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 / html / canvas / element / compositing

Spec: https://html.spec.whatwg.org/multipage/canvas.html#2dcontext ↗

Runs: Chrome 155.0.8040.0 (wpt@476394464, 2026-09-03) | Firefox 157.0a1 (wpt@476394464, 2026-09-03) | Safari 251 preview (wpt@5ce815a83, 2026-08-27) | Ladybird 1.0-a7825 (wpt@a1e944e7a, 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

Area	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
Total	100.0%111/111	88.3%98/111	88.3%98/111	74.8%83/111	87.4%97/111	0.0%0/111

Test	Chrome	Firefox	Safari	Ladybird	Servo	Blitz
2d.composite.canvas.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.destination-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.destination-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.lighter.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.source-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.source-out.html	PASS	TIMEOUT	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.source-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.canvas.xor.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.destination-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.destination-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.lighter.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.source-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.source-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.source-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.clip.xor.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.full.mode.alpha.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.globalAlpha.canvas.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.canvascopy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.canvaspattern.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.default.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.fill.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.image.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.imagepattern.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.invalid.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.globalAlpha.range.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.grid.filter.no_shadow.drawImage.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.filter.no_shadow.fillRect.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.filter.no_shadow.pattern.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.filter.shadow.drawImage.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.filter.shadow.fillRect.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.filter.shadow.pattern.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.no_filter.no_shadow.drawImage.html	PASS	FAIL	FAIL	FAIL	PASS	NOT RUN
2d.composite.grid.no_filter.no_shadow.fillRect.html	PASS	FAIL	FAIL	FAIL	PASS	NOT RUN
2d.composite.grid.no_filter.no_shadow.pattern.html	PASS	FAIL	FAIL	FAIL	PASS	NOT RUN
2d.composite.grid.no_filter.shadow.drawImage.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.no_filter.shadow.fillRect.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.grid.no_filter.shadow.pattern.html	PASS	FAIL	FAIL	FAIL	FAIL	NOT RUN
2d.composite.image.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.destination-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.destination-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.lighter.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.source-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.source-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.source-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.image.xor.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.casesensitive.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.darker.html	PASS	PASS	FAIL	PASS	PASS	NOT RUN
2d.composite.operation.default.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.get.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.highlight.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.nullsuffix.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.operation.unrecognised.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.destination-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.destination-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.lighter.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.source-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.source-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.source-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.solid.xor.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.clear.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.destination-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.destination-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.lighter.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.source-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.source-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.source-over.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.transparent.xor.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.fill.copy.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.fill.destination-atop.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.fill.destination-in.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.fill.source-in.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.fill.source-out.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.image.copy.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.image.destination-atop.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.image.destination-in.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.image.source-in.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.image.source-out.html	PASS	PASS	PASS	FAIL	PASS	NOT RUN
2d.composite.uncovered.nocontext.copy.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.nocontext.destination-atop.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.nocontext.destination-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.nocontext.source-in.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.nocontext.source-out.html	PASS	PASS	PASS	PASS	PASS	NOT RUN
2d.composite.uncovered.pattern.copy.html	PASS	PASS	PASS	FAIL	FAIL	NOT RUN
2d.composite.uncovered.pattern.destination-atop.html	PASS	PASS	PASS	FAIL	FAIL	NOT RUN
2d.composite.uncovered.pattern.destination-in.html	PASS	PASS	PASS	FAIL	FAIL	NOT RUN
2d.composite.uncovered.pattern.source-in.html	PASS	PASS	PASS	FAIL	FAIL	NOT RUN
2d.composite.uncovered.pattern.source-out.html	PASS	PASS	PASS	FAIL	FAIL	NOT RUN