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Status

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

CSS PropertiesHTML ElementsEventsWPT Tests

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

Note: As it does not have a JavaScript engine, Blitz can only run about 20% of the total subtests. In the numbers below, tests that Blitz can't run are ignored and percentages are relative to the number of tests run.

Data from commit:
708eb61 WPT runner: support mismatch reftests and multiple rel=match links (#665) (2026-08-09)

wpt / css / css-break / table / repeated-section

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total23.60%(9/38)23.68%(9/38)23.68%
TestSubtestsSubtest %Status
abspos-in-monolithic.tentative.html(0/1)0.00%FAIL
abspos-uncontained-text.html(0/1)0.00%FAIL
abspos-uncontained.tentative.html(0/1)0.00%FAIL
abspos.tentative.html(0/1)0.00%FAIL
background-001.tentative.html(0/1)0.00%FAIL
balanced-inner-multicol.html(0/1)0.00%FAIL
block-in-inline.tentative.html(0/1)0.00%FAIL
border-spacing-taller-than-fragmentainer-001-crash.html(1/1)100.00%PASS
border-spacing-taller-than-fragmentainer-002-crash.html(1/1)100.00%PASS
border-spacing-taller-than-fragmentainer-003-crash.html(1/1)100.00%PASS
break-avoidance-in-bottom-caption.tentative.html(0/1)0.00%FAIL
captions.tentative.html(0/1)0.00%FAIL
fixedpos-in-footer-forced-break-print.html(0/1)0.00%CRASH
footer.tentative.html(0/1)0.00%FAIL
forced-break-before-repeated-footer-001.tentative.html(0/1)0.00%FAIL
forced-break-before-repeated-footer-002.tentative.html(0/1)0.00%FAIL
forced-break-before-repeated-footer-003.tentative.html(0/1)0.00%FAIL
header-after-break.tentative.html(0/1)0.00%FAIL
header-footer.tentative.html(0/1)0.00%FAIL
header.tentative.html(0/1)0.00%FAIL
image.tentative.html(0/1)0.00%FAIL
inline-block.tentative.html(0/1)0.00%FAIL
multicol.tentative.html(0/1)0.00%FAIL
multiple-row-groups.tentative.html(0/1)0.00%FAIL
nested-repeated-header-crash.html(1/1)100.00%PASS
repeated-footer-insufficient-space-crash.html(1/1)100.00%PASS
repeated-header-border-spacing.tentative.html(0/1)0.00%FAIL
repeated-section-in-clipped-overflow-001.tentative.html(0/1)0.00%FAIL
repeated-section-in-clipped-overflow-002.tentative.html(0/1)0.00%FAIL
repeated-section-in-clipped-overflow-003.tentative.html(0/1)0.00%FAIL
tall-monolithic-after-repeated-header.tentative.html(0/1)0.00%FAIL
text-in-nested-multicol.html(0/1)0.00%FAIL
variable-fragmentainer-size-001.html(0/1)0.00%FAIL
variable-fragmentainer-size-002.html(0/1)0.00%FAIL
variable-fragmentainer-size-003-crash.html(1/1)100.00%PASS
variable-fragmentainer-size-004-crash.html(1/1)100.00%PASS
variable-fragmentainer-size-005-crash.html(1/1)100.00%PASS
variable-fragmentainer-size-006-crash.html(1/1)100.00%PASS