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 / interfaces / WorkerGlobalScope
Spec: https://html.spec.whatwg.org/multipage/workers.html ↗
Runs: Chrome 155.0.8041.0 (wpt@a1690333b, 2026-09-04) | Firefox 157.0a1 (wpt@a1690333b, 2026-09-04) | Safari 251 preview (wpt@a1e944e7a, 2026-09-04) | Ladybird 1.0-a7825 (wpt@9298d21d2, 2026-09-04) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 97.6%83/85 | 100.0%85/85 | 100.0%85/85 | 65.9%56/85 | 94.1%80/85 | 0.0%0/85 |
| close | 100.0%4/4 | 100.0%4/4 | 100.0%4/4 | 25.0%1/4 | 100.0%4/4 | 0.0%0/4 |
| location | 100.0%9/9 | 100.0%9/9 | 100.0%9/9 | 88.9%8/9 | 88.9%8/9 | 0.0%0/9 |
| onerror | 96.7%58/60 | 100.0%60/60 | 100.0%60/60 | 65.0%39/60 | 100.0%60/60 | 0.0%0/60 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| self.any.serviceworker.html | 4/4 | 4/4 | 4/4 | 0/4 | 0/4 | NOT RUN |
| self.any.sharedworker.html | 4/4 | 4/4 | 4/4 | 4/4 | 4/4 | NOT RUN |
| self.any.worker.html | 4/4 | 4/4 | 4/4 | 4/4 | 4/4 | NOT RUN |