$ headless-seo-check http://127.0.0.1:4311 --urls /shell,/cjk,/cjk-thin,/thin,/static --plain
--- stdout+stderr ---
headless-seo-check: checking http://127.0.0.1:4311 …
headless-seo-check: 5 of 5 URLs selected, from --urls
run	http://127.0.0.1:4311	--urls	5	5
page	http://127.0.0.1:4311/shell	checked	200	static	0	0	0	1	-
finding	http://127.0.0.1:4311/shell	warn	canonical-missing	no canonical link in the served HTML
finding	http://127.0.0.1:4311/shell	error	empty-server-html	the served HTML carries 0 words — Googlebot has to run JavaScript to see this page
detail	http://127.0.0.1:4311/shell	empty-server-html	7 <script src> + 3 KB inline JS + an empty root container
finding	http://127.0.0.1:4311/shell	warn	no-internal-links	no links to any other page on this host — the navigation is not in the served HTML
page	http://127.0.0.1:4311/cjk	checked	200	static	268	17	1	0	-
finding	http://127.0.0.1:4311/cjk	warn	canonical-missing	no canonical link in the served HTML
page	http://127.0.0.1:4311/cjk-thin	checked	200	static	39	0	1	1	-
finding	http://127.0.0.1:4311/cjk-thin	warn	canonical-missing	no canonical link in the served HTML
finding	http://127.0.0.1:4311/cjk-thin	error	empty-server-html	the served HTML carries 39 words — Googlebot has to run JavaScript to see this page
detail	http://127.0.0.1:4311/cjk-thin	empty-server-html	6 <script src> + 3 KB inline JS
finding	http://127.0.0.1:4311/cjk-thin	warn	no-internal-links	no links to any other page on this host — the navigation is not in the served HTML
page	http://127.0.0.1:4311/thin	checked	200	static	117	1	1	0	-
finding	http://127.0.0.1:4311/thin	warn	canonical-missing	no canonical link in the served HTML
finding	http://127.0.0.1:4311/thin	warn	thin-server-html	the served HTML carries 117 words for a page that ships an application bundle
detail	http://127.0.0.1:4311/thin	thin-server-html	6 <script src> + 4 KB inline JS
page	http://127.0.0.1:4311/static	checked	200	static	325	17	1	0	-
finding	http://127.0.0.1:4311/static	warn	canonical-missing	no canonical link in the served HTML
summary	checked	5
summary	dynamic	0
summary	unclear	0
summary	noindex_header	0
summary	hreflang_drift	0
summary	hreflang_dead_target	0
summary	empty_html	2
summary	sitemap_errors	0
summary	unreachable	0
summary	blocking	2
summary	warnings	8
summary	interrupted	0
summary	exit_code	1
--- exit code: 1 ---