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 Environment Variables ↗
Runs: Chrome 155.0.8039.0 (wpt@508cc6a62, 2026-09-03) | Firefox 157.0a1 (wpt@508cc6a62, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@8fdda8ce4, 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 | NO DATA | NO DATA | 90.6%48/53 | 75.5%40/53 | 90.6%48/53 | 71.7%38/53 |
| Test | Chrome | Firefox | Safari | Ladybird | Servo | Blitz |
|---|---|---|---|---|---|---|
| at-supports.tentative.html | PASS | PASS | PASS | PASS | PASS | PASS |
| env-fallback-substitution.html | 11/11 | 10/11 | 10/11 | 10/11 | 10/11 | NOT RUN |
| env-in-custom-properties.tentative.html | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 | 2/2 |
| env-parsing.html | 8/8 | 8/8 | 8/8 | 3/8 | 8/8 | 8/8 |
| env-revert-rule.html | PASS | PASS | PASS | FAIL | PASS | PASS |
| fallback-nested-var.tentative.html | PASS | PASS | PASS | PASS | PASS | PASS |
| indexed-env.tentative.html | 8/8 | 4/8 | 4/8 | 4/8 | 4/8 | 4/8 |
| seralization-round-tripping.tentative.html | PASS | PASS | PASS | PASS | PASS | PASS |
| supports-script.tentative.html | PASS | PASS | PASS | PASS | PASS | PASS |
| syntax.tentative.html | 18/18 | 18/18 | 18/18 | 16/18 | 18/18 | 18/18 |
| unknown-env-names-override-previous.tentative.html | PASS | PASS | PASS | PASS | PASS | PASS |