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:
b6ace6a
| Area | Interop Score | Tests | Test % | Subtests | Subtest % |
|---|---|---|---|---|---|
| Total | 54.66% | (18961/35903) | 52.81% | (119524/224201) | 53.31% |
| css-grid | 55.96% | (1398/2574) | 54.31% | (13755/17676) | 77.81% |
| css-anchor-position | 16.46% | (74/550) | 13.45% | (1933/13950) | 13.85% |
| css-typed-om | 4.04% | (15/411) | 3.64% | (60/13485) | 0.44% |
| css-color | 88.97% | (323/383) | 84.33% | (11623/13066) | 88.95% |
| css-values | 65.56% | (310/524) | 59.16% | (5820/10659) | 54.60% |
| css-fonts | 56.53% | (296/574) | 51.56% | (6652/9080) | 73.25% |
| CSS2 | 76.17% | (4865/6398) | 76.03% | (7140/8888) | 80.33% |
| css-shapes | 13.72% | (52/391) | 13.29% | (703/7771) | 9.04% |
| css-text | 70.73% | (1431/2049) | 69.83% | (4731/7530) | 62.82% |
| css-backgrounds | 70.74% | (594/880) | 67.50% | (5130/6984) | 73.45% |
| css-sizing | 56.46% | (434/833) | 52.10% | (4357/6976) | 62.45% |
| css-masking | 42.22% | (228/573) | 39.79% | (3751/6911) | 54.27% |
| selectors | 52.43% | (420/840) | 50.00% | (2527/6624) | 38.14% |
| css-transforms | 55.75% | (497/934) | 53.21% | (4163/6342) | 65.64% |
| css-flexbox | 86.98% | (1220/1444) | 84.48% | (5208/5869) | 88.73% |
| css-align | 86.86% | (241/306) | 78.75% | (5017/5499) | 91.23% |
| motion | 17.57% | (14/148) | 9.45% | (2475/5061) | 48.90% |
| css-gaps | 10.22% | (64/646) | 9.90% | (383/4726) | 8.10% |
| cssom | 52.80% | (130/303) | 42.90% | (3458/4489) | 77.03% |
| css-images | 40.13% | (208/538) | 38.66% | (3559/4094) | 86.93% |
| css-conditional | 43.88% | (198/471) | 42.03% | (1870/3501) | 53.41% |
| css-transitions | 41.32% | (53/147) | 36.05% | (925/3459) | 26.74% |
| css-ui | 89.42% | (953/1085) | 87.83% | (2700/3431) | 78.69% |
| filter-effects | 50.50% | (208/434) | 47.92% | (1784/3403) | 52.42% |
| cssom-view | 36.06% | (76/252) | 30.15% | (1480/2675) | 55.32% |
| css-multicol | 43.14% | (308/726) | 42.42% | (893/2248) | 39.72% |
| css-break | 20.51% | (273/1347) | 20.26% | (322/2080) | 15.48% |
| css-overflow | 29.47% | (282/992) | 28.42% | (682/1981) | 34.42% |
| css-borders | 52.73% | (165/322) | 51.24% | (1127/1953) | 57.70% |
| mediaqueries | 51.04% | (49/96) | 51.04% | (49/1845) | 2.65% |
| css-position | 50.00% | (185/398) | 46.48% | (1163/1830) | 63.55% |
| css-cascade | 57.31% | (88/167) | 52.69% | (787/1825) | 43.12% |
| css-view-transitions | 9.62% | (52/545) | 9.54% | (126/1818) | 6.93% |
| css-text-decor | 41.48% | (160/396) | 40.40% | (1142/1724) | 66.24% |
| css-writing-modes | 42.28% | (531/1264) | 42.00% | (715/1599) | 44.71% |
| geometry | 87.04% | (26/31) | 83.87% | (1089/1575) | 69.14% |
| css-animations | 55.17% | (110/211) | 52.13% | (832/1513) | 54.99% |
| css-logical | 84.50% | (64/92) | 69.56% | (1265/1454) | 87.00% |
| css-properties-values-api | 34.07% | (35/125) | 28.00% | (537/1407) | 38.16% |
| css-inline | 26.30% | (105/443) | 23.70% | (473/1252) | 37.77% |
| css-pseudo | 36.49% | (132/368) | 35.86% | (199/1212) | 16.41% |
| css-lists | 54.44% | (133/253) | 52.56% | (835/1189) | 70.22% |
| css-tables | 59.63% | (188/356) | 52.80% | (639/1170) | 54.61% |
| css-box | 43.23% | (32/95) | 33.68% | (679/1024) | 66.30% |
| css-contain | 53.65% | (314/598) | 52.50% | (466/999) | 46.64% |
| css-viewport | 71.81% | (103/147) | 70.06% | (322/905) | 35.58% |
| css-scroll-snap | 8.58% | (16/219) | 7.30% | (156/880) | 17.72% |
| css-display | 44.20% | (113/266) | 42.48% | (372/801) | 46.44% |
| css-variables | 89.01% | (214/251) | 85.25% | (600/777) | 77.22% |
| css-mixins | 9.30% | (1/58) | 1.72% | (66/633) | 10.42% |
| css-shadow | 7.05% | (14/208) | 6.73% | (24/494) | 4.85% |
| css-syntax | 71.07% | (34/52) | 65.38% | (420/448) | 93.75% |
| css-counter-styles | 8.17% | (17/271) | 6.27% | (83/417) | 19.90% |
| css-page | 43.63% | (114/263) | 43.34% | (127/413) | 30.75% |
| fill-stroke | 22.15% | (2/11) | 18.18% | (94/410) | 22.92% |
| css-content | 19.24% | (15/84) | 17.85% | (248/348) | 71.26% |
| WOFF2 | 98.32% | (293/298) | 98.32% | (293/298) | 98.32% |
| css-highlight-api | 11.36% | (15/135) | 11.11% | (23/291) | 7.90% |
| css-ruby | 35.55% | (64/180) | 35.55% | (92/257) | 35.79% |
| css-font-loading | 23.11% | (8/35) | 22.85% | (21/252) | 8.33% |
| compositing | 56.58% | (45/81) | 55.55% | (177/233) | 75.96% |
| css-will-change | 60.37% | (32/53) | 60.37% | (200/221) | 90.49% |
| css-size-adjust | 20.00% | (1/5) | 20.00% | (4/215) | 1.86% |
| css-rhythm | 25.50% | (8/35) | 22.85% | (71/201) | 35.32% |
| css-color-adjust | 44.00% | (16/41) | 39.02% | (138/197) | 70.05% |
| css-easing | 75.22% | (9/15) | 60.00% | (127/169) | 75.14% |
| css-layout-api | 13.76% | (20/153) | 13.07% | (24/159) | 15.09% |
| css-nesting | 78.90% | (34/47) | 72.34% | (120/149) | 80.53% |
| css-paint-api | 81.31% | (95/118) | 80.50% | (114/144) | 79.16% |
| css-color-hdr | 14.65% | (0/4) | 0.00% | (17/116) | 14.65% |
| css-scrollbars | 44.44% | (22/57) | 38.59% | (68/115) | 59.13% |
| css-forms | 7.69% | (2/26) | 7.69% | (2/110) | 1.81% |
| css-overscroll-behavior | 41.66% | (5/12) | 41.66% | (82/109) | 75.22% |
| css-scroll-anchoring | 11.62% | (10/86) | 11.62% | (11/107) | 10.28% |
| css-link-params | 17.76% | (1/9) | 11.11% | (18/99) | 18.18% |
| css-navigation | 25.49% | (4/26) | 15.38% | (30/88) | 34.09% |
| css-env | 79.37% | (7/12) | 58.33% | (48/76) | 63.15% |
| css-parser-api | 7.00% | (0/1) | 0.00% | (5/71) | 7.04% |
| printing | 82.05% | (32/39) | 82.05% | (32/39) | 82.05% |
| css-image-animation | 65.21% | (15/23) | 65.21% | (15/27) | 55.55% |
| 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 | 66.66% | (2/3) | 66.66% | (2/3) | 66.66% |
| css-motion-path | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |
| css-painting | 0.00% | (0/1) | 0.00% | (0/1) | 0.00% |
| css-zoom | 100.00% | (1/1) | 100.00% | (1/1) | 100.00% |