$ headless-seo-check http://127.0.0.1:4399 -a --json
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4399 …
headless-seo-check: cannot reach 127.0.0.1:4399: connection refused (nothing listening on that port) (ECONNREFUSED)
headless-seo-check:   robots.txt could not be read — connection refused (nothing listening on that port) (ECONNREFUSED)
headless-seo-check:   http://127.0.0.1:4399/sitemap.xml — connection refused (nothing listening on that port) (ECONNREFUSED)
headless-seo-check:   http://127.0.0.1:4399/sitemap_index.xml — connection refused (nothing listening on that port) (ECONNREFUSED)
{
  "tool": "headless-seo-check",
  "version": "0.1.0",
  "checked_at_unix": 1786210247,
  "interrupted": false,
  "notes": [],
  "site": "http://127.0.0.1:4399",
  "fatal": {
    "code": "unreachable",
    "message": "cannot reach 127.0.0.1:4399: connection refused (nothing listening on that port) (ECONNREFUSED)",
    "detail": [
      "robots.txt could not be read — connection refused (nothing listening on that port) (ECONNREFUSED)",
      "http://127.0.0.1:4399/sitemap.xml — connection refused (nothing listening on that port) (ECONNREFUSED)",
      "http://127.0.0.1:4399/sitemap_index.xml — connection refused (nothing listening on that port) (ECONNREFUSED)"
    ]
  },
  "exit_code": 2
}
--- exit code: 2 ---