.lighthouserc.json

{
  "ci": {
    "collect": {
      "startServerCommand": "NO_COLOR=1 npx vite preview --outDir .lighthouse-build",
      "startServerReadyPattern": "Local",
      "startServerReadyTimeout": 30000,
      "url": ["http://localhost:4173"],
      "numberOfRuns": 3,
      "settings": {
        "preset": "desktop",
        "throttling": {
          "rttMs": 40,
          "throughputKbps": 10240,
          "cpuSlowdownMultiplier": 1
        }
      }
    },
    "assert": {
      "assertions": {
        "largest-contentful-paint": ["error", { "maxNumericValue": 2500 }],
        "first-contentful-paint": ["error", { "maxNumericValue": 1800 }],
        "cumulative-layout-shift": ["error", { "maxNumericValue": 0.1 }],
        "total-blocking-time": ["warn", { "maxNumericValue": 350 }],
        "interactive": ["warn", { "maxNumericValue": 3800 }],
        "speed-index": ["warn", { "maxNumericValue": 3400 }],
        "resource-summary:script:size": ["error", { "maxNumericValue": 600000 }],
        "resource-summary:stylesheet:size": ["error", { "maxNumericValue": 100000 }],
        "resource-summary:image:size": ["warn", { "maxNumericValue": 500000 }],
        "resource-summary:total:size": ["error", { "maxNumericValue": 2000000 }],
        "categories:performance": ["error", { "minScore": 0.8 }],
        "categories:accessibility": ["warn", { "minScore": 0.9 }],
        "categories:best-practices": ["warn", { "minScore": 0.9 }],
        "categories:seo": ["warn", { "minScore": 0.9 }]
      }
    },
    "upload": {
      "target": "temporary-public-storage"
    }
  }
}