2/22/22/20/20/2NOT RUN
FileSystemBaseHandle-IndexedDB-deferred-deserialization.https.any.serviceworker.html2/22/22/20/20/2NOT RUN
FileSystemBaseHandle-IndexedDB-deferred-deserialization.https.any.sharedworker.html2/22/22/20/20/2NOT RUN
FileSystemBaseHandle-IndexedDB-deferred-deserialization.https.any.worker.html2/22/22/20/20/2NOT RUN
FileSystemBaseHandle-IndexedDB.https.any.html6/66/66/60/60/6NOT RUN
FileSystemBaseHandle-IndexedDB.https.any.serviceworker.html6/66/66/60/60/6NOT RUN
FileSystemBaseHandle-IndexedDB.https.any.sharedworker.html6/66/66/60/60/6NOT RUN
FileSystemBaseHandle-IndexedDB.https.any.worker.html6/66/66/60/60/6NOT RUN
FileSystemBaseHandle-buckets.https.any.html3/30/30/30/30/3NOT RUN
FileSystemBaseHandle-buckets.https.any.serviceworker.html3/30/30/30/30/3NOT RUN
FileSystemBaseHandle-buckets.https.any.sharedworker.html3/30/30/30/30/3NOT RUN
FileSystemBaseHandle-buckets.https.any.worker.html3/30/30/30/30/3NOT RUN
FileSystemBaseHandle-getUniqueId.https.any.html11/110/110/110/110/11NOT RUN
FileSystemBaseHandle-getUniqueId.https.any.serviceworker.html11/110/110/110/110/11NOT RUN
FileSystemBaseHandle-getUniqueId.https.any.sharedworker.html11/110/110/110/110/11NOT RUN
FileSystemBaseHandle-getUniqueId.https.any.worker.html11/110/110/110/110/11NOT RUN
FileSystemBaseHandle-isSameEntry.https.any.html14/1414/1414/140/140/14NOT RUN
FileSystemBaseHandle-isSameEntry.https.any.serviceworker.html14/1414/1414/140/140/14NOT RUN
FileSystemBaseHandle-isSameEntry.https.any.sharedworker.html14/1414/1414/140/140/14NOT RUN
FileSystemBaseHandle-isSameEntry.https.any.worker.html14/1414/1414/140/140/14NOT RUN
FileSystemBaseHandle-postMessage-BroadcastChannel.https.window.htmlPASSPASSPASSFAILFAILNOT RUN
FileSystemBaseHandle-postMessage-Error.https.window.html10/1010/1010/100/100/10NOT RUN
FileSystemBaseHandle-postMessage-MessagePort-frames.https.window.html4/44/44/40/40/4NOT RUN
FileSystemBaseHandle-postMessage-MessagePort-windows.https.window.html3/33/33/30/30/3NOT RUN
FileSystemBaseHandle-postMessage-MessagePort-workers.https.window.html3/33/33/30/30/3NOT RUN
FileSystemBaseHandle-postMessage-frames.https.window.html4/44/44/40/40/4NOT RUN
FileSystemBaseHandle-postMessage-windows.https.window.html3/33/33/30/30/3NOT RUN
FileSystemBaseHandle-postMessage-workers.https.window.html3/33/33/30/30/3NOT RUN
FileSystemBaseHandle-remove.https.any.html9/90/90/90/90/9NOT RUN
FileSystemBaseHandle-remove.https.any.serviceworker.html9/90/90/90/90/9NOT RUN
FileSystemBaseHandle-remove.https.any.sharedworker.html9/90/90/90/90/9NOT RUN
FileSystemBaseHandle-remove.https.any.worker.html9/90/90/90/90/9NOT RUN
FileSystemDirectoryHandle-getDirectoryHandle.https.any.html10/1010/1010/100/100/10NOT RUN
FileSystemDirectoryHandle-getDirectoryHandle.https.any.serviceworker.html10/1010/1010/100/100/10NOT RUN
FileSystemDirectoryHandle-getDirectoryHandle.https.any.sharedworker.html10/1010/1010/100/100/10NOT RUN
FileSystemDirectoryHandle-getDirectoryHandle.https.any.worker.html10/1010/1010/100/100/10NOT RUN
FileSystemDirectoryHandle-getFileHandle.https.any.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-getFileHandle.https.any.serviceworker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-getFileHandle.https.any.sharedworker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-getFileHandle.https.any.worker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-iteration.https.any.html6/66/66/60/60/6NOT RUN
FileSystemDirectoryHandle-iteration.https.any.serviceworker.html6/66/66/60/60/6NOT RUN
FileSystemDirectoryHandle-iteration.https.any.sharedworker.html6/66/66/60/60/6NOT RUN
FileSystemDirectoryHandle-iteration.https.any.worker.html6/66/66/60/60/6NOT RUN
FileSystemDirectoryHandle-removeEntry.https.any.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-removeEntry.https.any.serviceworker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-removeEntry.https.any.sharedworker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-removeEntry.https.any.worker.html13/1313/1313/130/130/13NOT RUN
FileSystemDirectoryHandle-resolve.https.any.html5/55/55/50/50/5NOT RUN
FileSystemDirectoryHandle-resolve.https.any.serviceworker.html5/55/55/50/50/5NOT RUN
FileSystemDirectoryHandle-resolve.https.any.sharedworker.html5/55/55/50/50/5NOT RUN
FileSystemDirectoryHandle-resolve.https.any.worker.html5/55/55/50/50/5NOT RUN
FileSystemFileHandle-create-sync-access-handle.https.window.htmlPASSPASSPASSFAILFAILNOT RUN
FileSystemFileHandle-cross-primitive-locking.https.tentative.worker.html58/9055/9017/900/900/90NOT RUN
FileSystemFileHandle-getFile.https.any.html3/33/33/30/30/3NOT RUN
FileSystemFileHandle-getFile.https.any.serviceworker.html3/33/33/30/30/3NOT RUN
FileSystemFileHandle-getFile.https.any.sharedworker.html3/33/33/30/30/3NOT RUN
FileSystemFileHandle-getFile.https.any.worker.html3/33/33/30/30/3NOT RUN
FileSystemFileHandle-move.https.any.html24/2423/249/240/240/24NOT RUN
FileSystemFileHandle-move.https.any.serviceworker.html24/2423/249/240/240/24NOT RUN
FileSystemFileHandle-move.https.any.sharedworker.html24/2423/249/240/240/24NOT RUN
FileSystemFileHandle-move.https.any.worker.html24/2423/249/240/240/24NOT RUN
FileSystemFileHandle-sync-access-handle-back-forward-cache.https.tentative.window.html2/21/21/20/20/2NOT RUN
FileSystemFileHandle-sync-access-handle-lock-modes.https.tentative.worker.html33/3322/3311/330/330/33NOT RUN
FileSystemFileHandle-writable-file-stream-back-forward-cache.https.tentative.window.html2/21/21/20/20/2NOT RUN
FileSystemFileHandle-writable-file-stream-lock-modes.https.tentative.worker.html15/155/155/150/150/15NOT RUN
FileSystemObserver-sync-access-handle.https.tentative.worker.html3/40/40/40/40/4NOT RUN
FileSystemObserver-unsupported-global.https.tentative.any.serviceworker.htmlPASSPASSPASSERRORERRORNOT RUN
FileSystemObserver-writable-file-stream.https.tentative.any.html2/20/20/20/20/2NOT RUN
FileSystemObserver-writable-file-stream.https.tentative.any.sharedworker.html2/20/20/20/20/2NOT RUN
FileSystemObserver-writable-file-stream.https.tentative.any.worker.html2/20/20/20/20/2NOT RUN
FileSystemObserver.https.tentative.any.html16/160/160/160/160/16NOT RUN
FileSystemObserver.https.tentative.any.sharedworker.html16/160/160/160/160/16NOT RUN
FileSystemObserver.https.tentative.any.worker.html16/160/160/160/160/16NOT RUN
FileSystemSyncAccessHandle-close.https.worker.html6/66/66/60/60/6NOT RUN
FileSystemSyncAccessHandle-flush.https.worker.html2/22/22/20/20/2NOT RUN
FileSystemSyncAccessHandle-getSize.https.worker.htmlPASSPASSPASSFAILFAILNOT RUN
FileSystemSyncAccessHandle-read-write.https.worker.html14/1414/1414/140/140/14NOT RUN
FileSystemSyncAccessHandle-truncate.https.worker.html3/33/33/30/30/3NOT RUN
FileSystemWritableFileStream-piped.https.any.html8/88/88/80/80/8NOT RUN
FileSystemWritableFileStream-piped.https.any.serviceworker.html8/88/88/80/80/8NOT RUN
FileSystemWritableFileStream-piped.https.any.sharedworker.html8/88/88/80/80/8NOT RUN
FileSystemWritableFileStream-piped.https.any.worker.html8/88/88/80/80/8NOT RUN
FileSystemWritableFileStream-write.https.any.html29/3131/3131/310/310/31NOT RUN
FileSystemWritableFileStream-write.https.any.serviceworker.html31/3131/3131/310/310/31NOT RUN
FileSystemWritableFileStream-write.https.any.sharedworker.html31/3131/3131/310/310/31NOT RUN
FileSystemWritableFileStream-write.https.any.worker.html29/3131/3131/310/310/31NOT RUN
FileSystemWritableFileStream.https.any.html8/97/98/90/90/9NOT RUN
FileSystemWritableFileStream.https.any.serviceworker.html8/98/98/90/90/9NOT RUN
FileSystemWritableFileStream.https.any.sharedworker.html8/98/98/90/90/9NOT RUN
FileSystemWritableFileStream.https.any.worker.html8/97/98/90/90/9NOT RUN
idlharness.https.any.html43/4343/4343/435/435/43NOT RUN
idlharness.https.any.serviceworker.html43/4343/4342/430/430/43NOT RUN
idlharness.https.any.sharedworker.html43/4343/4342/435/435/43NOT RUN
idlharness.https.any.worker.html54/5454/5454/544/544/54NOT RUN
opaque-origin.https.window.html2/33/32/30/30/3NOT RUN
opfs-shared-worker-coep.https.window.htmlPASSPASSPASSFAILFAILNOT RUN
root-name.https.any.htmlPASSPASSPASSFAILFAILNOT RUN
root-name.https.any.serviceworker.htmlPASSPASSPASSERRORERRORNOT RUN
root-name.https.any.sharedworker.htmlPASSPASSPASSFAILFAILNOT RUN
root-name.https.any.worker.htmlPASSPASSPASSFAILFAILNOT RUN