Status
This page documents the implementation status of various HTML and CSS features in Blitz.
This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.
Note: As it does not have a JavaScript engine, Blitz can only run about 20% of the total subtests. In the numbers below, tests that Blitz can't run are ignored and percentages are relative to the number of tests run.
Data from commit:
7727414 ci: report WPT subtest changes in the PR description (#826) (2026-09-02)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 95.00% | (9/10) | 90.00% | (38/42) | 90.48% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| at-supports.tentative.html | (1/1) | 100.00% | PASS |
| env-in-custom-properties.tentative.html | (2/2) | 100.00% | PASS |
| env-parsing.html | (8/8) | 100.00% | PASS |
| env-revert-rule.html | (1/1) | 100.00% | PASS |
| fallback-nested-var.tentative.html | (1/1) | 100.00% | PASS |
| indexed-env.tentative.html | (4/8) | 50.00% | FAIL |
| seralization-round-tripping.tentative.html | (1/1) | 100.00% | PASS |
| supports-script.tentative.html | (1/1) | 100.00% | PASS |
| syntax.tentative.html | (18/18) | 100.00% | PASS |
| unknown-env-names-override-previous.tentative.html | (1/1) | 100.00% | PASS |