$ headless-seo-check http://127.0.0.1:4311 -s 3 --plain
--- 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
run	http://127.0.0.1:4311	http://127.0.0.1:4311/sitemap.xml	23	3
page	http://127.0.0.1:4311/	checked	200	static	324	17	0	0	-
finding	http://127.0.0.1:4311/	warn	canonical-missing	no canonical link in the served HTML
page	http://127.0.0.1:4311/hreflang-dead	checked	200	static	327	17	0	0	-
page	http://127.0.0.1:4311/redirected-old	redirect	308	-	-	-	0	0	http://127.0.0.1:4311/static
finding	http://127.0.0.1:4311/redirected-old	info	sitemap-url-redirect	HTTP 308 — redirects to http://127.0.0.1:4311/static
summary	checked	2
summary	dynamic	0
summary	unclear	0
summary	noindex_header	0
summary	hreflang_drift	0
summary	hreflang_dead_target	0
summary	empty_html	0
summary	sitemap_errors	0
summary	unreachable	0
summary	blocking	0
summary	warnings	1
summary	interrupted	0
summary	exit_code	0
--- exit code: 0 ---