$ headless-seo-check http://127.0.0.1:4315 --urls /app/static,/app/cjk --no-color
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4315 …
headless-seo-check: 2 of 2 URLs selected, from --urls
headless-seo-check http://127.0.0.1:4315
  2 of 2 URLs checked, from --urls

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

  PASSED  no blocking issue, 2 warnings

--- exit code: 0 ---