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-contain / 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 | 93.00% | (2/4) | 50.00% | (39/43) | 90.70% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| contain-computed-children.html | (1/1) | 100.00% | PASS |
| contain-computed.html | (12/15) | 80.00% | FAIL |
| contain-invalid.html | (14/14) | 100.00% | PASS |
| contain-valid.html | (12/13) | 92.31% | FAIL |