Schema:LayoutShift

PHP logging

EventLogging::logEvent( 'LayoutShift', 24369698, $event );

extension.json setup for JavaScript logging

{
	"attributes": {
		"EventLogging": {
			"Schemas": {
				"LayoutShift": 24369698
			}
		}
	}
}

JavaScript logging

mw.track( 'event.LayoutShift', { /* ... */ } );
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Revision 24369698