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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-box / margin-trim

Spec: CSS Box Model ↗

Runs: Chrome 155.0.8042.0 (wpt@4eb09bcd9, 2026-09-04) | Firefox 157.0a1 (wpt@c3fcbf4ba, 2026-09-04) | Safari 251 preview (wpt@e7122b73f, 2026-09-04) | Ladybird 1.0-52f0f (wpt@a1ecd0c09, 2026-09-04) | Servo Servo 0.6 (wpt@2c385f65e, 2026-09-04) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total40.6%97/23913.8%33/23933.9%81/23914.6%35/23914.2%34/23916.3%39/239
computed-margin-values19.0%26/13719.0%26/13719.0%26/13719.0%26/13719.0%26/13721.9%30/137
TestChromeFirefoxSafariLadybirdServoBlitz
block-container-block-001.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-002.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-001.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-002.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-collapsed-margins.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-last-child-with-border.html2/21/22/21/21/21/2
block-container-block-end-nested-last-child-with-border.html3/31/33/31/31/31/3
block-container-block-end-self-collapsing-and-border.htmlPASSFAILFAILFAILFAILFAIL
block-container-block-end-self-collapsing-block-start-margin-nested.htmlPASSFAILFAILFAILFAILFAIL
block-container-block-end-self-collapsing-block-start-margin.htmlPASSFAILFAILFAILFAILFAIL
block-container-block-end-self-collapsing-children-nested-at-bottom.html7/70/77/70/70/70/7
block-container-block-end-self-collapsing-children-nested-margin-trim.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-self-collapsing-children-offsets-nested-multiple-times.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-self-collapsing-children-offsets-nested-once.html3/31/33/31/31/31/3
block-container-block-end-self-collapsing-children-offsets-vert-lr.html3/31/33/33/31/31/3
block-container-block-end-self-collapsing-children-offsets.html3/31/33/31/31/31/3
block-container-block-end-self-collapsing-item-has-larger-block-end.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-self-collapsing-item-has-larger-block-start.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-end-start-margin.htmlPASSPASSPASSPASSPASSPASS
block-container-block-in-inline-001.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-002.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-003.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-004.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-005.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-006.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-in-inline-007.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-001.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-002.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-003.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-004.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-collapsed-margins.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-self-collapsing-item-has-larger-block-end.htmlPASSFAILPASSFAILFAILFAIL
block-container-block-start-self-collapsing-item-larger-block-start.htmlPASSFAILPASSFAILFAILFAIL
block-container-inline-001.htmlNOT RUNNOT RUNNOT RUNNOT RUNNOT RUNPASS
block-container-non-adjoining-item.htmlPASSFAILPASSFAILFAILFAIL
block-container-replaced-block-end.htmlPASSFAILPASSFAILFAILFAIL
block-container-replaced-block-start.htmlPASSFAILPASSFAILFAILFAIL
block-container-replaced-block.htmlPASSFAILPASSFAILFAILFAIL
block-container-style-change-triggers-layout-block-end.htmlPASSFAILPASSFAILFAILNOT RUN
block-container-style-change-triggers-layout-block-start.htmlPASSFAILPASSFAILFAILNOT RUN
block-container-style-change-triggers-layout-block.htmlPASSFAILPASSFAILFAILNOT RUN
flex-block-end-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-block-start-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-block-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-column-block-multiline.htmlFAILFAILFAILFAILFAILFAIL
flex-column-grow.htmlFAILFAILFAILFAILFAILFAIL
flex-column-inline-multiline.htmlFAILFAILFAILFAILFAILFAIL
flex-column-orthogonal-item.htmlFAILFAILFAILFAILFAILFAIL
flex-column-shrink.htmlFAILFAILFAILFAILFAILFAIL
flex-column-style-change-triggers-layout-block-end.htmlFAILFAILFAILFAILFAILFAIL
flex-column-style-change-triggers-layout-block-start.htmlFAILFAILFAILFAILFAILFAIL
flex-column-style-change-triggers-layout-block.htmlFAILFAILFAILFAILFAILFAIL
flex-inline-end-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-inline-start-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-inline-trimmed-only.htmlFAILFAILFAILFAILFAILFAIL
flex-row-block-multiline.htmlFAILFAILFAILFAILFAILFAIL
flex-row-grow.htmlFAILFAILFAILFAILFAILFAIL
flex-row-inline-multiline.htmlFAILFAILFAILFAILFAILFAIL
flex-row-orthogonal-item.htmlFAILFAILFAILFAILPASSPASS
flex-row-shrink.htmlFAILFAILFAILFAILFAILFAIL
flex-row-style-change-triggers-layout-inline-end.htmlFAILFAILFAILFAILFAILFAIL
flex-row-style-change-triggers-layout-inline-start.htmlFAILFAILFAILFAILFAILFAIL
flex-row-style-change-triggers-layout-inline.htmlFAILFAILFAILFAILFAILFAIL
flex-trim-all-margins.htmlFAILFAILFAILFAILFAILFAIL
grid-block-end.htmlFAILFAILFAILFAILFAILFAIL
grid-block-start.htmlFAILFAILFAILFAILFAILFAIL
grid-block.htmlFAILFAILFAILFAILFAILFAIL
grid-inline-end.htmlFAILFAILFAILFAILFAILFAIL
grid-inline-start.htmlFAILFAILFAILFAILFAILFAIL
grid-inline.htmlFAILFAILFAILFAILFAILFAIL
grid-trim-ignores-collapsed-tracks.htmlFAILFAILFAILFAILFAILFAIL
margin-trim-computed-value.html9/91/91/91/91/9NOT RUN
multicol-spanner-001.htmlPASSFAILFAILFAILFAILFAIL
multicol-spanner-002.htmlPASSFAILPASSFAILFAILFAIL
multicol-spanner-003.htmlPASSFAILFAILFAILFAILPASS
multicol-spanner-004.htmlPASSFAILFAILFAILFAILFAIL
multicol-spanner-005.htmlPASSFAILFAILFAILFAILFAIL
multicol-spanner-006.htmlPASSFAILPASSFAILFAILFAIL
multicol-spanner-007.htmlPASSFAILFAILFAILFAILFAIL