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:
1093b86 wpt: skip non-UTF-8 test files instead of crashing (#659) (2026-08-09)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 55.50% | (5/9) | 55.56% | (5/9) | 55.56% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| ltr-basic.xht | (1/1) | 100.00% | PASS |
| ltr-ib.xht | (0/1) | 0.00% | FAIL |
| ltr-span-only-ib.xht | (0/1) | 0.00% | FAIL |
| ltr-span-only.xht | (1/1) | 100.00% | PASS |
| rtl-basic.xht | (1/1) | 100.00% | PASS |
| rtl-ib.xht | (0/1) | 0.00% | FAIL |
| rtl-linebreak.xht | (1/1) | 100.00% | PASS |
| rtl-span-only-ib.xht | (0/1) | 0.00% | FAIL |
| rtl-span-only.xht | (1/1) | 100.00% | PASS |