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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 / visual-viewport

Spec: https://wicg.github.io/visual-viewport/ ↗

Runs: Chrome 155.0.8040.0 (wpt@105b6a3a5, 2026-09-03) | Firefox 157.0a1 (wpt@e6996908b, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-f436a (wpt@476394464, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz a50cb8971 (wpt@a95401e4e, 2026-09-03)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total97.1%34/3591.4%32/3594.3%33/3588.6%31/350.0%0/350.0%0/35
TestChromeFirefoxSafariLadybirdServoBlitz
page-and-offset-in-iframe.htmlPASSFAILFAILFAILFAILNOT RUN
resize-event-order.html2/21/22/21/20/2NOT RUN
scroll-event-order.htmlPASSFAILFAILFAILFAILNOT RUN
viewport-no-resize-event-on-overflow-recalc.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-read-size-causes-layout.htmlPASSPASSPASSPASSFAILNOT RUN
viewport-read-size-in-iframe-causes-layout.htmlPASSPASSPASSPASSFAILNOT RUN
viewport-resize-event-on-iframe-show.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-resize-event-on-iframe-size-change.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-resize-event-on-load-overflowing-page.htmlPASSPASSPASSPASSTIMEOUTNOT RUN
viewport-scale-clamped.htmlFAILPASSPASSFAILFAILNOT RUN
viewport-scrollbars-cause-resize-in-iframe.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-scrollbars-cause-resize.html3/33/33/33/30/3NOT RUN
viewport-type.html2/22/22/22/20/2NOT RUN
viewport-unscaled-scale-iframe.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-unscaled-scale.htmlPASSPASSPASSPASSERRORNOT RUN
viewport-unscaled-scroll-iframe.html4/44/44/44/40/4NOT RUN
viewport-unscaled-scroll.html4/44/44/44/40/4NOT RUN
viewport-unscaled-size-iframe.html4/44/44/44/40/4NOT RUN
viewport-unscaled-size.html4/44/44/44/40/4NOT RUN