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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-ruby

Spec: CSS Ruby Annotation Layout ↗

Runs: Chrome 155.0.8039.0 (wpt@6ec9fd59f, 2026-09-03) | Firefox 157.0a1 (wpt@6ec9fd59f, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-795e1 (wpt@7e3d005d7, 2026-09-03) | Servo Servo 0.6 (wpt@09159dcb3, 2026-09-02) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total75.7%184/24375.3%183/24352.7%128/24348.6%118/24344.0%107/24340.3%98/243
break-within-bases100.0%4/425.0%1/425.0%1/450.0%2/425.0%1/425.0%1/4
crashtests100.0%7/7100.0%7/7100.0%7/7100.0%7/7100.0%7/7100.0%7/7
parsing89.7%35/3982.1%32/3992.3%36/3966.7%26/3966.7%26/3966.7%26/39
TestChromeFirefoxSafariLadybirdServoBlitz
abs-in-ruby-base-container.htmlPASSPASSPASSFAILPASSPASS
abs-in-ruby-base.htmlPASSPASSPASSFAILPASSPASS
abs-in-ruby-container.htmlPASSPASSPASSFAILPASSPASS
block-ruby-001.htmlFAILPASSFAILFAILFAILFAIL
block-ruby-002.htmlPASSPASSFAILFAILFAILFAIL
block-ruby-003.htmlPASSPASSPASSPASSPASSPASS
block-ruby-004.htmlPASSPASSPASSPASSPASSPASS
block-ruby-005.htmlPASSPASSFAILFAILFAILFAIL
br-clear-all-000.htmlPASSPASSPASSPASSPASSPASS
br-clear-all-001.htmlPASSPASSFAILPASSFAILFAIL
br-clear-all-002.htmlPASSFAILFAILFAILFAILFAIL
collapse-trailing-whitespace.htmlPASSFAILFAILFAILFAILFAIL
empty-ruby-base-container.htmlFAILPASSPASSPASSFAILPASS
empty-ruby-text-container-abs.htmlPASSPASSPASSPASSPASSPASS
empty-ruby-text-container-float.htmlFAILPASSPASSPASSPASSPASS
empty-ruby-text-container.htmlPASSPASSPASSPASSPASSPASS
improperly-contained-annotation-001.htmlFAILPASSFAILPASSPASSPASS
inheritance.html5/84/85/80/80/80/8
interlinear-block-margin-box.htmlPASSPASSPASSFAILFAILFAIL
intra-base-white-space-001.htmlFAILPASSFAILPASSFAILFAIL
line-break-around-ruby-001.html6/66/66/62/65/60/6
line-spacing.html11/119/119/112/114/110/11
nested-ruby-pairing-001.htmlFAILPASSFAILPASSFAILFAIL
position-relative.html3/33/32/30/33/30/3
pseudo-first-letter.htmlPASSPASSFAILPASSPASSFAIL
pseudo-first-line.htmlPASSFAILFAILFAILFAILFAIL
rb-display-001.htmlFAILPASSFAILPASSFAILFAIL
rbc-rtc-basic-001.htmlFAILPASSFAILPASSFAILFAIL
root-block-ruby.xhtmlPASSPASSFAILFAILFAILFAIL
root-ruby.xhtmlPASSPASSFAILFAILFAILFAIL
rt-display-001.htmlFAILPASSFAILPASSFAILFAIL
rt-display-blockified.html2/22/20/22/22/22/2
rt-text-indent-001.htmlPASSPASSPASSPASSFAILFAIL
ruby-align-001.htmlPASSPASSPASSFAILFAILFAIL
ruby-align-001a.htmlFAILPASSFAILFAILFAILFAIL
ruby-align-002.htmlPASSPASSFAILFAILFAILFAIL
ruby-align-002a.htmlPASSPASSFAILFAILFAILFAIL
ruby-align-space-around.htmlFAILPASSFAILFAILFAILFAIL
ruby-annotation-pairing-001.htmlFAILPASSFAILFAILFAILFAIL
ruby-annotation-with-margin.htmlPASSFAILFAILPASSFAILFAIL
ruby-autohide-001.htmlFAILPASSFAILPASSFAILFAIL
ruby-autohide-002.htmlFAILPASSFAILPASSFAILFAIL
ruby-autohide-003.htmlFAILPASSFAILPASSFAILFAIL
ruby-autohide-004.htmlFAILPASSFAILPASSFAILFAIL
ruby-base-container-abs.htmlFAILPASSPASSPASSFAILPASS
ruby-base-container-float.htmlFAILPASSPASSPASSFAILPASS
ruby-base-different-size.htmlPASSPASSFAILPASSFAILPASS
ruby-bidi-001.htmlPASSPASSPASSPASSPASSFAIL
ruby-bidi-002.htmlFAILPASSFAILPASSFAILFAIL
ruby-bidi-003.htmlFAILPASSPASSFAILFAILFAIL
ruby-bidi-004.htmlPASSPASSPASSPASSFAILPASS
ruby-body-element-crash.htmlPASSPASSPASSTIMEOUTPASSPASS
ruby-box-generation-001.htmlFAILPASSFAILFAILFAILFAIL
ruby-box-generation-002.htmlFAILPASSFAILFAILFAILFAIL
ruby-box-generation-003.htmlFAILPASSFAILFAILFAILFAIL
ruby-box-generation-004.htmlFAILPASSFAILFAILFAILFAIL
ruby-box-generation-005.htmlFAILPASSFAILFAILFAILFAIL
ruby-box-model-001.htmlFAILFAILFAILPASSFAILPASS
ruby-dynamic-insertion-001.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-insertion-002.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-insertion-003.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-insertion-004.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-insertion-005.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-removal-001.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-removal-002.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-removal-003.htmlPASSPASSPASSPASSPASSPASS
ruby-dynamic-removal-004-crash.htmlPASSPASSPASSPASSPASSPASS
ruby-float-handling-001.htmlFAILPASSFAILFAILPASSPASS
ruby-inlinize-blocks-001.htmlFAILPASSFAILFAILFAILFAIL
ruby-inlinize-blocks-002.htmlFAILPASSFAILFAILFAILFAIL
ruby-inlinize-blocks-003.htmlPASSPASSFAILFAILPASSFAIL
ruby-inlinize-blocks-004.htmlFAILPASSFAILFAILFAILFAIL
ruby-inlinize-blocks-005.htmlFAILPASSFAILFAILFAILPASS
ruby-inlinize-fieldset-crash.htmlPASSPASSPASSPASSPASSPASS
ruby-inlinize-recursive-simple.htmlPASSPASSFAILPASSFAILFAIL
ruby-intra-level-whitespace-001.htmlFAILPASSPASSPASSPASSFAIL
ruby-intra-level-whitespace-002.htmlPASSPASSPASSPASSPASSPASS
ruby-intra-level-whitespace-003.htmlFAILPASSPASSPASSPASSFAIL
ruby-intrinsic-isize-001.htmlFAILPASSFAILFAILFAILPASS
ruby-intrinsic-isize-002.htmlPASSPASSPASSFAILPASSPASS
ruby-intrinsic-isize-003.htmlFAILPASSFAILFAILFAILPASS
ruby-justification-001.htmlPASSPASSPASSPASSPASSPASS
ruby-justification-002.htmlFAILPASSFAILPASSFAILFAIL
ruby-lang-specific-style-001.htmlFAILPASSFAILPASSFAILFAIL
ruby-layout-internal-boxes.htmlPASSPASSPASSPASSPASSFAIL
ruby-line-break-suppression-001.htmlFAILPASSFAILFAILFAILFAIL
ruby-line-break-suppression-002.htmlFAILPASSFAILFAILFAILFAIL
ruby-line-break-suppression-003.htmlFAILPASSFAILFAILFAILFAIL
ruby-line-break-suppression-004.htmlPASSPASSPASSPASSPASSFAIL
ruby-line-break-suppression-005.htmlPASSPASSPASSPASSPASSPASS
ruby-line-breaking-001.htmlFAILPASSFAILFAILFAILPASS
ruby-line-breaking-002.htmlPASSPASSPASSFAILFAILFAIL
ruby-line-breaking-003.htmlFAILPASSFAILFAILPASSFAIL
ruby-no-transform.htmlPASSPASSFAILPASSPASSPASS
ruby-overhang-dynamic.htmlPASSFAILPASSFAILFAILFAIL
ruby-overhang-no-overlap.htmlPASSPASSPASSPASSPASSPASS
ruby-overhang-none.htmlPASSFAILPASSFAILFAILFAIL
ruby-overhang-spaces-001.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-002.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-003.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-004.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-005.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-006.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-007.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-008.htmlPASSFAILFAILPASSFAILFAIL
ruby-overhang-spaces-009.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-010.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-011.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-012.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-013.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-014.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-015.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-016.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-017.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-018.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-019.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-020.htmlPASSPASSFAILFAILFAILFAIL
ruby-overhang-spaces-021.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-022.htmlPASSPASSFAILPASSPASSPASS
ruby-overhang-spaces-align-001.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-align-002.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-align-003.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-align-004.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-align-005.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-crash.htmlPASSPASSPASSPASSPASSPASS
ruby-overhang-spaces-no-overlap.htmlPASSPASSPASSPASSFAILPASS
ruby-overhang-spaces-non-bmp-001.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-non-bmp-002.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-text-spacing-trim-001.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-text-spacing-trim-002.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-001.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-002.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-003.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-004.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-005.htmlPASSFAILFAILFAILFAILFAIL
ruby-overhang-spaces-vertical-006.htmlPASSPASSFAILFAILFAILFAIL
ruby-position-alternate.html0/77/70/70/70/70/7
ruby-position.html6/66/66/66/66/66/6
ruby-reflow-001-opaqueruby.htmlPASSPASSPASSPASSPASSPASS
ruby-reflow-001-transparentruby.htmlPASSPASSPASSFAILPASSPASS
ruby-span-001.htmlPASSPASSPASSPASSPASSPASS
ruby-tab-in-base-001.htmlPASSFAILPASSPASSPASSPASS
ruby-tab-in-base-002.htmlPASSFAILPASSPASSFAILFAIL
ruby-tab-in-base-003.htmlPASSFAILPASSPASSPASSPASS
ruby-tab-in-base-max-content-crash.htmlPASSPASSPASSPASSPASSPASS
ruby-text-collapse.htmlFAILPASSFAILPASSFAILFAIL
ruby-text-combine-upright-001a.htmlPASSPASSPASSPASSPASSPASS
ruby-text-combine-upright-001b.htmlPASSPASSPASSPASSPASSPASS
ruby-text-combine-upright-002a.htmlPASSPASSPASSPASSPASSPASS
ruby-text-combine-upright-002b.htmlPASSPASSPASSPASSPASSPASS
ruby-text-dynamic-style.htmlPASSPASSFAILPASSPASSFAIL
ruby-whitespace-001.htmlFAILPASSFAILFAILFAILFAIL
ruby-whitespace-002.htmlFAILPASSFAILPASSFAILPASS
ruby-with-floats-001.htmlPASSPASSPASSPASSPASSPASS
ruby-with-floats-002.htmlPASSPASSFAILPASSPASSPASS
ruby-with-floats-003.htmlPASSPASSFAILPASSPASSPASS
whitespace-ruby-beside-float.htmlPASSPASSPASSPASSPASSPASS