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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-highlight-api

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-highlight-api

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

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total11.92%(16/137)11.67%(24/358)6.70%
painting10.86%(10/92)10.86%(10/92)10.86%
crashtests100.00%(4/4)100.00%(4/4)100.00%
TestSubtestsSubtest %Status
Highlight-invalid-static-range-crash.html(1/1)100.00%PASS
Highlight-iteration-with-modifications.html(0/6)0.00%FAIL
Highlight-iteration.html(0/25)0.00%FAIL
Highlight-multiple-type-attribute.html(0/1)0.00%FAIL
Highlight-setlike-tampered-Set-prototype.html(0/1)0.00%FAIL
Highlight-setlike.html(0/29)0.00%FAIL
Highlight-type-attribute.tentative.html(0/1)0.00%FAIL
HighlightRegistry-highlightsFromPoint-ranges.html(0/1)0.00%FAIL
HighlightRegistry-highlightsFromPoint.html(1/8)12.50%FAIL
HighlightRegistry-iteration-with-modifications.html(0/8)0.00%FAIL
HighlightRegistry-iteration.html(0/15)0.00%FAIL
HighlightRegistry-maplike-tampered-Map-prototype.html(0/1)0.00%FAIL
HighlightRegistry-maplike.html(0/3)0.00%FAIL
custom-highlight-animation-properties.tentative.html(0/66)0.00%FAIL
custom-highlight-escaped-star-001.html(0/1)0.00%FAIL
custom-highlight-universal-deep-chain-001.html(0/1)0.00%FAIL
custom-highlight-universal-escaped-star.html(0/1)0.00%FAIL
custom-highlight-universal-inheritance-001.html(0/1)0.00%FAIL
custom-highlight-universal-no-named-rule-001.html(0/1)0.00%FAIL
custom-highlight-universal-no-named-rule-002.html(0/1)0.00%FAIL
custom-highlight-universal-painting-001.html(0/1)0.00%FAIL
custom-highlight-universal-painting-002.html(0/1)0.00%FAIL
custom-highlight-universal-painting-003.html(0/1)0.00%FAIL
custom-highlight-universal-parsing-and-computed-style.html(0/10)0.00%FAIL
highlight-fallback-not-tinted.html(0/1)0.00%FAIL
highlight-image-currentcolor.html(0/1)0.00%FAIL
highlight-image-stacked.html(0/1)0.00%FAIL
highlight-image.html(0/1)0.00%FAIL
highlight-priority-painting.html(0/1)0.00%FAIL
highlight-priority.html(0/1)0.00%FAIL
highlight-pseudo-computed.html(0/12)0.00%FAIL
highlight-pseudo-from-font-computed.html(0/3)0.00%FAIL
highlight-pseudo-parsing.html(0/16)0.00%FAIL
highlight-text-across-elements.html(0/1)0.00%FAIL
highlight-text-cascade.html(0/1)0.00%FAIL
highlight-text-decorations.html(0/1)0.00%FAIL
highlight-text-dynamic.html(0/1)0.00%FAIL
highlight-text-replace.html(0/1)0.00%FAIL
highlight-text.html(0/1)0.00%FAIL
historical.window.html(1/1)100.00%PASS
idlharness.window.html(7/33)21.21%FAIL