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)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 50.50% | (193/382) | 50.52% | (193/382) | 50.52% |
| font-display | 25.00% | (1/4) | 25.00% | (1/4) | 25.00% |
| matching | 28.50% | (2/7) | 28.57% | (2/7) | 28.57% |
| math-script-level-and-math-style | 90.00% | (9/10) | 90.00% | (9/10) | 90.00% |
| variations | 38.80% | (7/18) | 38.89% | (7/18) | 38.89% |