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 / css / css-contain
Spec: CSS Containment ↗
Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 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 | 98.6%971/985 | 92.7%913/985 | 96.2%948/985 | 68.6%676/985 | 38.8%382/985 | 45.4%447/985 |
| content-visibility | 97.6%447/458 | 95.9%439/458 | 95.4%437/458 | 71.2%326/458 | 31.7%145/458 | 31.9%146/458 |
| crashtests | 100.0%9/9 | 100.0%9/9 | 100.0%9/9 | 100.0%9/9 | 100.0%9/9 | 100.0%9/9 |
| parsing | 100.0%43/43 | 90.7%39/43 | 100.0%43/43 | 100.0%43/43 | 32.6%14/43 | 90.7%39/43 |