$ headless-seo-check http://127.0.0.1:4311 -s 3 --no-color
--- 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
headless-seo-check http://127.0.0.1:4311
  3 of 23 URLs checked, from http://127.0.0.1:4311/sitemap.xml
  23 URLs pointed at another host, checked on 127.0.0.1:4311 instead

  ! /               static, 324 words
      warn  no canonical link in the served HTML
  + /hreflang-dead  static, 327 words
  . /redirected-old HTTP 308 — redirects to http://127.0.0.1:4311/static

  PASSED  no blocking issue, 1 warning

--- exit code: 0 ---