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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 / compat

Spec: Compatibility ↗

Runs: Chrome 155.0.8039.0 (wpt@3f6b09ae3, 2026-09-03) | Firefox 157.0a1 (wpt@3f6b09ae3, 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
Total93.3%152/16390.8%148/16394.5%154/16385.3%139/16351.5%84/1630.0%0/163
TestChromeFirefoxSafariLadybirdServoBlitz
css-style-declaration-alias-enumeration.html50/5150/5150/5149/5142/51NOT RUN
historical.html3/33/33/33/33/3NOT RUN
idlharness.window.html23/2923/2923/2923/2923/29NOT RUN
webkit-background-origin-text.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-box-align-001.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-box-blockify.htmlFAILFAILFAILPASSFAILNOT RUN
webkit-box-clamp-bottom-border.htmlPASSPASSPASSFAILFAILNOT RUN
webkit-box-clamp-visibility-change.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-box-fieldset.htmlPASSPASSPASSFAILPASSNOT RUN
webkit-box-horizontal-reverse-variants.htmlPASSPASSPASSFAILFAILNOT RUN
webkit-box-horizontal-rtl-variants.htmlPASSPASSPASSFAILFAILNOT RUN
webkit-box-ignores-flex-wrap.tentative.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-box-item-shrink-001.html20/2020/2020/2020/202/20NOT RUN
webkit-box-item-shrink-002.html18/1818/1818/1818/180/18NOT RUN
webkit-box-removing-triggering-anonymous-merge.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-box-rtl-flex.htmlFAILPASSFAILFAILFAILNOT RUN
webkit-box-vertically-centered.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-box-z-index.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-gradient-comma.html1/22/22/21/22/2NOT RUN
webkit-gradient-sign.html2/21/22/20/21/2NOT RUN
webkit-linear-gradient-diff-unprefixed.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-linear-gradient-line-bottom.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-linear-gradient-line-left.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-linear-gradient-line-right.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-linear-gradient-line-top.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-mask-box-enumeration.html6/60/66/60/60/6NOT RUN
webkit-radial-gradient-radii.html3/33/33/31/33/3NOT RUN
webkit-scrollbar-parse.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-currentColor.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-text-fill-color-property-001a.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-001b.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-001c.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-001d.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-002.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-003.htmlPASSPASSPASSPASSPASSNOT RUN
webkit-text-fill-color-property-004.htmlPASSPASSPASSPASSFAILNOT RUN
webkit-text-fill-color-property-005.htmlFAILPASSPASSPASSPASSNOT RUN
webkit-text-fill-color-property-006.htmlPASSPASSPASSPASSFAILNOT RUN