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 / parsing
Spec: CSS Containment ↗
Runs: Chrome 155.0.8042.0 (wpt@4eb09bcd9, 2026-09-04) | Firefox 157.0a1 (wpt@c3fcbf4ba, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-52f0f (wpt@a1ecd0c09, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 100.0%43/43 | 90.7%39/43 | 100.0%43/43 | 100.0%43/43 | 32.6%14/43 | 90.7%39/43 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| contain-computed-children.html | PASS | PASS | PASS | PASS | FAIL | PASS |
| contain-computed.html | 15/15 | 12/15 | 15/15 | 15/15 | 0/15 | 12/15 |
| contain-invalid.html | 14/14 | 14/14 | 14/14 | 14/14 | 14/14 | 14/14 |
| contain-valid.html | 13/13 | 12/13 | 13/13 | 13/13 | 0/13 | 12/13 |