The indexability state is a computed yes-or-no view of whether a page is currently indexable. Rather than looking at one signal in isolation, it combines several of the most important checks that influence whether a page can realistically remain in search results. This makes it a very useful summary field. A page may look fine […]
Response content type
The response content type is the value returned in the HTTP Content-Type header. It tells browsers and search engines what kind of resource the URL is serving, such as an HTML page, a PDF, JSON, or an image. This is a useful check because a page can still return a normal status code while serving […]
Canonical host/protocol variant
Introduction The canonical host/protocol variant is the normalised version of a page’s host and protocol, such as https://www.example.com or https://example.com. It is a useful way to track whether a page is resolving on the expected combination of protocol and hostname. This matters because even when the path stays the same, a shift between HTTP and […]