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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 / workers / modules

Spec: https://html.spec.whatwg.org/multipage/workers.html ↗

Runs: Chrome 155.0.8039.0 (wpt@0ea9f2aac, 2026-09-03) | Firefox 157.0a1 (wpt@0ea9f2aac, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total99.2%235/23795.4%226/23795.4%226/23781.0%192/237100.0%237/2370.0%0/237
TestChromeFirefoxSafariLadybirdServoBlitz
dedicated-worker-import-blob-url.any.html9/99/99/99/99/9NOT RUN
dedicated-worker-import-blob-url.any.worker.html9/99/99/90/99/9NOT RUN
dedicated-worker-import-csp.html11/118/118/1111/1111/11NOT RUN
dedicated-worker-import-data-url-cross-origin.html4/43/43/44/44/4NOT RUN
dedicated-worker-import-data-url.any.html9/98/98/99/99/9NOT RUN
dedicated-worker-import-data-url.any.worker.html9/98/98/90/99/9NOT RUN
dedicated-worker-import-failure.html5/66/66/62/66/6NOT RUN
dedicated-worker-import-meta.html3/33/33/33/33/3NOT RUN
dedicated-worker-import-referrer.html15/1515/1515/1515/1515/15NOT RUN
dedicated-worker-import.any.html9/99/99/99/99/9NOT RUN
dedicated-worker-import.any.worker.html9/99/99/90/99/9NOT RUN
dedicated-worker-options-credentials.html33/3333/3333/3328/3333/33NOT RUN
dedicated-worker-options-type.html5/55/55/55/55/5NOT RUN
dedicated-worker-parse-error-failure.html2/22/22/22/22/2NOT RUN
shared-worker-import-blob-url.window.html9/99/99/99/99/9NOT RUN
shared-worker-import-csp.html9/96/96/99/99/9NOT RUN
shared-worker-import-data-url-cross-origin.html4/43/43/44/44/4NOT RUN
shared-worker-import-data-url.window.html9/98/98/99/99/9NOT RUN
shared-worker-import-failure.html5/66/66/62/66/6NOT RUN
shared-worker-import-meta.html3/33/33/33/33/3NOT RUN
shared-worker-import-referrer.html15/1515/1515/1515/1515/15NOT RUN
shared-worker-import.window.html9/99/99/99/99/9NOT RUN
shared-worker-options-credentials.html33/3333/3333/3328/3333/33NOT RUN
shared-worker-options-type.html5/55/55/55/55/5NOT RUN
shared-worker-parse-error-failure.html2/22/22/22/22/2NOT RUN