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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-will-change

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-will-change

Data from commit:
b6ace6a

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total60.37%(32/53)60.37%(200/221)90.49%
parsing100.00%(3/3)100.00%(170/170)100.00%
TestSubtestsSubtest %Status
inheritance.html(2/2)100.00%PASS
will-change-abspos-cb-001.html(1/1)100.00%PASS
will-change-abspos-cb-002.html(1/1)100.00%PASS
will-change-abspos-cb-003.html(1/1)100.00%PASS
will-change-abspos-cb-dynamic-001.html(1/1)100.00%PASS
will-change-contents-crash.html(1/1)100.00%PASS
will-change-fixedpos-cb-001.html(1/1)100.00%PASS
will-change-fixedpos-cb-002.html(0/1)0.00%FAIL
will-change-fixedpos-cb-003.html(1/1)100.00%PASS
will-change-fixedpos-cb-004.html(1/1)100.00%PASS
will-change-fixedpos-cb-005.html(0/1)0.00%FAIL
will-change-fixedpos-cb-006.html(1/1)100.00%PASS
will-change-fixpos-cb-contain-1.html(1/1)100.00%PASS
will-change-fixpos-cb-filter-1.html(1/1)100.00%PASS
will-change-fixpos-cb-height-1.html(1/1)100.00%PASS
will-change-fixpos-cb-offset-path-1.html(1/1)100.00%PASS
will-change-fixpos-cb-perspective-1.html(1/1)100.00%PASS
will-change-fixpos-cb-position-1.html(1/1)100.00%PASS
will-change-fixpos-cb-transform-1.html(1/1)100.00%PASS
will-change-fixpos-cb-transform-style-1.html(1/1)100.00%PASS
will-change-fixpos-cb-translate-1.html(1/1)100.00%PASS
will-change-fixpos-cb-webkit-perspective-1.html(1/1)100.00%PASS
will-change-inherit-dynamic.html(1/1)100.00%PASS
will-change-stacking-context-backdrop-filter-1.html(0/1)0.00%FAIL
will-change-stacking-context-clip-path-1.html(0/1)0.00%FAIL
will-change-stacking-context-filter-1.html(0/1)0.00%FAIL
will-change-stacking-context-height-1.html(1/1)100.00%PASS
will-change-stacking-context-isolation-1.html(0/1)0.00%FAIL
will-change-stacking-context-mask-1.html(0/1)0.00%FAIL
will-change-stacking-context-mask-image-1.html(0/1)0.00%FAIL
will-change-stacking-context-mix-blend-mode-1.html(0/1)0.00%FAIL
will-change-stacking-context-offset-path-1.html(0/1)0.00%FAIL
will-change-stacking-context-opacity-1.html(0/1)0.00%FAIL
will-change-stacking-context-opacity-2.html(0/1)0.00%FAIL
will-change-stacking-context-perspective-1.html(0/1)0.00%FAIL
will-change-stacking-context-position-1.html(0/1)0.00%FAIL
will-change-stacking-context-transform-1.html(0/1)0.00%FAIL
will-change-stacking-context-transform-style-1.html(0/1)0.00%FAIL
will-change-stacking-context-translate-1.html(0/1)0.00%FAIL
will-change-stacking-context-view-transition-name-1.html(0/1)0.00%FAIL
will-change-stacking-context-z-index-1.html(0/1)0.00%FAIL
will-change-stacking-context-z-index-2.html(0/1)0.00%FAIL
will-change-stacking-context-z-index-3.html(0/1)0.00%FAIL
will-change-stacking-context-z-index-4.html(1/1)100.00%PASS
will-change-transform-add-content.html(1/1)100.00%PASS
will-change-transform-huge-offset-scrolled.html(1/1)100.00%PASS
will-change-transform-image.html(1/1)100.00%PASS
will-change-transform-inline.html(1/1)100.00%PASS
will-change-transform-zero-size-child-overflow-visible.html(1/1)100.00%PASS
will-change-will-change-1.html(1/1)100.00%PASS