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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 / shadow-dom / declarative

Spec: DOM ↗

Runs: Chrome 155.0.8039.0 (wpt@a4fcd77aa, 2026-09-03) | Firefox 157.0a1 (wpt@cc4d45aa0, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a9df8 (wpt@9b4cabf6d, 2026-09-03) | Servo Servo 0.6 (wpt@7e3d005d7, 2026-09-03) | Blitz 188486089 (wpt@a95401e4e, 2026-09-02)

Sort areas: alphabetical | by subtest count

AreaChromeFirefoxSafariLadybirdServoBlitz
Total100.0%7793/779499.4%7745/779499.3%7743/779498.1%7643/779499.2%7735/77940.0%0/7794
tentative100.0%56/5612.5%7/5612.5%7/5612.5%7/563.6%2/560.0%0/56
TestChromeFirefoxSafariLadybirdServoBlitz
declarative-after-attachshadow.htmlPASSPASSPASSPASSPASSNOT RUN
declarative-parser-interaction.htmlPASSPASSPASSPASSPASSNOT RUN
declarative-shadow-dom-attachment.html654/654654/654654/654558/654654/654NOT RUN
declarative-shadow-dom-available-to-element-internals.htmlPASSPASSPASSPASSPASSNOT RUN
declarative-shadow-dom-basic.html22/2222/2222/2222/2222/22NOT RUN
declarative-shadow-dom-opt-in.html119/120120/120118/120115/120119/120NOT RUN
declarative-shadow-dom-repeats-2.htmlPASSPASSPASSPASSPASSNOT RUN
declarative-shadow-dom-repeats-slot-assignment.html2/22/22/22/22/2NOT RUN
declarative-shadow-dom-repeats.html3/33/33/33/33/3NOT RUN
declarative-shadow-dom-serialization.html2/22/22/22/22/2NOT RUN
declarative-shadow-dom-slot-assignment-serialization.html3/33/33/33/31/3NOT RUN
declarative-shadow-dom-slot-assignment.html8/88/88/88/88/8NOT RUN
declarative-shadow-dom-write-to-iframe.htmlPASSPASSPASSFAILPASSNOT RUN
declarative-with-disabled-shadow.htmlPASSPASSPASSPASSPASSNOT RUN
gethtml-ordering.html3/33/33/33/31/3NOT RUN
gethtml.html6908/69086908/69086908/69086908/69086908/6908NOT RUN
innerhtml-before-closing-tag.htmlPASSPASSPASSPASSPASSNOT RUN
innerhtml-on-ordinary-template.htmlPASSPASSPASSPASSPASSNOT RUN
move-template-before-closing-tag.html3/33/33/33/33/3NOT RUN
script-access.html2/22/22/22/22/2NOT RUN