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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-sizing / aspect-ratio

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 2026css/css-sizing/aspect-ratio

Data from commit:
ab0e30b Give form controls a UA default font-family (#940) (2026-09-25)

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total58.80%(168/289)58.13%(335/542)61.81%
parsing100.00%(3/3)100.00%(38/38)100.00%
TestSubtestsSubtest %Status
abspos-001.html(1/1)100.00%PASS
abspos-002.html(1/1)100.00%PASS
abspos-003.html(1/1)100.00%PASS
abspos-004.html(1/1)100.00%PASS
abspos-005.html(1/1)100.00%PASS
abspos-006.html(1/1)100.00%PASS
abspos-007.html(0/1)0.00%FAIL
abspos-008.html(0/1)0.00%FAIL
abspos-009.html(1/1)100.00%PASS
abspos-010.html(1/1)100.00%PASS
abspos-011.html(1/1)100.00%PASS
abspos-012.html(0/1)0.00%FAIL
abspos-013.html(0/1)0.00%FAIL
abspos-014.html(0/1)0.00%FAIL
abspos-015.html(1/1)100.00%PASS
abspos-016.html(0/1)0.00%FAIL
abspos-017.html(1/1)100.00%PASS
abspos-018.html(1/1)100.00%PASS
abspos-019.html(1/1)100.00%PASS
abspos-020.html(1/1)100.00%PASS
abspos-021.html(1/1)100.00%PASS
abspos-aspect-ratio-border.html(6/6)100.00%PASS
aspect-ratio-minimum-size-single-axis-scroll-container.html(2/4)50.00%FAIL
auto-margins-001.html(1/1)100.00%PASS
block-aspect-ratio-001.html(1/1)100.00%PASS
block-aspect-ratio-002.html(1/1)100.00%PASS
block-aspect-ratio-003.html(1/1)100.00%PASS
block-aspect-ratio-004.html(0/1)0.00%FAIL
block-aspect-ratio-005.html(1/1)100.00%PASS
block-aspect-ratio-006.html(0/1)0.00%FAIL
block-aspect-ratio-007.html(1/1)100.00%PASS
block-aspect-ratio-008.html(1/1)100.00%PASS
block-aspect-ratio-009.html(0/1)0.00%FAIL
block-aspect-ratio-010.html(1/1)100.00%PASS
block-aspect-ratio-011.html(1/1)100.00%PASS
block-aspect-ratio-012.html(1/1)100.00%PASS
block-aspect-ratio-013.html(1/1)100.00%PASS
block-aspect-ratio-014.html(0/1)0.00%FAIL
block-aspect-ratio-015.html(0/1)0.00%FAIL
block-aspect-ratio-016.html(1/1)100.00%PASS
block-aspect-ratio-017.html(0/1)0.00%FAIL
block-aspect-ratio-018.html(1/1)100.00%PASS
block-aspect-ratio-019.html(0/1)0.00%FAIL
block-aspect-ratio-020.html(1/1)100.00%PASS
block-aspect-ratio-021.html(1/1)100.00%PASS
block-aspect-ratio-022.html(0/1)0.00%FAIL
block-aspect-ratio-023.html(1/1)100.00%PASS
block-aspect-ratio-024.html(0/1)0.00%FAIL
block-aspect-ratio-025.html(1/1)100.00%PASS
block-aspect-ratio-026.html(1/1)100.00%PASS
block-aspect-ratio-027.html(0/1)0.00%FAIL
block-aspect-ratio-028.html(0/1)0.00%FAIL
block-aspect-ratio-029-crash.html(1/1)100.00%PASS
block-aspect-ratio-030.html(1/1)100.00%PASS
block-aspect-ratio-031.html(1/1)100.00%PASS
block-aspect-ratio-032.html(1/1)100.00%PASS
block-aspect-ratio-033.html(1/1)100.00%PASS
block-aspect-ratio-034.html(0/1)0.00%FAIL
block-aspect-ratio-035.html(0/1)0.00%FAIL
block-aspect-ratio-036.html(1/1)100.00%PASS
block-aspect-ratio-037.html(0/1)0.00%FAIL
block-aspect-ratio-038.html(0/1)0.00%FAIL
block-aspect-ratio-039.html(0/1)0.00%FAIL
block-aspect-ratio-040.html(1/1)100.00%PASS
block-aspect-ratio-041.html(1/1)100.00%PASS
block-aspect-ratio-042.html(0/1)0.00%FAIL
block-aspect-ratio-043.html(0/1)0.00%FAIL
block-aspect-ratio-044.html(0/1)0.00%FAIL
block-aspect-ratio-045.html(0/1)0.00%FAIL
block-aspect-ratio-046.html(1/1)100.00%PASS
block-aspect-ratio-047.html(1/1)100.00%PASS
block-aspect-ratio-048.html(0/1)0.00%FAIL
block-aspect-ratio-049.html(0/1)0.00%FAIL
block-aspect-ratio-050.html(1/1)100.00%PASS
block-aspect-ratio-051-crash.html(1/1)100.00%PASS
block-aspect-ratio-052.html(0/1)0.00%FAIL
block-aspect-ratio-053.html(0/1)0.00%FAIL
block-aspect-ratio-054.html(0/1)0.00%FAIL
block-aspect-ratio-055.html(0/1)0.00%FAIL
block-aspect-ratio-056.html(0/1)0.00%FAIL
block-aspect-ratio-057.tentative.html(0/1)0.00%FAIL
block-aspect-ratio-058.html(1/1)100.00%PASS
block-aspect-ratio-with-margin-collapsing-001.html(1/1)100.00%PASS
block-aspect-ratio-with-margin-collapsing-002.html(1/1)100.00%PASS
box-sizing-aspect-ratio-positioned.html(1/1)100.00%PASS
box-sizing-dimensions.html(4/8)50.00%FAIL
box-sizing-squashed.html(5/16)31.25%FAIL
fieldset-element-001.html(0/1)0.00%FAIL
fieldset-element-002.html(0/1)0.00%FAIL
flex-aspect-ratio-001.html(1/1)100.00%PASS
flex-aspect-ratio-002.html(0/1)0.00%FAIL
flex-aspect-ratio-003.html(1/1)100.00%PASS
flex-aspect-ratio-004.html(0/1)0.00%FAIL
flex-aspect-ratio-005.html(1/1)100.00%PASS
flex-aspect-ratio-006.html(1/1)100.00%PASS
flex-aspect-ratio-007.html(1/1)100.00%PASS
flex-aspect-ratio-008.html(1/1)100.00%PASS
flex-aspect-ratio-009.html(1/1)100.00%PASS
flex-aspect-ratio-010.html(1/1)100.00%PASS
flex-aspect-ratio-011.html(0/1)0.00%FAIL
flex-aspect-ratio-012.html(1/1)100.00%PASS
flex-aspect-ratio-013.html(0/1)0.00%FAIL
flex-aspect-ratio-014.html(1/1)100.00%PASS
flex-aspect-ratio-015.html(1/1)100.00%PASS
flex-aspect-ratio-016.html(1/1)100.00%PASS
flex-aspect-ratio-017.html(1/1)100.00%PASS
flex-aspect-ratio-018.html(1/1)100.00%PASS
flex-aspect-ratio-019.html(1/1)100.00%PASS
flex-aspect-ratio-020.html(1/1)100.00%PASS
flex-aspect-ratio-021.html(1/1)100.00%PASS
flex-aspect-ratio-022.html(1/1)100.00%PASS
flex-aspect-ratio-023.html(0/1)0.00%FAIL
flex-aspect-ratio-024.html(0/1)0.00%FAIL
flex-aspect-ratio-025.html(0/1)0.00%FAIL
flex-aspect-ratio-026.html(0/1)0.00%FAIL
flex-aspect-ratio-027.html(1/1)100.00%PASS
flex-aspect-ratio-028.html(1/1)100.00%PASS
flex-aspect-ratio-029.html(1/1)100.00%PASS
flex-aspect-ratio-030.html(1/1)100.00%PASS
flex-aspect-ratio-031.html(1/1)100.00%PASS
flex-aspect-ratio-032.html(1/1)100.00%PASS
flex-aspect-ratio-033.html(1/1)100.00%PASS
flex-aspect-ratio-034.html(0/1)0.00%FAIL
flex-aspect-ratio-035.html(0/1)0.00%FAIL
flex-aspect-ratio-036.html(0/1)0.00%FAIL
flex-aspect-ratio-037.html(0/1)0.00%FAIL
flex-aspect-ratio-038.html(0/1)0.00%FAIL
flex-aspect-ratio-039.html(0/1)0.00%FAIL
flex-aspect-ratio-040.html(0/1)0.00%FAIL
flex-aspect-ratio-041.html(0/1)0.00%FAIL
flex-aspect-ratio-042.html(0/1)0.00%FAIL
flex-aspect-ratio-043.html(0/1)0.00%FAIL
flex-aspect-ratio-044.html(0/1)0.00%FAIL
flex-aspect-ratio-045.html(1/1)100.00%PASS
flex-aspect-ratio-046.html(1/1)100.00%PASS
flex-aspect-ratio-047.html(1/1)100.00%PASS
flex-aspect-ratio-048.html(1/1)100.00%PASS
flex-aspect-ratio-049.html(0/1)0.00%FAIL
flex-aspect-ratio-050.html(0/1)0.00%FAIL
flex-aspect-ratio-051.html(0/1)0.00%FAIL
flex-aspect-ratio-052.html(0/1)0.00%FAIL
flex-aspect-ratio-053.html(1/1)100.00%PASS
flex-aspect-ratio-054.html(1/1)100.00%PASS
flex-aspect-ratio-055.html(0/1)0.00%FAIL
floats-aspect-ratio-001.html(0/1)0.00%FAIL
fractional-aspect-ratio.html(2/2)100.00%PASS
grid-aspect-ratio-001.html(1/1)100.00%PASS
grid-aspect-ratio-002.html(1/1)100.00%PASS
grid-aspect-ratio-003.html(1/1)100.00%PASS
grid-aspect-ratio-004.html(1/1)100.00%PASS
grid-aspect-ratio-005.html(0/1)0.00%FAIL
grid-aspect-ratio-006.html(0/1)0.00%FAIL
grid-aspect-ratio-007.html(1/1)100.00%PASS
grid-aspect-ratio-008.html(1/1)100.00%PASS
grid-aspect-ratio-009.html(1/1)100.00%PASS
grid-aspect-ratio-010.html(1/1)100.00%PASS
grid-aspect-ratio-011.html(1/1)100.00%PASS
grid-aspect-ratio-012.html(1/1)100.00%PASS
grid-aspect-ratio-014.html(1/1)100.00%PASS
grid-aspect-ratio-015.html(1/1)100.00%PASS
grid-aspect-ratio-016.html(1/1)100.00%PASS
grid-aspect-ratio-017.html(1/1)100.00%PASS
grid-aspect-ratio-018.html(0/1)0.00%FAIL
grid-aspect-ratio-019.html(1/1)100.00%PASS
grid-aspect-ratio-020.html(1/1)100.00%PASS
grid-aspect-ratio-021.html(1/1)100.00%PASS
grid-aspect-ratio-022.html(0/1)0.00%FAIL
grid-aspect-ratio-023.html(1/1)100.00%PASS
grid-aspect-ratio-024.html(0/1)0.00%FAIL
grid-aspect-ratio-025.html(1/1)100.00%PASS
grid-aspect-ratio-026.html(1/1)100.00%PASS
grid-aspect-ratio-027.html(0/1)0.00%FAIL
grid-aspect-ratio-028.html(0/1)0.00%FAIL
grid-aspect-ratio-029.html(0/1)0.00%FAIL
grid-aspect-ratio-030.html(1/1)100.00%PASS
grid-aspect-ratio-031.html(1/1)100.00%PASS
grid-aspect-ratio-032.html(0/1)0.00%FAIL
grid-aspect-ratio-033.html(0/1)0.00%FAIL
grid-aspect-ratio-034.html(0/1)0.00%FAIL
grid-aspect-ratio-035.html(0/1)0.00%FAIL
grid-aspect-ratio-036.html(0/1)0.00%FAIL
grid-aspect-ratio-037.html(0/1)0.00%FAIL
grid-aspect-ratio-038.html(1/1)100.00%PASS
grid-aspect-ratio-039.html(0/1)0.00%FAIL
grid-aspect-ratio-040.html(1/1)100.00%PASS
grid-aspect-ratio-041.html(1/1)100.00%PASS
grid-aspect-ratio-042.html(0/1)0.00%FAIL
grid-aspect-ratio-align-items-center.html(0/1)0.00%FAIL
inheritance.html(2/2)100.00%PASS
intrinsic-size-001.html(1/1)100.00%PASS
intrinsic-size-002.html(1/1)100.00%PASS
intrinsic-size-003.html(1/1)100.00%PASS
intrinsic-size-004.html(1/1)100.00%PASS
intrinsic-size-005.html(1/1)100.00%PASS
intrinsic-size-006.html(1/1)100.00%PASS
intrinsic-size-007.html(1/1)100.00%PASS
intrinsic-size-008.html(1/1)100.00%PASS
intrinsic-size-009.html(1/1)100.00%PASS
intrinsic-size-010.html(0/1)0.00%FAIL
intrinsic-size-011.html(1/1)100.00%PASS
intrinsic-size-012.html(0/1)0.00%FAIL
intrinsic-size-013.html(0/1)0.00%FAIL
intrinsic-size-014.html(1/1)100.00%PASS
intrinsic-size-015.html(1/1)100.00%PASS
intrinsic-size-016.html(1/1)100.00%PASS
intrinsic-size-017.html(1/1)100.00%PASS
intrinsic-size-018.html(1/1)100.00%PASS
intrinsic-size-019.html(1/1)100.00%PASS
intrinsic-size-020.html(1/1)100.00%PASS
intrinsic-size-021.html(1/1)100.00%PASS
intrinsic-size-022.html(1/1)100.00%PASS
intrinsic-size-023.html(1/1)100.00%PASS
intrinsic-size-024.html(1/1)100.00%PASS
intrinsic-size-025.html(1/1)100.00%PASS
large-aspect-ratio-crash.html(1/1)100.00%PASS
percentage-resolution-001.html(1/1)100.00%PASS
percentage-resolution-002.html(1/1)100.00%PASS
percentage-resolution-003.html(1/1)100.00%PASS
percentage-resolution-004.html(1/1)100.00%PASS
percentage-resolution-005.html(1/1)100.00%PASS
quirks-mode-001.html(1/1)100.00%PASS
quirks-mode-002.html(1/1)100.00%PASS
quirks-mode-003.html(0/1)0.00%FAIL
replaced-element-001.html(1/1)100.00%PASS
replaced-element-002.html(1/1)100.00%PASS
replaced-element-003.html(1/1)100.00%PASS
replaced-element-004.html(0/1)0.00%FAIL
replaced-element-005.html(0/1)0.00%FAIL
replaced-element-006.html(0/1)0.00%FAIL
replaced-element-007.html(1/1)100.00%PASS
replaced-element-008.html(1/1)100.00%PASS
replaced-element-009.html(1/1)100.00%PASS
replaced-element-010.html(0/1)0.00%FAIL
replaced-element-011.html(1/1)100.00%PASS
replaced-element-012.html(0/1)0.00%FAIL
replaced-element-013.html(1/1)100.00%PASS
replaced-element-014.html(1/1)100.00%PASS
replaced-element-015.html(0/1)0.00%FAIL
replaced-element-016.html(1/1)100.00%PASS
replaced-element-017.html(0/1)0.00%FAIL
replaced-element-018.html(0/1)0.00%FAIL
replaced-element-019.html(0/1)0.00%FAIL
replaced-element-020.html(0/1)0.00%FAIL
replaced-element-021.html(0/1)0.00%FAIL
replaced-element-022.html(0/1)0.00%FAIL
replaced-element-023.html(0/1)0.00%FAIL
replaced-element-024.html(1/1)100.00%PASS
replaced-element-025.html(1/1)100.00%PASS
replaced-element-026.html(0/1)0.00%FAIL
replaced-element-027.html(0/1)0.00%FAIL
replaced-element-028.html(0/1)0.00%FAIL
replaced-element-029.html(0/1)0.00%FAIL
replaced-element-030.html(0/1)0.00%FAIL
replaced-element-031.html(0/1)0.00%FAIL
replaced-element-032.html(0/1)0.00%FAIL
replaced-element-033.html(0/1)0.00%FAIL
replaced-element-034.html(1/1)100.00%PASS
replaced-element-035.html(1/1)100.00%PASS
replaced-element-036.html(0/2)0.00%FAIL
replaced-element-037.html(1/1)100.00%PASS
replaced-element-039.html(1/1)100.00%PASS
replaced-element-040.html(1/1)100.00%PASS
replaced-element-041.html(1/1)100.00%PASS
replaced-element-042.html(0/4)0.00%FAIL
replaced-element-043.html(114/180)63.33%FAIL
replaced-element-044.html(0/4)0.00%FAIL
replaced-element-045.html(0/1)0.00%FAIL
replaced-element-046.html(0/1)0.00%FAIL
replaced-element-047.tentative.html(0/1)0.00%FAIL
replaced-element-048.tentative.html(0/1)0.00%FAIL
replaced-element-049.html(1/1)100.00%PASS
replaced-element-dynamic-aspect-ratio.html(1/1)100.00%PASS
select-element-001.html(1/1)100.00%PASS
sign-function-aspect-ratio.html(1/1)100.00%PASS
small-aspect-ratio-crash.html(1/1)100.00%PASS
table-element-001.html(0/1)0.00%FAIL
zero-or-infinity-001.html(0/1)0.00%FAIL
zero-or-infinity-002.html(0/1)0.00%FAIL
zero-or-infinity-003.html(1/1)100.00%PASS
zero-or-infinity-004.html(0/1)0.00%FAIL
zero-or-infinity-005.html(1/1)100.00%PASS
zero-or-infinity-006.html(0/1)0.00%MISSING
zero-or-infinity-007.html(1/1)100.00%PASS
zero-or-infinity-008.html(1/1)100.00%PASS
zero-or-infinity-009.html(0/1)0.00%MISSING
zero-or-infinity-010.html(0/1)0.00%MISSING