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-writing-modes
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 12.70% | (146/1144) | 12.76% | (146/1144) | 12.76% |
| astral-bidi | 100.00% | (2/2) | 100.00% | (2/2) | 100.00% |
| crashtests | 100.00% | (4/4) | 100.00% | (4/4) | 100.00% |
| forms | 3.30% | (2/60) | 3.33% | (2/60) | 3.33% |