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-counter-styles
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 2.90% | (7/234) | 2.99% | (7/234) | 2.99% |
| arabic-indic | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| armenian | 0.00% | (0/4) | 0.00% | (0/4) | 0.00% |
| bengali | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| cambodian | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| cjk-decimal | 0.00% | (0/4) | 0.00% | (0/4) | 0.00% |
| cjk-earthly-branch | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| cjk-heavenly-stem | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| counter-style-at-rule | 16.60% | (7/42) | 16.67% | (7/42) | 16.67% |
| cssom | 0.00% | (0/19) | 0.00% | (0/19) | 0.00% |
| devanagari | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| ethiopic-numeric | 0.00% | (0/1) | 0.00% | (0/1) | 0.00% |
| georgian | 0.00% | (0/4) | 0.00% | (0/4) | 0.00% |
| gujarati | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| gurmukhi | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| hebrew | 0.00% | (0/5) | 0.00% | (0/5) | 0.00% |
| hiragana | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| hiragana-iroha | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| japanese-formal | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| japanese-informal | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| kannada | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| katakana | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| katakana-iroha | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| khmer | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| korean-hangul-formal | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| korean-hanja-formal | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| korean-hanja-informal | 0.00% | (0/7) | 0.00% | (0/7) | 0.00% |
| lao | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| lower-armenian | 0.00% | (0/4) | 0.00% | (0/4) | 0.00% |
| lower-greek | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| lower-roman | 0.00% | (0/6) | 0.00% | (0/6) | 0.00% |
| malayalam | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| mongolian | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| myanmar | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| oriya | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| persian | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| simp-chinese-formal | 0.00% | (0/6) | 0.00% | (0/6) | 0.00% |
| simp-chinese-informal | 0.00% | (0/6) | 0.00% | (0/6) | 0.00% |
| tamil | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| telugu | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| thai | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| tibetan | 0.00% | (0/3) | 0.00% | (0/3) | 0.00% |
| trad-chinese-formal | 0.00% | (0/6) | 0.00% | (0/6) | 0.00% |
| trad-chinese-informal | 0.00% | (0/6) | 0.00% | (0/6) | 0.00% |
| upper-armenian | 0.00% | (0/4) | 0.00% | (0/4) | 0.00% |
| upper-roman | 0.00% | (0/5) | 0.00% | (0/5) | 0.00% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| counter-name-case-sensitive.html | (0/1) | 0.00% | FAIL |
| counter-suffix.html | (0/1) | 0.00% | FAIL |