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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-highlight-api

Spec: CSS Custom Highlight API ↗

Runs: Chrome 155.0.8039.0 (wpt@508cc6a62, 2026-09-03) | Firefox 157.0a1 (wpt@508cc6a62, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-56c61 (wpt@8fdda8ce4, 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
TotalNO DATANO DATA98.1%261/26614.7%39/26614.7%39/2666.0%16/266
crashtestsNO DATANO DATA100.0%3/3100.0%3/3100.0%3/3100.0%3/3
paintingNO DATANO DATA97.8%87/899.0%8/8910.1%9/8911.2%10/89
TestChromeFirefoxSafariLadybirdServoBlitz
Highlight-invalid-static-range-crash.htmlPASSPASSPASSPASSPASSPASS
Highlight-iteration-with-modifications.html6/66/66/60/60/60/6
Highlight-iteration.html25/2525/2525/250/250/250/25
Highlight-multiple-type-attribute.htmlPASSPASSPASSFAILFAILFAIL
Highlight-setlike-tampered-Set-prototype.htmlPASSPASSPASSFAILFAILFAIL
Highlight-setlike.html29/2929/2929/290/290/290/29
Highlight-type-attribute.tentative.htmlPASSPASSPASSFAILFAILFAIL
HighlightRegistry-highlightsFromPoint-ranges.htmlPASSPASSPASSFAILFAILFAIL
HighlightRegistry-highlightsFromPoint.html8/88/88/81/81/81/8
HighlightRegistry-iteration-with-modifications.html8/88/88/80/80/80/8
HighlightRegistry-iteration.html15/1515/1515/150/150/150/15
HighlightRegistry-maplike-tampered-Map-prototype.htmlPASSPASSERRORFAILFAILFAIL
HighlightRegistry-maplike.html3/33/33/30/30/30/3
highlight-fallback-not-tinted.htmlPASSPASSPASSPASSFAILFAIL
highlight-image-currentcolor.htmlPASSFAILFAILFAILFAILFAIL
highlight-image-stacked.htmlPASSFAILFAILFAILFAILFAIL
highlight-image.htmlPASSPASSPASSFAILFAILFAIL
highlight-priority-painting.htmlPASSPASSPASSFAILFAILFAIL
highlight-priority.htmlPASSPASSPASSFAILFAILFAIL
highlight-pseudo-computed.html12/1212/1212/1210/1210/120/12
highlight-pseudo-from-font-computed.html3/33/33/30/30/30/3
highlight-pseudo-parsing.html13/1313/1313/137/137/130/13
highlight-text-across-elements.htmlPASSPASSPASSFAILFAILFAIL
highlight-text-cascade.htmlPASSFAILPASSFAILFAILFAIL
highlight-text-decorations.htmlPASSPASSPASSFAILFAILFAIL
highlight-text-dynamic.htmlPASSPASSPASSFAILFAILFAIL
highlight-text-replace.htmlPASSPASSPASSFAILFAILFAIL
highlight-text.htmlPASSPASSPASSFAILFAILFAIL
historical.window.htmlPASSPASSPASSPASSPASSPASS
idlharness.window.html33/3333/3333/337/337/330/33