Lighthouse MCP

MIT License

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find_unused_javascript

Identify and eliminate unused JavaScript code to optimize website performance and reduce bundle size. Analyze URLs, specify device emulation, and set minimum unused byte thresholds for targeted improvements.

Instructions

Find unused JavaScript code to reduce bundle size

Input Schema

Name	Required	Description	Default
`device`	No	Device to emulate (default: desktop)	desktop
`minBytes`	No	Minimum unused bytes to report (default: 2048)
`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"
    },
    "minBytes": {
      "default": 2048,
      "description": "Minimum unused bytes to report (default: 2048)",
      "minimum": 0,
      "type": "number"
    },
    "url": {
      "description": "URL to audit",
      "type": "string"
    }
  },
  "required": [
    "url"
  ],
  "type": "object"
}

Install Server

HTTP connection URL

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