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web_vitals.json
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web_vitals.json
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{
"description": "Schema for reporting web vitals metrics",
"self": {
"vendor": "com.oda",
"name": "web_vitals",
"format": "jsonschema",
"version": "1-0-0"
},
"title": "web_vitals",
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Name of the core web vital metric - cumulative layout shift, first contentful pain, first input delay, largest contentful paint and time to first byte",
"enum": ["CLS", "FCP", "FID", "LCP", "TTFB"]
},
"value": {
"type": "number",
"description": "Value of the metric, milliseconds for LCP and FID, a calculated score for CLS"
},
"delta": {
"type": "number",
"description": "Delta from the last recorded value"
}
},
"additionalProperties": false
}