riksdagsmonitor/budget.json at main · Hack23/riksdagsmonitor · GitHub

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[
  {
    "path": "/*",
    "comment": "Performance budgets for riksdagsmonitor. The source styles.css is kept lean by hand (no PurgeCSS in the pipeline — see deploy-s3.yml), then the deploy minify step (scripts/minify-dist.ts) shrinks HTML/CSS/JS in dist/. These budgets reserve mobile-throttled headroom so a regression > ~25% above measured baseline fails CI.",
    "timings": [
      {
        "metric": "first-contentful-paint",
        "budget": 3000,
        "comment": "Desktop baseline (post-optimisation): 1.1s. Mobile-throttled headroom budget: 3000ms."
      },
      {
        "metric": "largest-contentful-paint",
        "budget": 3500,
        "comment": "Desktop baseline (post-optimisation): 1.1s. Mobile-throttled headroom budget: 3500ms."
      },
      {
        "metric": "interactive",
        "budget": 3800,
        "comment": "Aligned with Google's TTI 'fast' band (< 3.8s mobile)."
      },
      {
        "metric": "cumulative-layout-shift",
        "budget": 0.1,
        "comment": "Target: < 0.1 (Core Web Vitals 'good'); measured 0.007 desktop."
      },
      {
        "metric": "total-blocking-time",
        "budget": 200,
        "comment": "Target: < 200ms; measured 0ms desktop."
      }
    ],
    "resourceSizes": [
      {
        "resourceType": "document",
        "budget": 70,
        "comment": "Pre-minify baseline 92 KiB. Post HTML minify: ≤ 70 KiB target."
      },
      {
        "resourceType": "script",
        "budget": 250,
        "comment": "Post-minify target. esbuild already drops console/debugger; scripts/minify-dist.ts squeezes the residue."
      },
      {
        "resourceType": "stylesheet",
        "budget": 80,
        "comment": "Stylesheet budget: source styles.css kept lean by hand, then minified at deploy. Target ≤ 80 KiB raw / ≤ 25 KiB gzip on the wire."
      },
      {
        "resourceType": "image",
        "budget": 500,
        "comment": "Unchanged — image optimisation not in scope of this PR."
      },
      {
        "resourceType": "font",
        "budget": 100,
        "comment": "Unchanged — already passing."
      },
      {
        "resourceType": "total",
        "budget": 900,
        "comment": "Tightened after CSS source clean-up + JS/CSS/HTML minify."
      }
    ],
    "resourceCounts": [
      {
        "resourceType": "third-party",
        "budget": 10,
        "comment": "No failures reported, maintaining current budget"
      }
    ]
  }
]