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 | 19.60% | (219/1118) | 19.59% | (223/1123) | 19.86% |
| flexbox | 16.70% | (55/328) | 16.77% | (55/328) | 16.77% |
| grid | 9.80% | (11/112) | 9.82% | (11/112) | 9.82% |
| table | 20.70% | (32/154) | 20.78% | (32/154) | 20.78% |