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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 / mediaqueries

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/mediaqueries

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

AreaInterop ScoreTestsTest %SubtestsSubtest %
Total51.15%(49/96)51.04%(51/1845)2.76%
TestSubtestsSubtest %Status
aspect-ratio-001.html(1/1)100.00%PASS
aspect-ratio-002.html(1/1)100.00%PASS
aspect-ratio-003.html(1/1)100.00%PASS
aspect-ratio-004.html(1/1)100.00%PASS
aspect-ratio-005.html(1/1)100.00%PASS
aspect-ratio-006.html(1/1)100.00%PASS
aspect-ratio-calc-negative.html(2/18)11.11%FAIL
aspect-ratio-serialization.html(0/1)0.00%FAIL
at-custom-media-basic.html(0/1)0.00%FAIL
at-custom-media-cssom.html(0/10)0.00%FAIL
at-custom-media-parsing.html(0/14)0.00%FAIL
device-aspect-ratio-002.html(0/1)0.00%FAIL
device-aspect-ratio-003.html(0/1)0.00%FAIL
device-aspect-ratio-004.html(1/1)100.00%PASS
device-aspect-ratio-006.html(1/1)100.00%PASS
display-mode.html(0/17)0.00%FAIL
display-mode.tentative.html(0/2)0.00%FAIL
display-state.tentative.html(0/16)0.00%FAIL
duplicate-media-stylesheet-crash.html(1/1)100.00%PASS
dynamic-range.html(0/23)0.00%FAIL
forced-colors.html(0/16)0.00%FAIL
inverted-colors.html(0/15)0.00%FAIL
match-media-parsing.html(0/34)0.00%FAIL
media-query-matches-in-iframe.html(0/22)0.00%SKIP
min-width-001.xht(1/1)100.00%PASS
min-width-tables-001.html(0/1)0.00%FAIL
mq-calc-001.html(1/1)100.00%PASS
mq-calc-002.html(1/1)100.00%PASS
mq-calc-003.html(1/1)100.00%PASS
mq-calc-004.html(1/1)100.00%PASS
mq-calc-005.html(1/1)100.00%PASS
mq-calc-006.html(1/1)100.00%PASS
mq-calc-007.html(1/1)100.00%PASS
mq-calc-008.html(1/1)100.00%PASS
mq-calc-resolution.html(1/1)100.00%PASS
mq-calc-sign-function-001.html(1/1)100.00%PASS
mq-calc-sign-function-002.html(1/1)100.00%PASS
mq-calc-sign-function-003.html(1/1)100.00%PASS
mq-calc-sign-function-004.html(1/1)100.00%PASS
mq-calc-sign-function-005.html(0/1)0.00%FAIL
mq-calc-sign-function-006.html(1/1)100.00%PASS
mq-case-insensitive-001.html(1/1)100.00%PASS
mq-deprecated-001.html(1/1)100.00%PASS
mq-dynamic-empty-children.html(0/1)0.00%SKIP
mq-escaped-serialization.html(1/1)100.00%PASS
mq-gamut-001.html(0/1)0.00%FAIL
mq-gamut-002.html(0/1)0.00%FAIL
mq-gamut-003.html(1/1)100.00%PASS
mq-gamut-004.html(0/1)0.00%FAIL
mq-gamut-005.html(1/1)100.00%PASS
mq-invalid-media-type-001.html(1/1)100.00%PASS
mq-invalid-media-type-002.html(1/1)100.00%PASS
mq-invalid-media-type-003.html(1/1)100.00%PASS
mq-invalid-media-type-004.html(1/1)100.00%PASS
mq-invalid-media-type-005.html(1/1)100.00%PASS
mq-invalid-media-type-006.html(1/1)100.00%PASS
mq-invalid-media-type-layer-001.html(1/1)100.00%PASS
mq-invalid-media-type-layer-002.html(1/1)100.00%PASS
mq-negative-range-001.html(0/1)0.00%FAIL
mq-negative-range-002.html(0/1)0.00%FAIL
mq-non-matching-lazy-load.tentative.html(0/1)0.00%FAIL
mq-range-001.html(1/1)100.00%PASS
mq-unknown-feature-custom-property.html(1/1)100.00%PASS
navigation-controls.tentative.html(0/8)0.00%FAIL
negation-001.html(0/1)0.00%FAIL
negation-002.html(0/1)0.00%FAIL
nested-media-queries.html(1/1)100.00%PASS
overflow-media-features.html(0/28)0.00%FAIL
preferences-colorScheme.tentative.https.html(0/13)0.00%FAIL
preferences-contrast.tentative.https.html(0/14)0.00%FAIL
preferences-reducedData.tentative.https.html(0/13)0.00%FAIL
preferences-reducedMotion.tentative.https.html(0/13)0.00%FAIL
preferences-reducedTransparency.tentative.https.html(0/13)0.00%FAIL
prefers-color-scheme-svg-as-image.html(0/1)0.00%FAIL
prefers-color-scheme-svg-image-normal-with-meta-dark.html(1/1)100.00%PASS
prefers-color-scheme-svg-image-normal-with-meta-light.html(1/1)100.00%PASS
prefers-color-scheme-svg-image-normal.html(1/1)100.00%PASS
prefers-color-scheme-svg-image.html(1/1)100.00%PASS
prefers-color-scheme.html(0/18)0.00%FAIL
prefers-contrast.html(0/26)0.00%FAIL
prefers-reduced-data.html(0/17)0.00%FAIL
prefers-reduced-motion.html(0/16)0.00%FAIL
prefers-reduced-transparency.html(0/17)0.00%FAIL
relative-units-001.html(1/1)100.00%PASS
relative-units-002.html(1/1)100.00%PASS
relative-units-003.html(1/1)100.00%PASS
relative-units-004.html(1/1)100.00%PASS
relative-units-005.html(0/3)0.00%FAIL
resizable.tentative.html(0/16)0.00%FAIL
scripting-print-noscript.html(1/1)100.00%PASS
scripting-print-script.html(0/1)0.00%FAIL
scripting.html(0/12)0.00%FAIL
style-media-attribute-change-in-iframe.html(0/1)0.00%TIMEOUT
test_media_queries.html(0/1349)0.00%FAIL
update-media-feature.html(0/14)0.00%FAIL
viewport-script-dynamic.html(0/1)0.00%FAIL