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conformance · v146
v146 · lcp-match-specced-behavior-for-emitting-candidates — conformance probe
6 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
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| id | contract | kind | verdict | detail |
|---|---|---|---|---|
performance-observer-supports-largest-contentful-paint |
PerformanceObserver advertises 'largest-contentful-paint' as a supported entry type. | script | … | |
lcp-entry-has-rendertime |
LargestContentfulPaint entries expose renderTime — the spec-aligned timestamp used to emit candidates. | script | … | |
lcp-entry-has-loadtime |
LargestContentfulPaint entries expose loadTime alongside renderTime. | script | … | |
lcp-entry-has-size |
LargestContentfulPaint entries expose size — used to determine candidate ordering. | script | … | |
lcp-entry-has-element |
LargestContentfulPaint entries expose element so observers can introspect the painted node. | script | … | |
lcp-emits-at-least-one-entry-on-paint |
Observing 'largest-contentful-paint' delivers at least one entry once the document paints content. | script | … |