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-backgrounds / background-origin
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 41.60% | (5/12) | 41.67% | (5/12) | 41.67% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| origin-border-box.html | (0/1) | 0.00% | FAIL |
| origin-border-box_with_position.html | (1/1) | 100.00% | PASS |
| origin-border-box_with_radius.html | (0/1) | 0.00% | FAIL |
| origin-border-box_with_size.html | (0/1) | 0.00% | FAIL |
| origin-content-box.html | (0/1) | 0.00% | FAIL |
| origin-content-box_with_position.html | (1/1) | 100.00% | PASS |
| origin-content-box_with_radius.html | (0/1) | 0.00% | FAIL |
| origin-content-box_with_size.html | (0/1) | 0.00% | FAIL |
| origin-padding-box.html | (1/1) | 100.00% | PASS |
| origin-padding-box_with_position.html | (1/1) | 100.00% | PASS |
| origin-padding-box_with_radius.html | (1/1) | 100.00% | PASS |
| origin-padding-box_with_size.html | (0/1) | 0.00% | FAIL |