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WPT

This page compares scores on the Web Platform Tests across web engines, using the latest master runs from wpt.fyi and Blitz's own test runner.

wpt / css / css-conditional / container-queries

Spec: CSS Conditional ↗

Runs: Chrome 155.0.8039.0 (wpt@a4fcd77aa, 2026-09-03) | Firefox 157.0a1 (wpt@cc4d45aa0, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total97.9%1498/153080.6%1233/153080.7%1235/153077.6%1187/153025.4%389/15305.5%84/1530
crashtests100.0%60/60100.0%60/60100.0%60/60100.0%60/6098.3%59/60100.0%60/60
scroll-state96.6%229/2370.0%0/2370.0%0/23723.6%56/2370.0%0/2370.0%0/237
TestChromeFirefoxSafariLadybirdServoBlitz
animation-container-size.htmlPASSPASSPASSPASSFAILFAIL
animation-container-type-dynamic.htmlPASSPASSPASSPASSFAILFAIL
animation-nested-animation.htmlPASSPASSPASSPASSFAILFAIL
animation-nested-transition.htmlPASSPASSPASSPASSFAILFAIL
aspect-ratio-feature-evaluation.html2/22/22/22/20/20/2
at-container-parsing.html117/117117/117117/117117/11732/1170/117
at-container-serialization.html19/1919/1919/1919/190/190/19
at-container-style-parsing.html41/4141/4141/4141/410/410/41
at-container-style-serialization.html17/1717/1717/1717/170/170/17
auto-scrollbars.html2/22/22/22/22/20/2
backdrop-invalidation.htmlPASSPASSPASSPASSFAILFAIL
calc-evaluation.htmlPASSPASSPASSPASSFAILFAIL
canvas-as-container-001.htmlPASSPASSPASSPASSFAILFAIL
canvas-as-container-002.htmlPASSPASSPASSPASSFAILFAIL
canvas-as-container-003.htmlPASSPASSPASSPASSFAILFAIL
canvas-as-container-004.htmlPASSPASSPASSPASSFAILFAIL
canvas-as-container-005.html2/22/22/21/21/20/2
canvas-as-container-006.html2/22/22/21/21/20/2
change-display-in-container.htmlPASSPASSPASSPASSFAILFAIL
chrome-legacy-skip-recalc.htmlPASSPASSPASSPASSPASSFAIL
column-spanner-in-container.html3/33/33/32/32/30/3
comma-separated-invalidation.html3/33/33/33/31/30/3
comma-separated-skip-invalid.html2/22/21/22/21/20/2
conditional-container-status.htmlPASSPASSPASSPASSFAILFAIL
container-computed.html14/1414/1414/1414/140/140/14
container-for-cue.htmlPASSPASSPASSPASSPASSPASS
container-for-shadow-dom.html21/2121/2121/2120/210/210/21
container-ident-function.html0/40/44/40/40/40/4
container-inheritance.html4/44/44/44/44/40/4
container-inner-at-rules.html6/66/66/65/60/60/6
container-inside-multicol-with-table.html2/22/22/22/20/20/2
container-longhand-animation-type.html3/33/33/33/33/30/3
container-name-computed.html10/1010/1010/1010/1010/100/10
container-name-invalidation.html2/22/22/22/20/20/2
container-name-parsing.html29/2929/2929/2929/2929/290/29
container-name-tree-scoped.html4/44/43/44/40/40/4
container-nested.html14/1414/1414/1413/145/140/14
container-parsing.html48/4848/4848/4848/4827/480/48
container-rule-cssom.html8/88/83/88/80/80/8
container-selection-unknown-features.html3/30/33/33/30/30/3
container-selection.html21/2121/2121/2121/215/210/21
container-size-invalidation-after-load.htmlPASSPASSPASSPASSFAILFAIL
container-size-invalidation.html2/22/22/22/20/20/2
container-size-nested-invalidation.htmlPASSPASSPASSPASSFAILFAIL
container-size-rem-change.html2/22/22/22/21/21/2
container-size-shadow-invalidation.html2/22/22/22/20/20/2
container-type-computed.html5/55/55/55/55/50/5
container-type-containment.html4/44/44/42/41/40/4
container-type-invalidation.htmlPASSPASSPASSPASSFAILFAIL
container-type-layout-invalidation.htmlPASSPASSPASSPASSFAILFAIL
container-type-parsing.html30/3030/3030/3030/3030/300/30
container-units-animation.html24/2424/2424/2424/240/240/24
container-units-auto.htmlPASSPASSPASSPASSFAILFAIL
container-units-basic.html2/22/22/22/20/20/2
container-units-computational-independence.html6/60/66/66/66/60/6
container-units-content-box.html2/22/22/22/20/20/2
container-units-gradient-invalidation.htmlPASSPASSPASSPASSFAILFAIL
container-units-gradient.htmlPASSPASSPASSPASSFAILFAIL
container-units-in-at-container-dynamic.htmlPASSPASSPASSPASSFAILFAIL
container-units-in-at-container-fallback.htmlPASSPASSFAILPASSFAILFAIL
container-units-in-at-container.html18/1818/1818/1818/180/180/18
container-units-ineligible-container.html9/99/99/94/90/90/9
container-units-invalidation.html5/55/55/55/50/50/5
container-units-media-queries.html8/88/88/88/82/80/8
container-units-rule-cache.htmlPASSPASSPASSPASSFAILFAIL
container-units-selection-pseudo.htmlPASSPASSPASSPASSPASSPASS
container-units-selection.html2/22/22/22/20/20/2
container-units-shadow.html2/22/22/22/20/20/2
container-units-sharing-via-rule-node.htmlPASSPASSPASSPASSFAILFAIL
container-units-small-viewport-fallback.htmlPASSPASSPASSPASSFAILFAIL
container-units-svglength.html7/70/75/76/70/70/7
container-units-typed-om.html24/2424/2424/2424/240/240/24
counters-flex-circular.html4/44/44/44/43/40/4
counters-in-container-dynamic.htmlPASSPASSPASSPASSFAILFAIL
counters-in-container.htmlPASSPASSPASSPASSFAILFAIL
custom-layout-container-001.https.htmlPASSFAILFAILFAILFAILFAIL
custom-property-style-queries.html78/7878/7878/7871/780/780/78
custom-property-style-query-change.html6/66/66/66/60/60/6
custom-property-style-query-multiline-var.html5/52/55/55/50/50/5
deep-nested-inline-size-containers.htmlPASSPASSPASSPASSERRORFAIL
dialog-backdrop-create.htmlPASSPASSPASSFAILFAILFAIL
dialog-backdrop-remove.htmlPASSPASSPASSPASSPASSPASS
display-contents-dynamic-style-queries.html2/22/22/22/20/20/2
display-contents-style-query-descendant-restyle.html2/22/22/22/20/20/2
display-contents.html3/33/33/31/31/30/3
display-in-container.htmlPASSPASSPASSPASSFAILFAIL
display-none.html19/1917/1919/1917/195/190/19
fieldset-legend-change.htmlPASSPASSPASSPASSFAILFAIL
first-letter-outside-size-container.htmlFAILFAILPASSFAILFAILFAIL
flex-basis-with-container-type.htmlPASSPASSPASSPASSFAILFAIL
font-relative-calc-dynamic.htmlPASSPASSPASSFAILFAILFAIL
font-relative-units-dynamic.html12/1212/1212/126/120/120/12
font-relative-units.html12/1212/1212/1211/120/120/12
fragmented-container-001.htmlPASSPASSPASSFAILFAILFAIL
get-animations.htmlPASSPASSPASSFAILFAILFAIL
grid-container.htmlPASSPASSPASSPASSFAILFAIL
grid-item-container.htmlPASSPASSPASSPASSFAILFAIL
idlharness.html21/2821/2818/2821/282/280/28
iframe-in-container-invalidation.htmlPASSPASSPASSPASSFAILFAIL
iframe-invalidation.htmlPASSPASSPASSPASSFAILFAIL
ineligible-containment.html2/22/22/20/21/20/2
inheritance-from-container.html4/44/44/44/44/40/4
inline-size-and-min-width.htmlPASSPASSPASSPASSFAILFAIL
inline-size-bfc-floats.htmlPASSFAILFAILFAILFAILFAIL
inline-size-containment-vertical-rl.htmlPASSPASSPASSFAILFAILFAIL
inline-size-containment.htmlPASSPASSPASSPASSFAILFAIL
inner-first-line-non-matching.htmlPASSFAILPASSFAILFAILFAIL
layout-dependent-focus.htmlPASSPASSPASSFAILFAILFAIL
multicol-container-001.htmlPASSPASSPASSPASSFAILFAIL
multicol-inside-container.htmlPASSPASSPASSFAILFAILFAIL
multiple-conditions-001.htmlPASSPASSPASSPASSFAILFAIL
multiple-size-containers-comma-separated-queries.htmlPASSPASSPASSPASSFAILFAIL
multiple-style-containers-comma-separated-queries.html2/22/22/22/20/20/2
nested-query-containers.html32/3231/3216/321/320/320/32
nested-size-style-container-invalidation.html2/22/22/22/20/20/2
nested-style-size-container.htmlPASSPASSPASSPASSFAILFAIL
never-match-container.html2/22/22/20/22/20/2
no-layout-containment-abspos-dynamic.htmlPASSPASSPASSPASSFAILFAIL
no-layout-containment-abspos.htmlPASSPASSPASSPASSPASSFAIL
no-layout-containment-baseline.htmlPASSPASSPASSPASSPASSPASS
no-layout-containment-fixedpos-dynamic.htmlPASSPASSPASSPASSFAILFAIL
no-layout-containment-fixedpos.htmlPASSPASSPASSPASSFAILFAIL
no-layout-containment-scroll.htmlPASSPASSPASSPASSPASSPASS
no-layout-containment-subgrid-crash.htmlPASSPASSPASSPASSPASSPASS
orthogonal-wm-container-query.html2/22/22/21/21/20/2
percentage-padding-orthogonal.html6/63/60/62/62/60/6
position-sticky-crash.htmlPASSPASSPASSPASSPASSPASS
pseudo-elements-001.html2/22/22/21/20/20/2
pseudo-elements-002.htmlPASSPASSPASSFAILFAILFAIL
pseudo-elements-002b.htmlPASSFAILPASSFAILFAILFAIL
pseudo-elements-003.html8/88/88/88/80/80/8
pseudo-elements-004.html12/1212/1212/1210/120/120/12
pseudo-elements-005.html3/33/33/33/30/30/3
pseudo-elements-006.html8/88/88/80/80/80/8
pseudo-elements-007.html12/1212/1212/126/120/120/12
pseudo-elements-008.html9/99/99/90/90/90/9
pseudo-elements-009.htmlPASSFAILPASSFAILFAILFAIL
pseudo-elements-010.htmlPASSFAILPASSTIMEOUTTIMEOUTFAIL
pseudo-elements-011.htmlPASSPASSPASSFAILFAILFAIL
pseudo-elements-012.htmlPASSPASSPASSTIMEOUTTIMEOUTFAIL
pseudo-elements-013.html3/33/33/30/30/30/3
query-container-name-dynamic.html3/31/33/33/31/31/3
query-container-name.html5/55/55/55/51/51/5
query-content-box.html6/62/66/62/60/60/6
query-evaluation-style.html91/9191/9191/9180/9136/910/91
query-evaluation.html38/3834/3838/3838/3825/380/38
query-style-color.htmlFAILPASSFAILFAILFAILFAIL
reattach-container-with-dirty-child.html2/22/22/21/20/20/2
registered-color-style-queries.html2/22/22/22/20/20/2
resize-while-content-visibility-hidden.htmlPASSPASSPASSPASSFAILFAIL
scrollbar-container-units-block.htmlPASSFAILPASSPASSFAILFAIL
scrollbar-container-units-inline.htmlPASSFAILPASSPASSPASSPASS
sibling-layout-dependency.html4/40/44/44/40/40/4
size-container-auto-height.htmlPASSPASSPASSPASSFAILFAIL
size-container-no-principal-box.html6/66/66/66/64/60/6
size-container-popover-change.htmlPASSPASSPASSPASSPASSPASS
size-container-with-quotes.htmlPASSPASSPASSPASSPASSPASS
size-container-writing-mode-change.html2/22/22/22/20/20/2
size-feature-evaluation.html56/5656/5656/5656/5628/560/56
size-query-with-var.html6/1111/116/116/115/110/11
style-change-in-container.htmlPASSPASSPASSPASSFAILFAIL
style-container-for-shadow-dom.html12/1212/1212/1211/120/120/12
style-container-invalidation-inheritance.html2/22/22/22/20/20/2
style-negation-with-container-name.htmlPASSPASSPASSPASSFAILFAIL
style-not-sharing-float.htmlPASSPASSPASSPASSFAILFAIL
style-query-attr-change-svg.html1/33/31/31/31/31/3
style-query-change-with-ancestor-zoom.html3/33/33/33/30/30/3
style-query-container-name-change.htmlPASSPASSPASSPASSERRORFAIL
style-query-custom-attr-change-named-container.html1/22/21/21/21/21/2
style-query-custom-attr-change.html1/22/21/21/21/21/2
style-query-document-element.htmlPASSPASSPASSPASSFAILFAIL
style-query-guaranteed-invalid.tentative.htmlPASSPASSPASSPASSERRORFAIL
style-query-no-cycle.htmlPASSPASSPASSFAILERRORFAIL
style-query-registered-custom-em-change.html2/22/22/22/21/21/2
style-query-registered-custom-invalid.tentative.htmlPASSPASSPASSPASSERRORFAIL
style-query-registered-custom-rem-change.html2/22/22/22/21/21/2
style-query-registered-custom-removed-initial.html2/22/22/22/20/20/2
style-query-registered-custom-root-relative-units-change.html3/44/44/43/40/40/4
style-query-unset-on-root.htmlPASSPASSPASSPASSERRORFAIL
style-query-with-container-name-custom-change.html3/33/33/33/32/32/3
style-query-with-unknown-width.htmlPASSPASSPASSPASSERRORFAIL
style-range-dynamic.html7/77/77/76/71/71/7
svg-foreignobject-child-container.htmlPASSPASSPASSPASSFAILFAIL
svg-foreignobject-no-size-container.htmlPASSPASSPASSFAILPASSPASS
svg-g-no-size-container.htmlPASSPASSPASSPASSPASSPASS
svg-root-size-container.html2/22/22/22/20/20/2
table-inside-container-changing-display.htmlPASSPASSPASSPASSPASSFAIL
top-layer-dialog-backdrop.htmlPASSPASSPASSPASSFAILPASS
top-layer-dialog-container.html2/22/22/22/21/20/2
top-layer-dialog.html4/44/44/44/41/40/4
top-layer-nested-dialog.html3/33/33/33/32/30/3
transition-scrollbars.htmlPASSFAILFAILPASSFAILFAIL
transition-style-change-event-002.htmlPASSPASSPASSPASSPASSFAIL
transition-style-change-event.htmlPASSPASSPASSPASSFAILFAIL
unsupported-axis.html16/1616/1616/1616/1612/160/16
var-evaluation.htmlFAILPASSFAILFAILFAILFAIL
viewport-units-dynamic.htmlPASSPASSFAILPASSFAILFAIL
viewport-units.html2/22/21/22/20/20/2
whitespace-update-after-removal.htmlPASSPASSPASSFAILPASSFAIL