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 155.0.8039.0 (wpt@0ea9f2aac, 2026-09-03) | Firefox 157.0a1 (wpt@0ea9f2aac, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)
Sort areas: alphabetical | by subtest count
| Area | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| Total | 100.0%31/31 | 100.0%31/31 | 100.0%31/31 | 90.3%28/31 | 100.0%31/31 | 83.9%26/31 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| stack-floats-001.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| stack-floats-002.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| stack-floats-003.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| stack-floats-004.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| z-index-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-012.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-013.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-015.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-017.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-018.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-019.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-020.html | PASS | PASS | PASS | PASS | PASS | FAIL |
| z-index-abspos-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-abspos-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-abspos-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-abspos-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-abspos-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-abspos-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| z-index-dynamic-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |