Lighthouse MCP

MIT License

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analyze_resources

Audit and optimize website resources like images, JS, CSS, and fonts to improve performance. Specify URL, device, resource types, and size thresholds for precise analysis.

Instructions

Analyze website resources (images, JS, CSS, fonts) for optimization opportunities

Input Schema

Name	Required	Description	Default
`device`	No	Device to emulate (default: desktop)	desktop
`minSize`	No	Minimum resource size in KB to include
`resourceTypes`	No	Types of resources to analyze
`url`	Yes	URL to audit

Input Schema (JSON Schema)

{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "additionalProperties": false,
  "properties": {
    "device": {
      "default": "desktop",
      "description": "Device to emulate (default: desktop)",
      "enum": [
        "desktop",
        "mobile"
      ],
      "type": "string"
    },
    "minSize": {
      "description": "Minimum resource size in KB to include",
      "minimum": 0,
      "type": "number"
    },
    "resourceTypes": {
      "description": "Types of resources to analyze",
      "items": {
        "enum": [
          "images",
          "javascript",
          "css",
          "fonts",
          "other"
        ],
        "type": "string"
      },
      "type": "array"
    },
    "url": {
      "description": "URL to audit",
      "type": "string"
    }
  },
  "required": [
    "url"
  ],
  "type": "object"
}

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