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[Learn more about the Cumulative Layout Shift metric](https://web.dev/articles/cls).", "score": 1, "scoreDisplayMode": "numeric", "displayValue": "0.001", "details": { "items": [ { "cumulativeLayoutShiftMainFrame": 0.0005374793698153628, "newEngineResult": { "cumulativeLayoutShift": 0.0005374793698153628, "cumulativeLayoutShiftMainFrame": 0.0005374793698153628 }, "newEngineResultDiffered": false } ], "type": "debugdata" }, "numericValue": 0.0005374793698153628, "numericUnit": "unitless", "scoringOptions": { "p10": 0.1, "median": 0.25 } }, "custom-controls-labels": { "id": "custom-controls-labels", "title": "Custom controls have associated labels", "description": "Custom interactive controls have associated labels, provided by aria-label or aria-labelledby. 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` and `: ` groups, `