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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 / intersection-observer / v2

Spec: Intersection Observer ↗

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
Total78.6%55/7021.4%15/7021.4%15/7030.0%21/7045.7%32/700.0%0/70
TestChromeFirefoxSafariLadybirdServoBlitz
3d-transform-flattened-preserve-3d-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
3d-transform-occlusion-2.htmlPASSFAILFAILFAILPASSNOT RUN
3d-transform-occlusion.htmlPASSERRORERRORERRORERRORNOT RUN
3d-transform-overflow-control-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
3d-transform-z-order-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
animated-occlusion.html2/22/22/22/22/2NOT RUN
animated-opacity.htmlPASSERRORERRORPASSPASSNOT RUN
blur-filter.html1/31/31/32/32/3NOT RUN
border-radius-shadow-occlusion-replaced.htmlPASSFAILFAILFAILPASSNOT RUN
border-radius-shadow-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
border-shape-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
border-shape-overflow-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
box-reflect.html2/21/21/21/21/2NOT RUN
box-shadow.html4/41/41/41/42/4NOT RUN
cross-origin-effects.sub.htmlPASSFAILFAILFAILFAILNOT RUN
cross-origin-occlusion.sub.htmlPASSFAILFAILFAILFAILNOT RUN
delay-test.htmlPASSFAILFAILFAILFAILNOT RUN
drop-shadow-filter-vertical-rl.html1/31/31/32/32/3NOT RUN
iframe-target.html1/21/21/22/22/2NOT RUN
inline-occlusion.html4/41/41/41/41/4NOT RUN
nested-cross-origin.sub.htmlPASSFAILFAILFAILFAILNOT RUN
position-absolute-overflow-visible-and-not-visible.htmlPASSPASSPASSFAILFAILNOT RUN
position-relative.html2/21/21/21/21/2NOT RUN
scaled-target.htmlPASSFAILFAILFAILFAILNOT RUN
simple-effects.html1/51/51/52/52/5NOT RUN
simple-occlusion-svg-foreign-object.html1/41/41/42/42/4NOT RUN
simple-occlusion.html1/41/41/42/42/4NOT RUN
svg-drop-shadow-occlusion.htmlPASSFAILFAILFAILPASSNOT RUN
svg-foreign-object-filter-occlusion.htmlPASSFAILFAILFAILFAILNOT RUN
svg-group-filter-occlusion.htmlPASSFAILFAILFAILFAILNOT RUN
svg-image-filter-occlusion.htmlPASSFAILFAILFAILFAILNOT RUN
svg-reference-filter-occlusion.htmlPASSFAILFAILFAILFAILNOT RUN
svg-root-filter-occlusion.html2/20/20/20/20/2NOT RUN
svg-shape-filter-occlusion.htmlPASSFAILFAILFAILFAILNOT RUN
svg-text-filter-occlusion.html2/20/20/20/20/2NOT RUN
text-editor-occlusion.html4/41/41/41/41/4NOT RUN
text-shadow.html4/41/41/41/42/4NOT RUN
z-index-changes.htmlPASSFAILFAILFAILFAILNOT RUN