100-Days-Of-Web-Development-ECWoC26/performance-budget.json at main · Shubham-cyber-prog/100-Days-Of-Web-Development-ECWoC26 · GitHub

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{
  "performance": {
    "budgets": [
      {
        "resourceType": "script",
        "budget": 100,
        "unit": "kB",
        "description": "Total JavaScript per page should not exceed 100KB uncompressed"
      },
      {
        "resourceType": "stylesheet",
        "budget": 50,
        "unit": "kB",
        "description": "Total CSS per page should not exceed 50KB uncompressed"
      },
      {
        "resourceType": "image",
        "budget": 200,
        "unit": "kB",
        "description": "Individual images should not exceed 200KB"
      },
      {
        "resourceType": "total",
        "budget": 500,
        "unit": "kB",
        "description": "Total page weight should not exceed 500KB"
      },
      {
        "metric": "first-contentful-paint",
        "budget": 1500,
        "unit": "ms",
        "description": "First Contentful Paint should be under 1.5 seconds"
      },
      {
        "metric": "largest-contentful-paint",
        "budget": 2500,
        "unit": "ms",
        "description": "Largest Contentful Paint should be under 2.5 seconds"
      },
      {
        "metric": "cumulative-layout-shift",
        "budget": 0.1,
        "unit": "unitless",
        "description": "Cumulative Layout Shift should be under 0.1"
      },
      {
        "metric": "total-blocking-time",
        "budget": 300,
        "unit": "ms",
        "description": "Total Blocking Time should be under 300ms"
      },
      {
        "metric": "speed-index",
        "budget": 3000,
        "unit": "ms",
        "description": "Speed Index should be under 3 seconds"
      }
    ],
    "lighthouse": {
      "performance": 90,
      "accessibility": 90,
      "best-practices": 80,
      "seo": 80
    }
  },
  "ci": {
    "collect": {
      "numberOfRuns": 3,
      "settings": {
        "preset": "desktop",
        "throttling": {
          "rttMs": 40,
          "throughputKbps": 10240,
          "cpuSlowdownMultiplier": 1
        }
      }
    },
    "assert": {
      "assertions": {
        "categories:performance": ["error", {"minScore": 0.9}],
        "first-contentful-paint": ["error", {"maxNumericValue": 1500}],
        "largest-contentful-paint": ["error", {"maxNumericValue": 2500}],
        "cumulative-layout-shift": ["error", {"maxNumericValue": 0.1}],
        "total-blocking-time": ["error", {"maxNumericValue": 300}],
        "speed-index": ["error", {"maxNumericValue": 3000}]
      }
    }
  }
}