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)
wpt / css / css-text-decor
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 26.60% | (77/289) | 26.64% | (77/289) | 26.64% |
| crashtests | 100.00% | (4/4) | 100.00% | (4/4) | 100.00% |
| decorating-box | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |
| invalidation | 14.20% | (1/7) | 14.29% | (1/7) | 14.29% |
| text-shadow | 58.30% | (14/24) | 58.33% | (14/24) | 58.33% |