$ headless-seo-check http://127.0.0.1:4311 -s 3 --json
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4311 …
headless-seo-check: 23 URLs pointed at another host, checked on 127.0.0.1:4311 instead
headless-seo-check: 3 of 23 URLs selected, from http://127.0.0.1:4311/sitemap.xml
{
  "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": "http://127.0.0.1:4311/sitemap.xml",
    "total": 23,
    "checked": 3,
    "rebased": "23 URLs pointed at another host, checked on 127.0.0.1:4311 instead"
  },
  "pages": [
    {
      "url": "http://127.0.0.1:4311/",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 0,
      "render_mode": "static",
      "words": 324,
      "internal_links": 17,
      "findings": [
        {
          "kind": "canonical-missing",
          "severity": "warn",
          "message": "no canonical link in the served HTML"
        }
      ]
    },
    {
      "url": "http://127.0.0.1:4311/hreflang-dead",
      "outcome": "checked",
      "status": 200,
      "ttfb_ms": 1,
      "render_mode": "static",
      "words": 327,
      "internal_links": 17,
      "findings": []
    },
    {
      "url": "http://127.0.0.1:4311/redirected-old",
      "outcome": "redirect",
      "status": 308,
      "ttfb_ms": 1,
      "redirects_to": "http://127.0.0.1:4311/static",
      "findings": [
        {
          "kind": "sitemap-url-redirect",
          "severity": "info",
          "message": "HTTP 308 — redirects to http://127.0.0.1:4311/static"
        }
      ]
    }
  ],
  "summary": {
    "checked": 2,
    "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": 1,
  "exit_code": 0
}
--- exit code: 0 ---