{
  "schemaVersion": 1,
  "type": "resource",
  "id": "60fps",
  "evaluation": {
    "reviewedOn": "2026-10-19",
    "status": "checked",
    "modes": [
      "http",
      "browser"
    ],
    "summary": "The first public motion-reference video played and progressed beyond one second with readyState 4. This tests playback, not the performance of the interface shown in the clip.",
    "reportUrl": "/design-evaluations/resource-60fps.json",
    "identity": {
      "target": "https://60fps.design/",
      "version": "Unversioned public page checked 2026-10-19",
      "integrity": "sha256:3cfcff2d28794e1038763182730732347a50b5e6789e9eadffccb4d2390fbc95"
    },
    "environment": [
      "Chromium 155.0.8059.82 on Windows; fresh temporary profile and fresh account-free contexts.",
      "Public HTTPS GET/HEAD requests only; telemetry/auth routes and WebSockets blocked. No account storage or credential environment variables."
    ],
    "tests": [
      {
        "name": "Public document and DOM",
        "mode": "browser",
        "method": "Fresh Chromium GET, then inspect rendered controls after hydration delay",
        "result": "pass",
        "observation": "HTTP 200; 70 captured button labels; 0 inputs; 1 canvases."
      },
      {
        "name": "Motion reference playback",
        "mode": "browser",
        "method": "Play the first public video and read playback progress",
        "result": "pass",
        "observation": "[{\"paused\":false,\"time\":1.160605,\"ready\":4},{\"paused\":true,\"time\":0,\"ready\":0},{\"paused\":true,\"time\":0,\"ready\":0}]"
      }
    ],
    "security": {
      "scope": "Passive inspection of the public response headers, requested hosts and the named browser sample. No active exploitation, authenticated permissions test or complete security audit.",
      "findings": [
        {
          "level": "caution",
          "basis": "observed",
          "title": "A recorded example is not a performance benchmark",
          "detail": "Successful video playback does not establish frame rate, battery impact or motion accessibility of the original product."
        }
      ],
      "limits": [
        "No authenticated workspace, private content, production backend permissions or data-retention verification.",
        "No download/reuse rights determination, original-product execution or device performance audit."
      ]
    },
    "practicalCaveats": [
      "Translate the interaction states into your own implementation and test pause, reduced motion and task completion there.",
      "Pin and recheck the selected version or sample before adoption; the observations apply only to the scope and date shown."
    ],
    "limits": [
      "No download/reuse rights determination, original-product execution or device performance audit.",
      "Fresh-browser restrictions can affect external assets and hydration. Initial failed selectors and limited probes remain in the evidence; they are not blanket product failures."
    ],
    "sources": [
      {
        "label": "Primary public resource",
        "url": "https://60fps.design/"
      }
    ]
  }
}