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 / semantics / multiple-workers
Spec: https://html.spec.whatwg.org/multipage/workers.html ↗
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
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 92.9%13/14 | 100.0%14/14 | 100.0%14/14 | 85.7%12/14 | 85.7%12/14 | 0.0%0/14 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| 001.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| 002.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| 003.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| 004.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| 008.html | PASS | PASS | PASS | PASS | PASS | NOT RUN |
| exposure.any.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| exposure.any.serviceworker.html | 2/2 | 2/2 | 2/2 | 0/2 | 0/2 | NOT RUN |
| exposure.any.sharedworker.html | 1/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |
| exposure.any.worker.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | NOT RUN |