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 / filter-effects / parsing
Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 52.40% | (6/18) | 33.33% | (253/339) | 74.63% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| backdrop-filter-computed.html | (27/28) | 96.43% | FAIL |
| backdrop-filter-parsing-invalid.html | (25/25) | 100.00% | PASS |
| backdrop-filter-parsing-valid.html | (34/37) | 91.89% | FAIL |
| color-interpolation-filters-computed.html | (0/3) | 0.00% | FAIL |
| color-interpolation-filters-parsing-invalid.html | (3/3) | 100.00% | PASS |
| color-interpolation-filters-parsing-valid.html | (0/4) | 0.00% | FAIL |
| filter-computed.html | (65/83) | 78.31% | FAIL |
| filter-parsing-invalid.html | (25/25) | 100.00% | PASS |
| filter-parsing-valid.html | (67/87) | 77.01% | FAIL |
| flood-color-computed.html | (0/8) | 0.00% | FAIL |
| flood-color-invalid.html | (2/2) | 100.00% | PASS |
| flood-color-valid.html | (0/8) | 0.00% | FAIL |
| flood-opacity-computed.svg | (0/8) | 0.00% | FAIL |
| flood-opacity-invalid.svg | (2/2) | 100.00% | PASS |
| flood-opacity-valid.svg | (0/7) | 0.00% | FAIL |
| lighting-color-computed.html | (0/1) | 0.00% | FAIL |
| lighting-color-parsing-invalid.html | (3/3) | 100.00% | PASS |
| lighting-color-parsing-valid.html | (0/5) | 0.00% | FAIL |
