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-fonts / matching
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 28.50% | (2/7) | 28.57% | (2/7) | 28.57% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| fixed-stretch-style-over-weight.html | (0/1) | 0.00% | FAIL |
| font-unicode-PUA-primary-font.html | (0/1) | 0.00% | FAIL |
| font-unicode-presented-as-emoji-outline.html | (1/1) | 100.00% | PASS |
| font-weight-search-direction.html | (1/1) | 100.00% | PASS |
| range-descriptor-reversed.html | (0/1) | 0.00% | FAIL |
| stretch-distance-over-weight-distance.html | (0/1) | 0.00% | FAIL |
| style-ranges-over-weight-direction.html | (0/1) | 0.00% | FAIL |