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conformance · v145
v145 · add-presentationtime-painttime-to-performance-entries — conformance probe
7 assertions drawn from the spec. Each is a single contract the spec text makes. Pass/fail reflects what this browser executed; blocked means the contract was not run because it needs user mediation, hardware, or another unavailable precondition. Open the page in Chrome stable / canary / Firefox / Safari to compare.
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pass
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fail
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blocked
7
total
| id | contract | kind | verdict | detail |
|---|---|---|---|---|
performance-observer-exists |
PerformanceObserver is available, the entry point for reading paint/element/LCP timing entries. | exists | … | |
paint-timing-supported-entry-type |
The 'paint' entry type is reported by PerformanceObserver.supportedEntryTypes. spec ↗ | script | … | |
largest-contentful-paint-supported |
'largest-contentful-paint' entry type is supported — paintTime/presentationTime are added to entries of this type. spec ↗ | script | … | |
element-timing-supported |
'element' entry type is supported — paintTime/presentationTime are added to element-timing entries too. spec ↗ | script | … | |
long-animation-frame-supported |
'long-animation-frame' entry type is supported — paintTime/presentationTime are added to LoAF entries. spec ↗ | script | … | |
paint-timing-mixin-paint-time |
PerformancePaintTiming.prototype exposes a paintTime accessor for paint entries. spec ↗ | script | … | |
paint-timing-mixin-presentation-time |
PerformancePaintTiming.prototype exposes a presentationTime accessor for paint entries. spec ↗ | script | … |