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 | 98.1%157/160 | 98.8%158/160 | 98.1%157/160 | 95.0%152/160 | 90.0%144/160 | 78.1%125/160 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| font-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-011.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-012.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-013.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-014.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-015.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-016.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-029.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-030.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-031.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-032.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-042.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-043.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-051.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-146.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-148.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-015.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-applies-to-017.xht | PASS | PASS | FAIL | PASS | PASS | PASS |
| font-family-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-013.xht | PASS | PASS | PASS | FAIL | PASS | PASS |
| font-family-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-applies-to-001.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-002.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-005.xht | PASS | PASS | PASS | PASS | FAIL | PASS |
| font-family-applies-to-006.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-007.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-008.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-009.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-010.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-011.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-014.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-015.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-applies-to-017.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-family-invalid-characters-001.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| font-family-invalid-characters-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-invalid-characters-003.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| font-family-invalid-characters-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-invalid-characters-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-invalid-characters-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-rule-001.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| font-family-rule-002a.xht | FAIL | FAIL | FAIL | FAIL | FAIL | FAIL |
| font-family-rule-005.xht | FAIL | PASS | PASS | PASS | PASS | FAIL |
| font-family-valid-characters-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-family-valid-characters-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-matching-rule-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-012.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-013.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-015.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-023.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-024.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-026.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-027.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-034.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-035.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-037.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-038.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-045.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-046.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-048.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-049.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-056.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-057.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-059.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-060.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-067.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-068.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-070.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-071.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-078.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-079.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-081.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-082.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-089.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-090.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-092.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-093.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-100.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-101.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-102.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-119.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-120.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-121.xht | FAIL | FAIL | FAIL | FAIL | FAIL | FAIL |
| font-size-122.xht | PASS | PASS | PASS | PASS | FAIL | FAIL |
| font-size-123.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-size-124.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-size-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-style-applies-to-017.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-015.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-variant-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-variant-applies-to-017.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-009.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-015.xht | PASS | PASS | PASS | PASS | PASS | FAIL |
| font-weight-applies-to-016.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-applies-to-017.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-004.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-005.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-006.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-007.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| font-weight-rule-008.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| fonts-010.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| fonts-011.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| fonts-012.xht | PASS | PASS | PASS | FAIL | PASS | FAIL |
| fonts-013.xht | PASS | PASS | PASS | FAIL | PASS | PASS |
| fonts-014.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| shand-font-000.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| shand-font-001.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| shand-font-002.xht | PASS | PASS | PASS | PASS | PASS | PASS |
| shand-font-003.xht | PASS | PASS | PASS | PASS | PASS | PASS |