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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 / uievents / mouse

Spec: UI Events ↗

Runs: Chrome 155.0.8042.0 (wpt@55ce71bb9, 2026-09-04) | Firefox 157.0a1 (wpt@5c0dc39b9, 2026-09-04) | Safari 251 preview (wpt@0588f3896, 2026-09-04) | Ladybird 1.0-54a40 (wpt@972e0e100, 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
Total78.4%120/15395.4%146/15369.3%106/15364.7%99/15315.0%23/1530.0%0/153
crashtests100.0%1/1100.0%1/1100.0%1/1100.0%1/1100.0%1/10.0%0/1
TestChromeFirefoxSafariLadybirdServoBlitz
attributes.htmlPASSPASSPASSPASSPASSNOT RUN
cancel-mousedown-in-subframe.html2/22/22/20/20/2NOT RUN
layer-coords-transform.html2/22/22/20/20/2NOT RUN
layout_change_should_fire_mouseover.htmlPASSPASSPASSFAILFAILNOT RUN
mouse_boundary_events_after_reappending_last_over_target.tentative.html3/118/111/116/114/11NOT RUN
mouse_boundary_events_after_removing_last_over_element.html2/22/20/20/20/2NOT RUN
mouse_boundary_events_modifier_no_mouse_movement.html?Alt2/66/62/62/62/6NOT RUN
mouse_boundary_events_modifier_no_mouse_movement.html?Control2/66/62/62/62/6NOT RUN
mouse_boundary_events_modifier_no_mouse_movement.html?Meta2/66/62/62/62/6NOT RUN
mouse_boundary_events_modifier_no_mouse_movement.html?Shift2/66/62/62/62/6NOT RUN
mouse_boundary_events_on_image_map.html5/88/83/82/80/8NOT RUN
mouse_buttons_back_forward.htmlPASSPASSERRORPASSPASSNOT RUN
mouseenter-mouseleave-on-drag.html3/33/33/33/30/3NOT RUN
mouseevent_move_button.htmlPASSPASSPASSPASSPASSNOT RUN
mousemove-action-interpolation.htmlFAILPASSFAILFAILPASSNOT RUN
mousemove_after_mouseover_target_removed.html4/44/44/40/40/4NOT RUN
mousemove_prevent_default_action.html2/22/22/21/21/2NOT RUN
mouseover-at-removing-mousedown-target.html?duration=1630/3030/3030/3030/300/30NOT RUN
mouseover-at-removing-mousedown-target.html?duration=4230/3030/3030/3030/300/30NOT RUN
offset_and_page_after_dispatch.tentative.html7/77/77/77/75/7NOT RUN
synthetic-mouse-enter-leave-over-out-button-state-after-target-removed.tentative.html?buttonType=LEFT&button=0&buttons=19/119/115/114/110/11NOT RUN
synthetic-mouse-enter-leave-over-out-button-state-after-target-removed.tentative.html?buttonType=MIDDLE&button=1&buttons=48/119/115/114/110/11NOT RUN