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-align / default-alignment
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 | 89.40% | (17/19) | 89.47% | (743/747) | 99.46% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| justify-items-legacy-001.html | (0/1) | 0.00% | FAIL |
| parse-align-items-001.html | (17/17) | 100.00% | PASS |
| parse-align-items-002.html | (7/7) | 100.00% | PASS |
| parse-align-items-003.html | (17/17) | 100.00% | PASS |
| parse-align-items-004.html | (29/29) | 100.00% | PASS |
| parse-align-items-005.html | (3/3) | 100.00% | PASS |
| parse-justify-items-001.html | (22/22) | 100.00% | PASS |
| parse-justify-items-002.html | (7/7) | 100.00% | PASS |
| parse-justify-items-003.html | (22/22) | 100.00% | PASS |
| parse-justify-items-004.html | (32/32) | 100.00% | PASS |
| parse-justify-items-005.html | (3/3) | 100.00% | PASS |
| parse-justify-items-006.html | (0/3) | 0.00% | FAIL |
| place-items-shorthand-001.html | (17/17) | 100.00% | PASS |
| place-items-shorthand-002.html | (374/374) | 100.00% | PASS |
| place-items-shorthand-003.html | (2/2) | 100.00% | PASS |
| place-items-shorthand-004.html | (4/4) | 100.00% | PASS |
| place-items-shorthand-005.html | (2/2) | 100.00% | PASS |
| place-items-shorthand-006.html | (168/168) | 100.00% | PASS |
| shorthand-serialization-001.html | (17/17) | 100.00% | PASS |