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.
Spec: Background Fetch ↗
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
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 85.7%209/244 | 13.9%34/244 | 13.9%34/244 | 11.1%27/244 | 11.1%27/244 | 0.0%0/244 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| abort.https.window.html | 1/3 | 0/3 | 0/3 | 0/3 | 0/3 | NOT RUN |
| content-security-policy.https.window.html | FAIL | FAIL | FAIL | FAIL | FAIL | NOT RUN |
| fetch-uploads.https.window.html | 1/3 | 0/3 | 0/3 | 0/3 | 0/3 | NOT RUN |
| fetch.https.window.html | 2/14 | 0/14 | 0/14 | 0/14 | 0/14 | NOT RUN |
| get-ids.https.window.html | 2/2 | 0/2 | 0/2 | 0/2 | 0/2 | NOT RUN |
| get.https.window.html | 3/3 | 0/3 | 0/3 | 0/3 | 0/3 | NOT RUN |
| idlharness.https.any.html | 45/45 | 9/45 | 9/45 | 9/45 | 9/45 | NOT RUN |
| idlharness.https.any.serviceworker.html | 61/61 | 7/61 | 7/61 | 0/61 | 0/61 | NOT RUN |
| idlharness.https.any.sharedworker.html | 45/45 | 9/45 | 9/45 | 9/45 | 9/45 | NOT RUN |
| idlharness.https.any.worker.html | 45/45 | 9/45 | 9/45 | 9/45 | 9/45 | NOT RUN |
| match.https.window.html | 1/5 | 0/5 | 0/5 | 0/5 | 0/5 | NOT RUN |
| mixed-content-and-allowed-schemes.https.window.html | 1/8 | 0/8 | 0/8 | 0/8 | 0/8 | NOT RUN |
| port-blocking.https.window.html | 1/6 | 0/6 | 0/6 | 0/6 | 0/6 | NOT RUN |
| update-ui.https.window.html | 1/3 | 0/3 | 0/3 | 0/3 | 0/3 | NOT RUN |