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Status

This page documents the implementation status of various HTML and CSS features in Blitz.

CSS PropertiesHTML ElementsEventsWPT TestsWPT History

This page documents Blitz's scores on the "css" subsuite of the Web Platform Tests.

wpt / css / css-grid / grid-items

Score history
1 month3 months6 months1 year2 years4 yearsAll time
0%20%40%60%80%100%May 2025Jul 2025Sep 2025Nov 2025Jan 2026Mar 2026May 2026Jul 2026Sep 2026css/css-grid/grid-items

Data from commit:
89e5e61 Implement `text-align-last` (#998) (2026-10-01)

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total80.78%(164/208)78.85%(693/1076)64.41%
TestSubtestsSubtest %Status
anonymous-grid-item-001.html(1/1)100.00%PASS
anonymous-grid-item-002.html(1/1)100.00%PASS
aspect-ratio-001.html(1/1)100.00%PASS
aspect-ratio-002.html(1/1)100.00%PASS
aspect-ratio-003.html(1/1)100.00%PASS
aspect-ratio-004.html(1/1)100.00%PASS
aspect-ratio-005.html(0/1)0.00%FAIL
explicitly-sized-grid-item-as-table.html(0/1)0.00%FAIL
grid-auto-margin-and-replaced-item-001.html(0/1)0.00%FAIL
grid-automatic-minimum-intrinsic-aspect-ratio-001.html(13/14)92.86%FAIL
grid-img-item-percent-max-height-001.html(0/1)0.00%FAIL
grid-inline-items-001.html(1/1)100.00%PASS
grid-inline-items-002.html(0/1)0.00%FAIL
grid-inline-items-003.html(1/1)100.00%PASS
grid-inline-items-inline-blocks-001.html(1/1)100.00%PASS
grid-inline-order-property-auto-placement-001.html(1/1)100.00%PASS
grid-inline-order-property-auto-placement-002.html(1/1)100.00%PASS
grid-inline-order-property-auto-placement-003.html(1/1)100.00%PASS
grid-inline-order-property-auto-placement-004.html(1/1)100.00%PASS
grid-inline-order-property-auto-placement-005.html(1/1)100.00%PASS
grid-inline-order-property-painting-001.html(1/1)100.00%PASS
grid-inline-order-property-painting-002.html(1/1)100.00%PASS
grid-inline-order-property-painting-003.html(1/1)100.00%PASS
grid-inline-order-property-painting-004.html(1/1)100.00%PASS
grid-inline-order-property-painting-005.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-001.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-002.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-003.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-004.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-005.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-001.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-002.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-003.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-004.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-005.html(1/1)100.00%PASS
grid-inline-z-axis-ordering-overlapped-items-006.html(1/1)100.00%PASS
grid-intrinsic-maximums.html(0/1)0.00%FAIL
grid-item-block-axis-content-contribution-001.html(1/1)100.00%PASS
grid-item-block-axis-content-contribution-002.html(1/1)100.00%PASS
grid-item-block-axis-content-contribution-003.html(1/1)100.00%PASS
grid-item-border-padding-001.html(1/1)100.00%PASS
grid-item-border-padding-002.html(1/1)100.00%PASS
grid-item-border-padding-003.html(1/1)100.00%PASS
grid-item-border-padding-004.html(1/1)100.00%PASS
grid-item-containing-block-001.html(1/1)100.00%PASS
grid-item-containing-block-002.html(1/1)100.00%PASS
grid-item-containing-block-003.html(1/1)100.00%PASS
grid-item-containing-block-004.html(1/1)100.00%PASS
grid-item-direction-rtl-001.html(1/1)100.00%PASS
grid-item-dynamic-min-contribution-001.html(7/7)100.00%PASS
grid-item-fixed-max-height-001.html(1/1)100.00%PASS
grid-item-fixed-max-width-001.html(1/1)100.00%PASS
grid-item-flex-container-001.html(9/9)100.00%PASS
grid-item-inline-contribution-001.html(1/1)100.00%PASS
grid-item-inline-contribution-002.html(1/1)100.00%PASS
grid-item-inline-contribution-003.html(1/1)100.00%PASS
grid-item-inline-contribution-004.html(1/1)100.00%PASS
grid-item-inline-contribution-005.html(1/1)100.00%PASS
grid-item-margins-and-writing-modes-001.html(1/1)100.00%PASS
grid-item-min-auto-size-001.html(4/4)100.00%PASS
grid-item-min-contribution-behaves-as-auto-001.html(2/2)100.00%PASS
grid-item-min-contribution-fit-content-001.html(0/1)0.00%FAIL
grid-item-min-height-overrides-fixed-height-001.html(1/1)100.00%PASS
grid-item-min-width-overrides-fixed-width-001.html(1/1)100.00%PASS
grid-item-minimum-size-single-axis-scroll-container.html(2/4)50.00%FAIL
grid-item-minmax-img-001.html(0/1)0.00%FAIL
grid-item-minmax-img-002.html(0/1)0.00%FAIL
grid-item-overflow-auto-max-height-percentage.html(0/1)0.00%FAIL
grid-item-percentage-sizes-001.html(0/1)0.00%FAIL
grid-item-percentage-sizes-002.html(0/1)0.00%FAIL
grid-item-percentage-sizes-003.html(0/1)0.00%FAIL
grid-item-rel-pos-001.html(1/1)100.00%PASS
grid-item-rel-pos-002.html(1/1)100.00%PASS
grid-item-script-001.html(1/1)100.00%PASS
grid-items-001.html(1/1)100.00%PASS
grid-items-002.html(1/1)100.00%PASS
grid-items-003.html(1/1)100.00%PASS
grid-items-contribution-negative-margins.html(1/1)100.00%PASS
grid-items-inline-blocks-001.html(1/1)100.00%PASS
grid-items-minimum-height-orthogonal-001.html(46/46)100.00%PASS
grid-items-minimum-width-001.html(44/44)100.00%PASS
grid-items-minimum-width-002.html(44/44)100.00%PASS
grid-items-minimum-width-orthogonal-001.html(46/46)100.00%PASS
grid-items-minimum-width-orthogonal-002.html(44/44)100.00%PASS
grid-items-minimum-width-vertical-lr-001.html(0/44)0.00%FAIL
grid-items-minimum-width-vertical-lr-002.html(0/44)0.00%FAIL
grid-items-minimum-width-vertical-rl-001.html(0/44)0.00%FAIL
grid-items-minimum-width-vertical-rl-002.html(0/44)0.00%FAIL
grid-items-percentage-margins-001.html(8/8)100.00%PASS
grid-items-percentage-margins-002.html(8/8)100.00%PASS
grid-items-percentage-margins-003.html(1/1)100.00%PASS
grid-items-percentage-margins-004.html(1/1)100.00%PASS
grid-items-percentage-margins-005.html(1/1)100.00%PASS
grid-items-percentage-margins-006.html(1/1)100.00%PASS
grid-items-percentage-margins-007.html(1/1)100.00%PASS
grid-items-percentage-margins-008.html(1/1)100.00%PASS
grid-items-percentage-margins-009.html(1/1)100.00%PASS
grid-items-percentage-margins-010.html(1/1)100.00%PASS
grid-items-percentage-margins-011.html(1/1)100.00%PASS
grid-items-percentage-margins-012.html(1/1)100.00%PASS
grid-items-percentage-margins-013.html(1/1)100.00%PASS
grid-items-percentage-margins-014.html(1/1)100.00%PASS
grid-items-percentage-margins-vertical-lr-001.html(0/8)0.00%FAIL
grid-items-percentage-margins-vertical-lr-002.html(0/8)0.00%FAIL
grid-items-percentage-margins-vertical-rl-001.html(0/8)0.00%FAIL
grid-items-percentage-margins-vertical-rl-002.html(0/8)0.00%FAIL
grid-items-percentage-paddings-001.html(8/8)100.00%PASS
grid-items-percentage-paddings-002.html(8/8)100.00%PASS
grid-items-percentage-paddings-003.html(1/1)100.00%PASS
grid-items-percentage-paddings-004.html(1/1)100.00%PASS
grid-items-percentage-paddings-005.html(1/1)100.00%PASS
grid-items-percentage-paddings-006.html(1/1)100.00%PASS
grid-items-percentage-paddings-007.html(1/1)100.00%PASS
grid-items-percentage-paddings-008.html(1/1)100.00%PASS
grid-items-percentage-paddings-009.html(1/1)100.00%PASS
grid-items-percentage-paddings-010.html(1/1)100.00%PASS
grid-items-percentage-paddings-011.html(1/1)100.00%PASS
grid-items-percentage-paddings-012.html(1/1)100.00%PASS
grid-items-percentage-paddings-013.html(1/1)100.00%PASS
grid-items-percentage-paddings-014.html(1/1)100.00%PASS
grid-items-percentage-paddings-015.html(1/1)100.00%PASS
grid-items-percentage-paddings-vertical-lr-001.html(0/8)0.00%FAIL
grid-items-percentage-paddings-vertical-lr-002.html(0/8)0.00%FAIL
grid-items-percentage-paddings-vertical-rl-001.html(0/8)0.00%FAIL
grid-items-percentage-paddings-vertical-rl-002.html(0/8)0.00%FAIL
grid-items-relative-offsets-001.html(2/6)33.33%FAIL
grid-items-relative-offsets-002.html(2/6)33.33%FAIL
grid-items-relative-positioned-containing-block-001.html(1/1)100.00%PASS
grid-items-relative-positioned-containing-block-002.html(1/1)100.00%PASS
grid-items-relative-positioned-containing-block-003.html(0/1)0.00%FAIL
grid-items-relative-positioned-containing-block-004.html(1/1)100.00%PASS
grid-items-relative-positioned-containing-block-005.html(1/1)100.00%PASS
grid-items-relative-positioned-containing-block-006.html(1/1)100.00%PASS
grid-items-sizing-alignment-001.html(0/1)0.00%FAIL
grid-layout-grid-in-grid.html(1/1)100.00%PASS
grid-layout-z-order-a.html(1/1)100.00%PASS
grid-layout-z-order-b.html(1/1)100.00%PASS
grid-minimum-size-grid-items-001.html(1/1)100.00%PASS
grid-minimum-size-grid-items-002.html(1/1)100.00%PASS
grid-minimum-size-grid-items-003.html(1/1)100.00%PASS
grid-minimum-size-grid-items-004.html(1/1)100.00%PASS
grid-minimum-size-grid-items-005.html(1/1)100.00%PASS
grid-minimum-size-grid-items-006.html(1/1)100.00%PASS
grid-minimum-size-grid-items-007.html(1/1)100.00%PASS
grid-minimum-size-grid-items-008.html(1/1)100.00%PASS
grid-minimum-size-grid-items-009.html(1/1)100.00%PASS
grid-minimum-size-grid-items-010.html(1/1)100.00%PASS
grid-minimum-size-grid-items-011.html(1/1)100.00%PASS
grid-minimum-size-grid-items-012.html(1/1)100.00%PASS
grid-minimum-size-grid-items-013.html(1/1)100.00%PASS
grid-minimum-size-grid-items-014.html(1/1)100.00%PASS
grid-minimum-size-grid-items-015.html(1/1)100.00%PASS
grid-minimum-size-grid-items-016.html(1/1)100.00%PASS
grid-minimum-size-grid-items-017.html(1/1)100.00%PASS
grid-minimum-size-grid-items-018.html(1/1)100.00%PASS
grid-minimum-size-grid-items-019.html(1/1)100.00%PASS
grid-minimum-size-grid-items-020.html(1/1)100.00%PASS
grid-minimum-size-grid-items-021.html(144/144)100.00%PASS
grid-minimum-size-grid-items-022.html(27/45)60.00%FAIL
grid-minimum-size-grid-items-023.html(38/60)63.33%FAIL
grid-minimum-size-grid-items-024.html(13/45)28.89%FAIL
grid-minimum-size-grid-items-025.html(24/60)40.00%FAIL
grid-order-property-auto-placement-001.html(1/1)100.00%PASS
grid-order-property-auto-placement-002.html(1/1)100.00%PASS
grid-order-property-auto-placement-003.html(1/1)100.00%PASS
grid-order-property-auto-placement-004.html(1/1)100.00%PASS
grid-order-property-auto-placement-005.html(1/1)100.00%PASS
grid-order-property-painting-001.html(1/1)100.00%PASS
grid-order-property-painting-002.html(1/1)100.00%PASS
grid-order-property-painting-003.html(1/1)100.00%PASS
grid-order-property-painting-004.html(1/1)100.00%PASS
grid-order-property-painting-005.html(1/1)100.00%PASS
grid-size-with-orthogonal-child-001.html(0/1)0.00%FAIL
grid-size-with-orthogonal-child-002.html(0/1)0.00%FAIL
grid-size-with-orthogonal-child-dynamic.html(0/1)0.00%FAIL
grid-z-axis-ordering-001.html(1/1)100.00%PASS
grid-z-axis-ordering-002.html(1/1)100.00%PASS
grid-z-axis-ordering-003.html(1/1)100.00%PASS
grid-z-axis-ordering-004.html(1/1)100.00%PASS
grid-z-axis-ordering-005.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-001.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-002.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-003.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-004.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-005.html(1/1)100.00%PASS
grid-z-axis-ordering-overlapped-items-006.html(1/1)100.00%PASS
item-with-table-with-infinite-max-intrinsic-width.html(1/1)100.00%PASS
overflow-hidden-min-content-contribution-in-abs-pos-grid-in-flexbox.html(1/1)100.00%PASS
percentage-block-size-transfer-through-item-001.html(1/1)100.00%PASS
percentage-margin-dynamic.html(1/1)100.00%PASS
percentage-size-indefinite-replaced.html(1/1)100.00%PASS
percentage-size-replaced-subitems-001.html(1/1)100.00%PASS
percentage-size-subitems-001.html(1/1)100.00%PASS
percentage-size-subitems-002.html(1/1)100.00%PASS
remove-svg-grid-item-001.html(1/1)100.00%PASS
replaced-element-001.html(0/1)0.00%FAIL
replaced-element-002.html(1/1)100.00%PASS
replaced-element-007.html(0/1)0.00%FAIL
replaced-element-010.html(0/1)0.00%FAIL
replaced-element-011.html(1/1)100.00%PASS
replaced-element-012.html(1/1)100.00%PASS
replaced-element-013.html(1/1)100.00%PASS
replaced-element-014.html(0/1)0.00%FAIL
replaced-element-015.html(1/1)100.00%PASS
replaced-element-016.tentative.html(0/1)0.00%FAIL
replaced-element-017.tentative.html(0/1)0.00%FAIL
table-with-infinite-max-intrinsic-width.html(1/1)100.00%PASS
whitespace-in-grid-item-001.html(1/1)100.00%PASS