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:
3b38722
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 49.59% | (16502/34689) | 47.57% | (106998/219917) | 48.65% |
| css-grid | 42.16% | (920/2352) | 39.12% | (8419/16485) | 51.07% |
| css-anchor-position | 19.35% | (88/526) | 16.73% | (3493/13919) | 25.10% |
| css-typed-om | 3.43% | (13/406) | 3.20% | (48/13413) | 0.36% |
| css-color | 89.03% | (318/377) | 84.35% | (11229/12969) | 86.58% |
| css-values | 61.66% | (285/514) | 55.45% | (5589/10396) | 53.76% |
| css-fonts | 55.60% | (279/559) | 49.91% | (6588/9050) | 72.80% |
| CSS2 | 68.06% | (4324/6365) | 67.93% | (6529/8805) | 74.15% |
| css-shapes | 17.49% | (66/382) | 17.28% | (710/7752) | 9.16% |
| css-text | 60.89% | (1200/1992) | 60.24% | (3727/7337) | 50.80% |
| css-backgrounds | 68.10% | (567/874) | 64.87% | (5088/6961) | 73.09% |
| css-masking | 42.42% | (227/568) | 39.96% | (3747/6903) | 54.28% |
| css-sizing | 53.04% | (387/792) | 48.86% | (3787/6581) | 57.54% |
| selectors | 51.28% | (401/820) | 48.90% | (2474/6436) | 38.44% |
| css-transforms | 54.17% | (480/929) | 51.67% | (3970/6336) | 62.66% |
| css-flexbox | 77.73% | (1060/1413) | 75.02% | (4080/5795) | 70.41% |
| css-align | 60.22% | (135/296) | 45.61% | (3819/5364) | 71.20% |
| motion | 17.57% | (14/148) | 9.46% | (2475/5061) | 48.90% |
| css-gaps | 10.40% | (55/549) | 10.02% | (374/4622) | 8.09% |
| cssom | 53.06% | (125/290) | 43.10% | (2996/4410) | 67.94% |
| css-images | 33.25% | (161/508) | 31.69% | (3512/4061) | 86.48% |
| css-conditional | 42.89% | (192/467) | 41.11% | (1854/3459) | 53.60% |
| css-transitions | 43.46% | (54/142) | 38.03% | (925/3453) | 26.79% |
| filter-effects | 50.69% | (188/393) | 47.84% | (1764/3362) | 52.47% |
| css-ui | 88.67% | (945/1083) | 87.26% | (2172/3246) | 66.91% |
| cssom-view | 32.57% | (63/242) | 26.03% | (854/2625) | 32.53% |
| css-multicol | 41.26% | (293/722) | 40.58% | (875/2244) | 38.99% |
| css-cascade | 49.47% | (73/160) | 45.62% | (761/1959) | 38.85% |
| css-break | 21.34% | (264/1252) | 21.09% | (319/1917) | 16.64% |
| css-overflow | 30.76% | (260/887) | 29.31% | (658/1863) | 35.32% |
| mediaqueries | 51.58% | (49/95) | 51.58% | (49/1827) | 2.68% |
| css-position | 45.55% | (166/388) | 42.78% | (1053/1770) | 59.49% |
| css-view-transitions | 10.17% | (51/506) | 10.08% | (125/1765) | 7.08% |
| css-borders | 19.59% | (50/271) | 18.45% | (1000/1760) | 56.82% |
| css-text-decor | 38.94% | (136/365) | 37.26% | (1116/1693) | 65.92% |
| geometry | 87.05% | (26/31) | 83.87% | (1089/1575) | 69.14% |
| css-writing-modes | 22.91% | (279/1236) | 22.57% | (359/1557) | 23.06% |
| css-animations | 54.15% | (106/208) | 50.96% | (816/1510) | 54.04% |
| css-logical | 72.93% | (54/92) | 58.70% | (877/1454) | 60.32% |
| css-properties-values-api | 33.14% | (34/124) | 27.42% | (535/1394) | 38.38% |
| css-inline | 12.75% | (49/443) | 11.06% | (335/1239) | 27.04% |
| css-lists | 44.96% | (95/224) | 42.41% | (796/1159) | 68.68% |
| css-box | 32.62% | (32/148) | 21.62% | (699/1132) | 61.75% |
| css-pseudo | 36.16% | (124/348) | 35.63% | (190/1132) | 16.78% |
| css-tables | 54.51% | (163/340) | 47.94% | (564/1122) | 50.27% |
| css-contain | 53.67% | (307/586) | 52.39% | (452/985) | 45.89% |
| css-viewport | 73.09% | (97/137) | 70.80% | (305/890) | 34.27% |
| css-scroll-snap | 10.05% | (17/197) | 8.63% | (157/845) | 18.58% |
| css-display | 43.47% | (104/249) | 41.77% | (358/776) | 46.13% |
| css-variables | 89.60% | (213/249) | 85.54% | (598/774) | 77.26% |
| css-mixins | 9.84% | (1/55) | 1.82% | (66/603) | 10.95% |
| css-shadow | 7.05% | (14/208) | 6.73% | (24/491) | 4.89% |
| css-syntax | 57.92% | (26/50) | 52.00% | (412/446) | 92.38% |
| fill-stroke | 22.15% | (2/11) | 18.18% | (94/410) | 22.93% |
| css-page | 38.67% | (99/258) | 38.37% | (112/408) | 27.45% |
| css-counter-styles | 8.17% | (16/259) | 6.18% | (82/402) | 20.40% |
| css-content | 19.50% | (13/78) | 16.67% | (193/322) | 59.94% |
| WOFF2 | 98.32% | (293/298) | 98.32% | (293/298) | 98.32% |
| css-highlight-api | 11.45% | (15/134) | 11.19% | (23/290) | 7.93% |
| css-font-loading | 19.03% | (6/32) | 18.75% | (19/249) | 7.63% |
| css-ruby | 36.52% | (65/178) | 36.52% | (93/247) | 37.65% |
| compositing | 31.89% | (25/81) | 30.86% | (157/233) | 67.38% |
| css-will-change | 52.83% | (28/53) | 52.83% | (196/221) | 88.69% |
| css-size-adjust | 20.00% | (1/5) | 20.00% | (4/215) | 1.86% |
| css-rhythm | 25.51% | (8/35) | 22.86% | (71/201) | 35.32% |
| css-color-adjust | 44.56% | (14/36) | 38.89% | (136/191) | 71.20% |
| css-layout-api | 13.12% | (19/153) | 12.42% | (23/159) | 14.47% |
| css-easing | 73.46% | (8/14) | 57.14% | (116/158) | 73.42% |
| css-nesting | 78.91% | (34/47) | 72.34% | (120/149) | 80.54% |
| css-paint-api | 81.31% | (95/118) | 80.51% | (114/144) | 79.17% |
| css-color-hdr | 14.65% | (0/4) | 0.00% | (17/116) | 14.66% |
| css-scrollbars | 44.15% | (22/57) | 38.60% | (67/115) | 58.26% |
| css-scroll-anchoring | 7.59% | (6/79) | 7.59% | (7/99) | 7.07% |
| css-overscroll-behavior | 34.72% | (2/12) | 16.67% | (58/97) | 59.79% |
| css-navigation | 25.50% | (4/26) | 15.38% | (30/88) | 34.09% |
| css-forms | 8.70% | (2/23) | 8.70% | (2/81) | 2.47% |
| css-link-params | 16.67% | (1/6) | 16.67% | (12/75) | 16.00% |
| css-parser-api | 7.00% | (0/1) | 0.00% | (5/71) | 7.04% |
| css-env | 94.63% | (9/11) | 81.82% | (48/53) | 90.57% |
| printing | 77.42% | (24/31) | 77.42% | (24/31) | 77.42% |
| css-image-animation | 65.22% | (15/23) | 65.22% | (15/27) | 55.56% |
| css-namespaces | 100.00% | (23/23) | 100.00% | (23/23) | 100.00% |
| css-style-attr | 93.75% | (15/16) | 93.75% | (15/16) | 93.75% |
| css-exclusions | 0.00% | (0/12) | 0.00% | (0/15) | 0.00% |
| css-forced-color-adjust | 83.30% | (2/4) | 50.00% | (12/14) | 85.71% |
| css-device-adapt | 28.57% | (2/7) | 28.57% | (2/7) | 28.57% |
| fetching | 0.00% | (0/1) | 0.00% | (0/4) | 0.00% |
| reference | 66.67% | (2/3) | 66.67% | (2/3) | 66.67% |
| css-motion-path | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |
| css-zoom | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |