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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-overflow / scroll-markers

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total24.50%(25/102)24.51%(25/102)24.51%
TestSubtestsSubtest %Status
chrome-421199213-crash.html(1/1)100.00%PASS
column-scroll-marker-001.html(0/1)0.00%FAIL
column-scroll-marker-002.html(0/1)0.00%FAIL
column-scroll-marker-004.html(0/1)0.00%FAIL
column-scroll-marker-006.html(0/1)0.00%FAIL
column-scroll-marker-007.html(0/1)0.00%FAIL
column-scroll-marker-008.html(0/1)0.00%FAIL
column-scroll-marker-011.html(0/1)0.00%FAIL
column-scroll-marker-012.html(0/1)0.00%FAIL
column-scroll-marker-013.html(0/1)0.00%FAIL
column-scroll-marker-014.html(0/1)0.00%FAIL
column-scroll-marker-counters.html(0/1)0.00%FAIL
column-scroll-marker-dynamic-style-update.html(0/1)0.00%FAIL
column-scroll-marker-group-style-remove.html(1/1)100.00%PASS
column-scroll-marker-no-content-crash.html(1/1)100.00%PASS
column-scroll-marker-reattach-target-current.html(0/1)0.00%FAIL
inline-with-scroll-marker-group-crash.html(1/1)100.00%PASS
nested-scroll-markers-under-content-visibility-auto.html(1/1)100.00%PASS
root-element-layout-parent-crash.html(1/1)100.00%PASS
root-scroll-button.html(0/1)0.00%FAIL
root-scroll-marker.html(0/1)0.00%FAIL
scroll-button-on-object.html(1/1)100.00%PASS
scroll-button-reattachment-position.html(0/1)0.00%FAIL
scroll-buttons-001.html(0/1)0.00%FAIL
scroll-buttons-002.html(0/1)0.00%FAIL
scroll-buttons-003.html(0/1)0.00%FAIL
scroll-buttons-004.html(0/1)0.00%FAIL
scroll-buttons-appearance.html(0/1)0.00%FAIL
scroll-buttons-container-query-crash.html(1/1)100.00%PASS
scroll-buttons-disabled-rtl.html(0/1)0.00%FAIL
scroll-buttons-disabled-snapping.html(0/1)0.00%FAIL
scroll-buttons-disabled-vertical-ltr.html(0/1)0.00%FAIL
scroll-buttons-disabled.html(0/1)0.00%FAIL
scroll-buttons-dynamic-create-remove.html(1/1)100.00%PASS
scroll-buttons-enabled-rtl.html(0/1)0.00%FAIL
scroll-buttons-enabled-vertical-ltr.html(0/1)0.00%FAIL
scroll-buttons-enabled.html(0/1)0.00%FAIL
scroll-buttons-layout-parent.html(0/1)0.00%FAIL
scroll-marker-001.html(0/1)0.00%FAIL
scroll-marker-002.html(0/1)0.00%FAIL
scroll-marker-003.html(0/1)0.00%FAIL
scroll-marker-004.html(0/1)0.00%FAIL
scroll-marker-005.html(0/1)0.00%FAIL
scroll-marker-006.html(0/1)0.00%FAIL
scroll-marker-007.html(0/1)0.00%FAIL
scroll-marker-008.html(0/1)0.00%FAIL
scroll-marker-009.html(0/1)0.00%FAIL
scroll-marker-010.html(0/1)0.00%FAIL
scroll-marker-011.html(0/1)0.00%FAIL
scroll-marker-012.html(0/1)0.00%FAIL
scroll-marker-014-crash.html(1/1)100.00%PASS
scroll-marker-counters.html(0/1)0.00%FAIL
scroll-marker-dynamic.html(0/1)0.00%FAIL
scroll-marker-group-001.html(0/1)0.00%FAIL
scroll-marker-group-002.html(0/1)0.00%FAIL
scroll-marker-group-005.html(0/1)0.00%FAIL
scroll-marker-group-006.html(1/1)100.00%PASS
scroll-marker-group-007.html(0/1)0.00%FAIL
scroll-marker-group-008.html(0/1)0.00%FAIL
scroll-marker-group-009.html(0/1)0.00%FAIL
scroll-marker-group-010.html(1/1)100.00%PASS
scroll-marker-group-011.html(0/1)0.00%FAIL
scroll-marker-group-013.html(0/1)0.00%FAIL
scroll-marker-group-015.html(0/1)0.00%FAIL
scroll-marker-group-016.html(0/1)0.00%FAIL
scroll-marker-group-017.html(0/1)0.00%FAIL
scroll-marker-group-018.html(0/1)0.00%FAIL
scroll-marker-group-019.html(0/1)0.00%FAIL
scroll-marker-group-020.html(0/1)0.00%FAIL
scroll-marker-group-add-dynamic-001.html(0/1)0.00%FAIL
scroll-marker-group-add-dynamic-002.html(0/1)0.00%FAIL
scroll-marker-group-add-dynamic-003.html(0/1)0.00%FAIL
scroll-marker-group-add-dynamic-004.html(0/1)0.00%FAIL
scroll-marker-group-keeps-active-in-view.html(0/1)0.00%FAIL
scroll-marker-group-layout-parent.html(0/1)0.00%FAIL
scroll-marker-group-snap-aligns-to-active.tentative.html(0/1)0.00%FAIL
scroll-marker-group-style-remove.html(1/1)100.00%PASS
scroll-marker-selection-in-2d.html(0/1)0.00%FAIL
scroll-markers-added-after-content-visibility-auto.html(1/1)100.00%PASS
scroll-markers-added-before-content-visibility-auto.html(1/1)100.00%PASS
scroll-markers-container-query-crash.html(1/1)100.00%PASS
scroll-markers-inside-canvas-crash.html(1/1)100.00%PASS
scroll-markers-inside-select-crash.html(1/1)100.00%PASS
scroll-markers-under-content-visibility-auto.html(1/1)100.00%PASS
scroll-target-group-001.html(0/1)0.00%FAIL
scroll-target-group-002.html(0/1)0.00%FAIL
scroll-target-group-003.html(0/1)0.00%FAIL
scroll-target-group-004.html(0/1)0.00%FAIL
scroll-target-group-005.html(0/1)0.00%FAIL
scroll-target-group-006.html(0/1)0.00%FAIL
scroll-target-group-007.html(0/1)0.00%FAIL
scroll-target-group-008.html(1/1)100.00%PASS
scroll-target-group-009.html(0/1)0.00%FAIL
scroll-target-group-010.html(0/1)0.00%FAIL
scroll-target-group-011.html(0/1)0.00%FAIL
scroll-target-group-012.html(0/1)0.00%FAIL
scroll-target-group-inline-crash.html(1/1)100.00%PASS
scroll-target-group-inline-targets.html(0/1)0.00%FAIL
targeted-column-scroll-marker-selection-001.html(1/1)100.00%PASS
targeted-column-scroll-marker-selection-002.html(1/1)100.00%PASS
targeted-column-scroll-marker-selection-003.html(1/1)100.00%PASS
targeted-column-scroll-marker-selection-004.html(1/1)100.00%PASS