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 | 13.30% | (2/15) | 13.33% | (2/15) | 13.33% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| button-base-appearance-rendering.html | (0/1) | 0.00% | FAIL |
| checkbox-checkmark-animation-002.html | (0/1) | 0.00% | FAIL |
| datetime-stacking-context.html | (1/1) | 100.00% | PASS |
| input-button-base-appearance-rendering.html | (0/1) | 0.00% | FAIL |
| input-checkbox-base-appearance-rendering.html | (0/1) | 0.00% | FAIL |
| input-color-base-appearance-rendering.html | (0/1) | 0.00% | FAIL |
| input-no-resizer.html | (1/1) | 100.00% | PASS |
| input-number-base-appearance-rendering.tentative.html | (0/1) | 0.00% | FAIL |
| input-search-base-appearance-rendering.tentative.html | (0/1) | 0.00% | FAIL |
| input-text-base-appearance-rendering.html | (0/1) | 0.00% | FAIL |
| meter-base-appearance-custom-style-initial-rendering.tentative.html | (0/1) | 0.00% | FAIL |
| meter-base-appearance-custom-style-value-dynamic-rendering.tentative.html | (0/1) | 0.00% | FAIL |
| progress-base-appearance-rendering.tentative.html | (0/1) | 0.00% | FAIL |
| radio-checkmark-animation-002.html | (0/1) | 0.00% | FAIL |
| textarea-base-appearance-rendering.tentative.html | (0/1) | 0.00% | FAIL |