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 / variations
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 38.80% | (7/18) | 38.89% | (7/18) | 38.89% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| font-descriptor-range-reversed-002.html | (0/1) | 0.00% | FAIL |
| font-descriptor-range-reversed.html | (0/1) | 0.00% | FAIL |
| font-slant-1.html | (1/1) | 100.00% | PASS |
| font-slant-2a.html | (1/1) | 100.00% | PASS |
| font-slant-2b.html | (1/1) | 100.00% | PASS |
| font-slant-2c.html | (0/1) | 0.00% | FAIL |
| font-slant-3.html | (0/1) | 0.00% | FAIL |
| font-weight-metrics.html | (0/1) | 0.00% | FAIL |
| slnt-backslant-variable.html | (1/1) | 100.00% | PASS |
| slnt-variable.html | (1/1) | 100.00% | PASS |
| variable-avar2-rvrn.html | (0/1) | 0.00% | FAIL |
| variable-avar2-warp.html | (0/1) | 0.00% | FAIL |
| variable-box-font.html | (0/1) | 0.00% | FAIL |
| variable-gpos-avar2.html | (1/1) | 100.00% | PASS |
| variable-gpos-m2b.html | (0/1) | 0.00% | FAIL |
| variable-gsub.html | (0/1) | 0.00% | FAIL |
| variable-opsz-size-adjust.html | (0/1) | 0.00% | FAIL |
| variable-opsz.html | (1/1) | 100.00% | PASS |