$ headless-seo-check http://127.0.0.1:4311 --urls /canonical-self,/canonical-other,/hreflang-good,/hreflang-html-only --json
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4311 …
headless-seo-check: 4 of 4 URLs selected, from --urls
{
  "tool": "headless-seo-check",
  "version": "0.1.0",
  "checked_at_unix": 1786210243,
  "interrupted": false,
  "notes": [],
  "fatal": null,
  "site": "http://127.0.0.1:4311",
  "discovery": {
    "source": "--urls",
    "total": 4,
    "checked": 4
  },
  "pages": [
    {
      "url": "http://127.0.0.1:4311/canonical-self",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 0,
      "render_mode": "static",
      "words": 324,
      "internal_links": 17,
      "findings": []
    },
    {
      "url": "http://127.0.0.1:4311/canonical-other",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 0,
      "render_mode": "static",
      "words": 327,
      "internal_links": 17,
      "findings": [
        {
          "kind": "canonical-elsewhere",
          "severity": "info",
          "message": "canonical points at another page",
          "detail": [
            "http://127.0.0.1:4311/static"
          ]
        }
      ]
    },
    {
      "url": "http://127.0.0.1:4311/hreflang-good",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 1,
      "render_mode": "static",
      "words": 324,
      "internal_links": 17,
      "findings": []
    },
    {
      "url": "http://127.0.0.1:4311/hreflang-html-only",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 1,
      "render_mode": "static",
      "words": 325,
      "internal_links": 17,
      "findings": []
    }
  ],
  "summary": {
    "checked": 4,
    "dynamic": 0,
    "unclear": 0,
    "noindex_header": 0,
    "hreflang_drift": 0,
    "hreflang_dead_target": 0,
    "empty_html": 0,
    "sitemap_errors": 0,
    "unreachable": 0,
    "blocking": 0
  },
  "warnings": 0,
  "exit_code": 0
}
--- exit code: 0 ---