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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-display

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 2026Nov 2026css/css-display

Data from commit:
ea07ee7 wpt: add skia (CPU raster) renderer option (#1597) (2026-11-15)

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total43.87%(113/268)42.16%(372/895)41.56%
parsing42.51%(1/5)20.00%(179/291)61.51%
accessibility0.00%(0/2)0.00%(0/205)0.00%
run-in42.10%(56/133)42.10%(56/133)42.10%
animations49.30%(0/2)0.00%(36/67)53.73%
reading-flow25.00%(2/8)25.00%(18/46)39.13%
focus100.00%(1/1)100.00%(5/5)100.00%
TestSubtestsSubtest %Status
display-change-iframe.html(0/1)0.00%FAIL
display-change-object-iframe.html(0/1)0.00%FAIL
display-contents-001-crash.html(1/1)100.00%PASS
display-contents-alignment-001.html(1/1)100.00%PASS
display-contents-alignment-002.html(1/1)100.00%PASS
display-contents-before-after-001.html(1/1)100.00%PASS
display-contents-before-after-002.html(1/1)100.00%PASS
display-contents-before-after-003.html(1/1)100.00%PASS
display-contents-block-001.html(1/1)100.00%PASS
display-contents-block-002.html(1/1)100.00%PASS
display-contents-blockify-dynamic.html(3/3)100.00%PASS
display-contents-button.html(1/1)100.00%PASS
display-contents-computed-style.html(4/5)80.00%FAIL
display-contents-details-001.html(1/1)100.00%PASS
display-contents-details.html(1/1)100.00%PASS
display-contents-dynamic-before-after-001.html(0/1)0.00%FAIL
display-contents-dynamic-before-after-first-letter-001.html(0/1)0.00%FAIL
display-contents-dynamic-fieldset-legend-001.html(0/1)0.00%FAIL
display-contents-dynamic-flex-001-inline.html(1/1)100.00%PASS
display-contents-dynamic-flex-001-none.html(1/1)100.00%PASS
display-contents-dynamic-flex-002-inline.html(0/1)0.00%FAIL
display-contents-dynamic-flex-002-none.html(0/1)0.00%FAIL
display-contents-dynamic-flex-003-inline.html(0/1)0.00%FAIL
display-contents-dynamic-flex-003-none.html(0/1)0.00%FAIL
display-contents-dynamic-generated-content-fieldset-001.html(1/1)100.00%PASS
display-contents-dynamic-inline-flex-001-inline.html(0/1)0.00%FAIL
display-contents-dynamic-inline-flex-001-none.html(0/1)0.00%FAIL
display-contents-dynamic-inline-parent-style.html(0/1)0.00%FAIL
display-contents-dynamic-list-001-inline.html(0/1)0.00%FAIL
display-contents-dynamic-list-001-none.html(0/1)0.00%FAIL
display-contents-dynamic-multicol-001-inline.html(1/1)100.00%PASS
display-contents-dynamic-multicol-001-none.html(1/1)100.00%PASS
display-contents-dynamic-pseudo-insertion-001.html(0/1)0.00%FAIL
display-contents-dynamic-table-001-inline.html(0/1)0.00%FAIL
display-contents-dynamic-table-001-none.html(0/1)0.00%FAIL
display-contents-dynamic-table-002-inline.html(0/1)0.00%FAIL
display-contents-dynamic-table-002-none.html(0/1)0.00%FAIL
display-contents-fieldset-002.html(0/1)0.00%FAIL
display-contents-fieldset-nested-legend.html(0/1)0.00%FAIL
display-contents-fieldset.html(1/1)100.00%PASS
display-contents-first-letter-001.html(0/1)0.00%FAIL
display-contents-first-letter-002.html(0/1)0.00%FAIL
display-contents-first-line-001.html(0/1)0.00%FAIL
display-contents-first-line-002.html(0/1)0.00%FAIL
display-contents-flex-001.html(1/1)100.00%PASS
display-contents-flex-002.html(0/1)0.00%FAIL
display-contents-flex-003.html(0/1)0.00%FAIL
display-contents-float-001.html(1/1)100.00%PASS
display-contents-focusable-001.html(1/1)100.00%PASS
display-contents-inline-001.html(1/1)100.00%PASS
display-contents-inline-002.html(0/1)0.00%FAIL
display-contents-inline-flex-001.html(0/1)0.00%FAIL
display-contents-line-height.html(0/1)0.00%FAIL
display-contents-list-001.html(0/1)0.00%FAIL
display-contents-multicol-001.html(1/1)100.00%PASS
display-contents-oof-001.html(1/1)100.00%PASS
display-contents-oof-002.html(1/1)100.00%PASS
display-contents-parsing-001.html(1/1)100.00%PASS
display-contents-pseudo-click-target.html(0/1)0.00%SKIP
display-contents-replaced-content.html(1/1)100.00%PASS
display-contents-root-background.html(0/1)0.00%FAIL
display-contents-shadow-dom-1.html(0/1)0.00%FAIL
display-contents-shadow-host-whitespace.html(0/1)0.00%FAIL
display-contents-sharing-001.html(1/1)100.00%PASS
display-contents-slot-attach-whitespace.html(1/1)100.00%PASS
display-contents-state-change-001.html(0/1)0.00%FAIL
display-contents-suppression-dynamic-001.html(1/1)100.00%PASS
display-contents-svg-anchor-child.html(1/1)100.00%PASS
display-contents-svg-elements.html(0/1)0.00%FAIL
display-contents-svg-pseudo-crash.html(1/1)100.00%PASS
display-contents-svg-switch-child.html(1/1)100.00%PASS
display-contents-svg-tspan-baseline-shift.html(1/1)100.00%PASS
display-contents-svg-tspan-child-character-positions.html(0/1)0.00%FAIL
display-contents-svg-tspan-child-display-changed.html(0/1)0.00%FAIL
display-contents-svg-tspan-child-removed.html(0/1)0.00%FAIL
display-contents-svg-tspan-child-text-inserted.html(0/1)0.00%FAIL
display-contents-svg-tspan-text-fill.html(1/1)100.00%PASS
display-contents-table-001.html(0/1)0.00%FAIL
display-contents-table-002.html(0/1)0.00%FAIL
display-contents-table-003.html(0/1)0.00%FAIL
display-contents-td-001.html(0/1)0.00%FAIL
display-contents-text-inherit-002.html(1/1)100.00%PASS
display-contents-text-inherit.html(0/1)0.00%FAIL
display-contents-text-line-height-quirks.html(2/3)66.66%FAIL
display-contents-text-line-height.html(0/1)0.00%FAIL
display-contents-text-only-001.html(1/1)100.00%PASS
display-contents-text-only-content-properties.html(0/1)0.00%FAIL
display-contents-tr-001.html(0/1)0.00%FAIL
display-contents-unusual-html-elements-none.html(0/1)0.00%FAIL
display-contents-whitespace-inside-inline.html(1/1)100.00%PASS
display-first-letter-001.html(0/1)0.00%FAIL
display-first-line-001.html(0/1)0.00%FAIL
display-first-line-002.html(0/1)0.00%FAIL
display-flow-root-001.html(1/1)100.00%PASS
display-flow-root-002.html(0/1)0.00%FAIL
display-flow-root-dynamic.html(1/1)100.00%PASS
display-flow-root-list-item-001.html(0/1)0.00%FAIL
display-initial.html(6/6)100.00%PASS
display-inline-dynamic-001.html(1/1)100.00%PASS
display-inline-on-block-container.html(0/1)0.00%FAIL
display-list-item-height-after-dom-change.html(1/1)100.00%PASS
display-math-on-non-mathml-elements.html(5/10)50.00%FAIL
display-math-on-pseudo-elements-001.html(3/6)50.00%FAIL
display-math-on-pseudo-elements-002.html(1/1)100.00%PASS
display-none-inline-img.html(1/1)100.00%PASS
display-none-root-hit-test-crash.html(1/1)100.00%PASS
display-on-svg-text-content-element.html(1/1)100.00%PASS
display-table-cell-on-button.html(0/1)0.00%FAIL
display-with-float-dynamic.html(1/1)100.00%PASS
display-with-float.html(1/1)100.00%PASS
empty-text-baseline-001.html(3/3)100.00%PASS
empty-text-baseline-002.html(2/2)100.00%PASS
inheritance.html(2/2)100.00%PASS
order-dynamic.html(1/1)100.00%PASS
select-4-option-optgroup-display-none.html(0/1)0.00%FAIL
table-display-on-fieldset.html(0/1)0.00%FAIL
textarea-display.html(0/1)0.00%FAIL