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-grid / grid-lanes / subgrid
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 26.90% | (58/215) | 26.98% | (58/215) | 26.98% |
| grid-lanes-subgridded-to-grid-lanes | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| grid-subgridded-to-grid-lanes | 27.30% | (58/212) | 27.36% | (58/212) | 27.36% |