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:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)
wpt / css / css-shadow / part
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| animation-part.html | (0/1) | 0.00% | FAIL |
| exportparts-different-scope.html | (0/1) | 0.00% | FAIL |
| exportparts-layered.html | (0/1) | 0.00% | FAIL |
| interaction-with-nested-pseudo-class.html | (0/1) | 0.00% | FAIL |
| interaction-with-placeholder.html | (0/1) | 0.00% | FAIL |
| part-after-combinator-invalidation.html | (0/1) | 0.00% | FAIL |
| part-nested-pseudo.html | (0/1) | 0.00% | FAIL |