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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-tables

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-tables

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

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total55.88%(169/342)49.42%(579/1126)51.42%
tentative15.81%(1/49)2.04%(103/359)28.69%
animations75.00%(0/1)0.00%(90/120)75.00%
parsing100.00%(15/15)100.00%(37/37)100.00%
width-distribution66.67%(10/15)66.67%(24/35)68.57%
crashtests100.00%(32/32)100.00%(32/32)100.00%
height-distribution60.00%(9/17)52.94%(18/32)56.25%
paint83.33%(5/6)83.33%(5/6)83.33%
TestSubtestsSubtest %Status
absolute-crash.html(1/1)100.00%PASS
absolute-tables-001.html(8/8)100.00%PASS
absolute-tables-002.html(0/4)0.00%FAIL
absolute-tables-003.html(0/4)0.00%FAIL
absolute-tables-004.html(0/4)0.00%FAIL
absolute-tables-005.html(2/4)50.00%FAIL
absolute-tables-006.html(1/1)100.00%PASS
absolute-tables-007.html(1/1)100.00%PASS
absolute-tables-008.tentative.html(1/1)100.00%PASS
absolute-tables-009.tentative.html(0/1)0.00%FAIL
absolute-tables-010.tentative.html(1/1)100.00%PASS
absolute-tables-011.tentative.html(1/1)100.00%PASS
absolute-tables-012.html(1/1)100.00%PASS
absolute-tables-013.html(1/1)100.00%PASS
absolute-tables-014.html(1/1)100.00%PASS
absolute-tables-015.html(1/1)100.00%PASS
absolute-tables-016.html(1/1)100.00%PASS
abspos-container-change-dynamic-001.html(1/1)100.00%PASS
anonymous-table-cell-margin-collapsing.html(0/1)0.00%FAIL
anonymous-table-ws-001.html(0/1)0.00%FAIL
auto-layout-calc-width-001.html(1/1)100.00%PASS
background-clip-001.html(0/1)0.00%FAIL
baseline-empty-cell-001.html(1/1)100.00%PASS
baseline-vertical.html(0/1)0.00%FAIL
border-collapse-double-border.html(1/1)100.00%PASS
border-collapse-dynamic-col-001.html(1/1)100.00%PASS
border-collapse-dynamic-oof.html(0/1)0.00%FAIL
border-collapse-dynamic-section.html(0/1)0.00%FAIL
border-collapse-empty-cell.html(1/1)100.00%PASS
border-collapse-rowspan-cell.html(1/1)100.00%PASS
border-conflict-resolution.html(0/1)0.00%FAIL
border-spacing-included-in-sizes-001.html(0/4)0.00%FAIL
border-writing-mode-dynamic-001.html(0/1)0.00%FAIL
bounding-box-computation-1.html(0/12)0.00%FAIL
bounding-box-computation-2.html(4/12)33.33%FAIL
bounding-box-computation-3.html(4/10)40.00%FAIL
box-shadow-001.html(0/1)0.00%FAIL
calc-percent-plus-0px-auto.html(1/1)100.00%PASS
calc-percent-plus-0px-fixed.html(1/1)100.00%PASS
caption-cyclic-percentage.html(3/3)100.00%PASS
caption-orthogonal-block-start-margin.html(0/2)0.00%FAIL
caption-orthogonal-margin-in-table-block-axis.html(0/2)0.00%FAIL
caption-relative-positioning.html(0/1)0.00%FAIL
caption-side-1.html(0/2)0.00%FAIL
caption-writing-mode-001.html(0/2)0.00%FAIL
caption-writing-mode-002.html(1/1)100.00%PASS
chrome-rowspan-bug.html(0/1)0.00%FAIL
col-definite-max-size-001.html(1/1)100.00%PASS
col-definite-min-size-001.html(1/1)100.00%PASS
col-definite-size-001.html(1/1)100.00%PASS
col_removal.html(0/1)0.00%FAIL
collapsed-border-color-change-with-compositing.html(1/1)100.00%PASS
collapsed-border-fragmentation-001-print.html(1/1)100.00%PASS
collapsed-border-fragmentation-002-print.html(0/1)0.00%FAIL
collapsed-border-large-rowgroup-001.html(0/1)0.00%FAIL
collapsed-border-large-rowgroup-002.html(0/1)0.00%FAIL
collapsed-border-paint-phase-001.html(0/1)0.00%FAIL
collapsed-border-paint-phase-002.html(0/1)0.00%FAIL
collapsed-border-partial-invalidation-001.html(0/1)0.00%FAIL
collapsed-border-partial-invalidation-002.html(0/1)0.00%FAIL
collapsed-border-partial-invalidation-003.html(1/1)100.00%PASS
collapsed-border-positioned-tr-td.html(1/1)100.00%PASS
collapsed-border-remove-cell.html(1/1)100.00%PASS
collapsed-border-remove-row-group.html(1/1)100.00%PASS
collapsed-border-sideways-rl-rtl-overflow.html(1/1)100.00%PASS
collapsed-border-vertical-lr-rtl-overflow.html(1/1)100.00%PASS
collapsed-border-vertical-rtl-overflow.html(1/1)100.00%PASS
collapsed-border-writing-mode-color.html(1/1)100.00%PASS
collapsed-scroll-overflow.html(1/1)100.00%PASS
colspan-001.html(0/5)0.00%FAIL
colspan-002.html(0/5)0.00%FAIL
colspan-003.html(0/5)0.00%FAIL
colspan-004.html(0/1)0.00%FAIL
colspan-zero-crash.html(1/1)100.00%PASS
column-track-merging.html(4/13)30.77%FAIL
display-contents-001.html(0/1)0.00%FAIL
display-contents-002.html(0/1)0.00%FAIL
display-contents-003.html(0/1)0.00%FAIL
dynamic-rowspan-change.html(2/2)100.00%PASS
dynamic-table-cell-height.html(0/1)0.00%FAIL
empty-table-height.html(1/1)100.00%PASS
fixed-layout-1.html(5/5)100.00%PASS
fixed-layout-2.html(5/20)25.00%FAIL
fixed-layout-calc-width-001.html(1/1)100.00%PASS
fixed-layout-excess-width-distribution-001.html(0/1)0.00%FAIL
fixup-dynamic-anonymous-inline-table-001.html(0/1)0.00%FAIL
fixup-dynamic-anonymous-inline-table-002.html(0/1)0.00%FAIL
fixup-dynamic-anonymous-inline-table-003.html(0/1)0.00%FAIL
fixup-dynamic-anonymous-table-001.html(0/1)0.00%FAIL
fractional-percent-width.html(0/3)0.00%FAIL
html-display-table.html(0/1)0.00%FAIL
html-to-css-mapping-1.html(3/4)75.00%FAIL
html-to-css-mapping-2.html(10/25)40.00%FAIL
html5-table-formatting-1.html(5/6)83.33%FAIL
html5-table-formatting-2.html(12/12)100.00%PASS
html5-table-formatting-3.html(0/8)0.00%FAIL
html5-table-formatting-fixed-layout-1.html(0/2)0.00%FAIL
iframe-display-table-content-insertion.html(1/1)100.00%PASS
inheritance.html(10/10)100.00%PASS
insert-after-col.html(1/1)100.00%PASS
insert-after-colgroup.html(1/1)100.00%PASS
internal-containing-block-001.html(1/1)100.00%PASS
max-height-table.html(0/1)0.00%FAIL
min-height-table-2.html(1/1)100.00%PASS
min-height-table.html(1/1)100.00%PASS
min-max-size-table-content-box.html(0/1)0.00%FAIL
multicol-table-collapsed-border-crash.html(1/1)100.00%PASS
multicol-table-crash.html(1/1)100.00%PASS
no-overflow-with-table-cell-margins.html(1/1)100.00%PASS
out-of-order-elements-collapsed-border.html(1/1)100.00%PASS
percent-height-overflow-auto-in-restricted-block-size-cell.html(0/1)0.00%FAIL
percent-height-overflow-auto-in-unrestricted-block-size-cell.tentative.html(0/1)0.00%FAIL
percent-height-replaced-in-percent-cell-002.html(1/1)100.00%PASS
percent-height-replaced-in-percent-cell-003.html(0/1)0.00%FAIL
percent-height-replaced-in-percent-cell-004.html(0/1)0.00%FAIL
percent-height-replaced-in-percent-cell.tentative.html(1/1)100.00%PASS
percent-height-table-cell-child.html(0/1)0.00%FAIL
percent-width-cell-dynamic.html(0/1)0.00%FAIL
percent-width-ignored-001.tentative.html(0/1)0.00%FAIL
percent-width-ignored-002.tentative.html(0/1)0.00%FAIL
percent-width-ignored-003.tentative.html(0/1)0.00%FAIL
percentages-grandchildren-quirks-mode-001.html(0/1)0.00%FAIL
percentages-grandchildren-quirks-mode-002.html(0/1)0.00%FAIL
remove-caption-from-anon-table.html(1/1)100.00%PASS
remove-colgroup-from-anon-table.html(1/1)100.00%PASS
row-group-margin-border-padding.html(1/1)100.00%PASS
row-group-order.html(1/1)100.00%PASS
row-margin-border-padding.html(1/1)100.00%PASS
rowspan-cell-border-after-color.html(0/1)0.00%FAIL
rules-groups.html(1/1)100.00%PASS
subpixel-collapsed-borders-001.html(0/1)0.00%FAIL
subpixel-collapsed-borders-002.html(0/1)0.00%FAIL
subpixel-collapsed-borders-003.html(0/1)0.00%FAIL
subpixel-table-cell-height-001.html(1/1)100.00%PASS
subpixel-table-cell-width-001.html(1/1)100.00%PASS
subpixel-table-cell-width-002.html(1/1)100.00%PASS
subpixel-table-width-001.html(1/1)100.00%PASS
table-as-item-cell-percentage-001.html(1/1)100.00%PASS
table-as-item-cell-percentage-002.html(1/1)100.00%PASS
table-as-item-cell-percentage-003.html(1/1)100.00%PASS
table-as-item-cell-percentage-004.html(1/1)100.00%PASS
table-caption-after-crash.html(1/1)100.00%PASS
table-cell-baseline-static-position.html(1/1)100.00%PASS
table-cell-child-overflow-measure.html(1/1)100.00%PASS
table-cell-inline-size-box-sizing-quirks.html(1/1)100.00%PASS
table-cell-overflow-auto-scrolled.html(1/1)100.00%PASS
table-cell-overflow-auto.html(1/1)100.00%PASS
table-cell-overflow-explicit-height-001.html(0/1)0.00%FAIL
table-cell-overflow-explicit-height-002.html(0/1)0.00%FAIL
table-cell-scroll-height.html(1/1)100.00%PASS
table-cell-width-0.html(0/1)0.00%FAIL
table-cell-writing-mode-computed.html(0/1)0.00%FAIL
table-collapsed-row-or-column-crash.html(1/1)100.00%PASS
table-colspan-percent-auto.html(1/1)100.00%PASS
table-has-box-sizing-border-box-001.html(1/1)100.00%PASS
table-has-box-sizing-border-box-002.html(1/1)100.00%PASS
table-intrinsic-size-001.html(0/1)0.00%FAIL
table-intrinsic-size-002.html(0/1)0.00%FAIL
table-intrinsic-size-003.html(0/1)0.00%FAIL
table-intrinsic-size-004.html(0/1)0.00%FAIL
table-model-fixup-2.html(24/40)60.00%FAIL
table-model-fixup.html(2/11)18.18%FAIL
table-position-sticky-computed.html(5/5)100.00%PASS
table-row-group-color-inheritance-001.html(0/1)0.00%FAIL
table-row-group-nested-anonymous-001.html(1/1)100.00%PASS
table_grid_size_col_colspan.html(0/1)0.00%FAIL
tfoot-crash-print.html(0/1)0.00%FAIL
th-text-align.html(1/1)100.00%PASS
toggle-row-display-property-001.html(1/1)100.00%PASS
visibility-collapse-border-spacing-001.html(0/1)0.00%FAIL
visibility-collapse-border-spacing-002.html(0/1)0.00%FAIL
visibility-collapse-col-001.html(1/2)50.00%FAIL
visibility-collapse-col-002.html(1/2)50.00%FAIL
visibility-collapse-col-003.html(1/2)50.00%FAIL
visibility-collapse-col-004-dynamic.html(1/2)50.00%FAIL
visibility-collapse-col-005.html(1/2)50.00%FAIL
visibility-collapse-colspan-001.html(1/2)50.00%FAIL
visibility-collapse-colspan-002.html(1/2)50.00%FAIL
visibility-collapse-colspan-003.html(0/1)0.00%FAIL
visibility-collapse-colspan-crash.html(1/1)100.00%PASS
visibility-collapse-non-rowcol-001.html(6/6)100.00%PASS
visibility-collapse-row-001.html(1/2)50.00%FAIL
visibility-collapse-row-002-dynamic.html(1/2)50.00%FAIL
visibility-collapse-row-003-dynamic.html(1/2)50.00%FAIL
visibility-collapse-row-004.html(0/1)0.00%FAIL
visibility-collapse-row-005.html(0/2)0.00%FAIL
visibility-collapse-row-group-001.html(4/5)80.00%FAIL
visibility-collapse-row-group-002.html(1/2)50.00%FAIL
visibility-collapse-rowcol-001.html(0/2)0.00%FAIL
visibility-collapse-rowcol-002.html(0/2)0.00%FAIL
visibility-collapse-rowspan-001.html(2/2)100.00%PASS
visibility-collapse-rowspan-002-border-separate.html(5/6)83.33%FAIL
visibility-collapse-rowspan-002.html(5/6)83.33%FAIL
visibility-collapse-rowspan-003-border-separate.html(6/6)100.00%PASS
visibility-collapse-rowspan-003.html(6/6)100.00%PASS
visibility-collapse-rowspan-004-dynamic.html(16/18)88.89%FAIL
visibility-collapse-rowspan-005.html(0/1)0.00%FAIL
visibility-collapse-rowspan-crash.html(1/1)100.00%PASS
visibility-hidden-col-001.html(2/2)100.00%PASS
visibility-hidden-collapsed-borders.html(1/1)100.00%PASS
visibility-hidden-nested-001.html(8/8)100.00%PASS
visibility-hidden-nested-002.html(4/4)100.00%PASS
visibility-hidden-row-001.html(3/3)100.00%PASS
visibility-hidden-row-002.html(3/3)100.00%PASS
whitespace-001.html(0/1)0.00%FAIL
zero-rowspan-001.html(0/1)0.00%FAIL
zero-rowspan-002.html(0/1)0.00%FAIL