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.
Data from commit:
ea07ee7 wpt: add skia (CPU raster) renderer option (#1597) (2026-11-15)
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 70.71% | (1440/2063) | 69.80% | (4747/7544) | 62.92% |
| i18n | 97.74% | (347/355) | 97.74% | (1662/1714) | 96.96% |
| animations | 48.87% | (0/11) | 0.00% | (669/1274) | 52.51% |
| text-spacing-trim | 21.73% | (20/92) | 21.73% | (20/1122) | 1.78% |
| parsing | 68.32% | (57/96) | 59.37% | (529/879) | 60.18% |
| white-space | 72.88% | (354/488) | 72.54% | (674/875) | 77.02% |
| text-transform | 96.49% | (110/114) | 96.49% | (290/294) | 98.63% |
| text-align | 72.52% | (69/96) | 71.87% | (174/263) | 66.15% |
| text-justify | 32.40% | (5/18) | 27.77% | (180/234) | 76.92% |
| line-breaking | 62.68% | (84/134) | 62.68% | (93/143) | 65.03% |
| word-break | 70.47% | (74/105) | 70.47% | (74/105) | 70.47% |
| line-break | 89.99% | (81/90) | 89.99% | (81/90) | 89.99% |
| overflow-wrap | 90.70% | (53/59) | 89.83% | (58/73) | 79.45% |
| hyphens | 29.50% | (18/61) | 29.50% | (18/61) | 29.50% |
| shaping | 87.23% | (41/47) | 87.23% | (41/47) | 87.23% |
| letter-spacing | 20.00% | (7/35) | 20.00% | (8/36) | 22.22% |
| text-autospace | 63.88% | (23/36) | 63.88% | (23/36) | 63.88% |
| text-fit | 19.64% | (5/28) | 17.85% | (7/33) | 21.21% |
| text-indent | 65.51% | (19/29) | 65.51% | (19/29) | 65.51% |
| word-space-transform | 31.03% | (9/29) | 31.03% | (9/29) | 31.03% |
| wrap-inside | 37.50% | (9/24) | 37.50% | (9/29) | 31.03% |
| tab-size | 38.88% | (7/18) | 38.88% | (17/28) | 60.71% |
| hanging-punctuation | 26.08% | (6/23) | 26.08% | (6/23) | 26.08% |
| word-spacing | 50.00% | (5/10) | 50.00% | (16/21) | 76.19% |
| crashtests | 100.00% | (14/14) | 100.00% | (14/14) | 100.00% |
| boundary-shaping | 20.00% | (2/10) | 20.00% | (2/10) | 20.00% |
| text-group-align | 0.00% | (0/10) | 0.00% | (0/10) | 0.00% |
| text-encoding | 88.88% | (8/9) | 88.88% | (8/9) | 88.88% |
| bidi | 50.00% | (4/8) | 50.00% | (4/8) | 50.00% |
| writing-system | 40.00% | (2/5) | 40.00% | (2/5) | 40.00% |
| text-wrap-style | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |
| Test | Subtests | Subtest % | Status |
|---|---|---|---|
| altering-dom-crash.html | (1/1) | 100.00% | PASS |
| ellisize-rtl-text-crash.html | (1/1) | 100.00% | PASS |
| inheritance.html | (33/42) | 78.57% | FAIL |
| removing-collapsible-crash.html | (1/1) | 100.00% | PASS |
| removing-collapsible-spaces-before-float-crash.html | (1/1) | 100.00% | PASS |
| text-stroke-width-subpixel.html | (0/1) | 0.00% | FAIL |
| whitespace-followed-by-cham-symbol-crash.html | (1/1) | 100.00% | PASS |
| zwnj-renders-invisible.html | (1/1) | 100.00% | PASS |