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.
wpt / css / css-shapes / animation
Data from commit:
1884860 Copy-on-write style attribute blocks that are in the rule tree (#831) (2026-09-02)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 0.00% | (0/7) | 0.00% | (0/2224) | 0.00% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| shape-image-threshold-interpolation.html | (0/120) | 0.00% | FAIL |
| shape-margin-composition.html | (0/40) | 0.00% | FAIL |
| shape-margin-interpolation.html | (0/120) | 0.00% | FAIL |
| shape-outside-composition.html | (0/140) | 0.00% | FAIL |
| shape-outside-interpolation.html | (0/780) | 0.00% | FAIL |
| shape-outside-path-interpolation.html | (0/478) | 0.00% | FAIL |
| shape-outside-shape-interpolation.html | (0/546) | 0.00% | FAIL |