NAV_ORPHAN_SITEMAP_URLS
Sitemap URLs not linked from any crawled page
No automatic fix — this needs a manual change on your siteWhat this check looks at
Whether at least three sitemap URLs, and at least 10% of them, are not linked from any page the crawler fetched. It runs only on a full scan with a deep enough crawl and a plain URL sitemap, never on a sitemap index.
Why AI answer engines care
Pages that are listed in the sitemap but not linked from anywhere are hard for crawlers and visitors to reach, and are less likely to be discovered and cited.
Does Synviber fix it for me?
Not currently — this one needs a manual change on your own site or infrastructure; Synviber can detect it but does not publish an automatic fix for it today.
How to fix it manually
Low severity
Scanner message: "12 of 80 sitemap URLs are not linked from any crawled page."
Link important pages from nav or hub pages so crawlers and users can reach them.