$ headless-seo-check http://127.0.0.1:4311 --urls http://127.0.0.1:4311/static,http://127.0.0.1:4311/cjk --no-color
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4311 …
headless-seo-check: 2 of 2 URLs selected, from --urls
headless-seo-check http://127.0.0.1:4311
  2 of 2 URLs checked, from --urls

  ! /static    static, 325 words
      warn  no canonical link in the served HTML
  ! /cjk       static, 268 words
      warn  no canonical link in the served HTML

  PASSED  no blocking issue, 2 warnings

--- exit code: 0 ---