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: WebVTT: The Web Video Text Tracks Format ↗
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 | 74.0%368/497 | 57.3%285/497 | 57.5%286/497 | 19.7%98/497 | 31.4%156/497 | 0.0%0/497 |
| api | 100.0%117/117 | 94.9%111/117 | 100.0%117/117 | 70.9%83/117 | 82.1%96/117 | 0.0%0/117 |
| parsing | 100.0%130/130 | 97.7%127/130 | 98.5%128/130 | 8.5%11/130 | 36.9%48/130 | 0.0%0/130 |
| rendering | 48.4%121/250 | 18.8%47/250 | 16.4%41/250 | 1.6%4/250 | 4.8%12/250 | 0.0%0/250 |