corewebvitals.io
Browse every metric, technology, and signal in the Core Web Vitals dataset. Real-user data from 189,915 sites.
First seen 2026-08-17 · Last seen 2026-08-17 · Source: webmcp.com
Answer 3 · Act 0 · Transact 0 · Score: Not yet scored
Tool inspector
list_options
Discovery helper: valid filter keys, group_by values, built-in metric names, sample entity keys, and optional contract paths. Call this before get_metrics when unsure of allowed values.
Page: /
Input schema
| Property | Type | Required | Description |
|---|---|---|---|
kind |
string | no | Subset to return. Omit or "all" for the full discovery payload. |
include_paths |
boolean | no | If true, include technique contract path samples when available. |
Raw JSON schema
{
"type": "object",
"additionalProperties": false,
"properties": {
"kind": {
"type": "string",
"enum": [
"all",
"filters",
"group_by",
"metrics",
"entities"
],
"description": "Subset to return. Omit or \"all\" for the full discovery payload."
},
"include_paths": {
"type": "boolean",
"description": "If true, include technique contract path samples when available."
}
}
}
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