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: CSS ↗
Runs: Chrome 155.0.8043.0 (wpt@21420d4c0, 2026-09-05) | Firefox 157.0a1 (wpt@9b965429d, 2026-09-05) | Safari 251 preview (wpt@c29bd2aee, 2026-09-05) | Ladybird 1.0-4912a (wpt@b09f5cdca, 2026-09-05) | 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%23/23 | 100.0%23/23 | 100.0%23/23 | 95.7%22/23 | 95.7%22/23 | 95.7%22/23 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| adjacent-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| adjacent-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| adjacent-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| attribute-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| class-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| class-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| class-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| descendant-selector-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| descendant-selector-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| first-child-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| first-child-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| first-line-000.xht | PASS | PASS | PASS | FAIL | FAIL | FAIL |
| grouping-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| grouping-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| id-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| id-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |