What does the tool do?
Inspect canonical and hreflang signals as one international SEO system.
International SEO
Inspect canonical, self-canonical, hreflang reciprocity, x-default, locale codes, and alternate consistency with real HTTP responses.
Interpret the tool correctly
Inspect canonical and hreflang signals as one international SEO system.
The tool fetches the submitted page and a bounded set of alternates, then checks HTTP, canonical, locale, reciprocity, duplicate, and x-default evidence.
Public HTML link elements, response codes, redirect targets, canonical URLs, and language declarations.
Resolve Critical findings first. Attention items improve consistency but may depend on the site’s language strategy.