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 / constructors / Worker
Spec: https://html.spec.whatwg.org/multipage/workers.html ↗
Runs: Chrome 155.0.8038.0 (wpt@b1a7025f8, 2026-09-02) | Firefox 157.0a1 (wpt@b1a7025f8, 2026-09-02) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7884 (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
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | NO DATA | NO DATA | 100.0%107/107 | NO DATA | 100.0%107/107 | 0.0%0/107 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| AbstractWorker.onerror.html | PASS | PASS | PASS | FAIL | PASS | NOT RUN |
| Blob-url.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| DedicatedWorkerGlobalScope-members.worker.html | 17/19 | 19/19 | 19/19 | 19/19 | 19/19 | NOT RUN |
| Worker-constructor.html | 7/7 | 7/7 | 7/7 | 7/7 | 7/7 | NOT RUN |
| constructor-utf16-bom.html | 0/2 | 2/2 | 2/2 | 0/2 | 2/2 | NOT RUN |
| ctor-1.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| ctor-null.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| ctor-undefined.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| expected-self-properties.worker.html | 5/5 | 5/5 | 5/5 | 5/5 | 5/5 | NOT RUN |
| same-origin.html | 2/10 | 10/10 | 10/10 | 10/10 | 10/10 | NOT RUN |
| terminate.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| unexpected-self-properties.worker.html | 57/57 | 57/57 | 57/57 | 57/57 | 57/57 | NOT RUN |
| use-base-url.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |