Link Map Viewer can handle sites which site’s ownership is verified. App refers meta tag embedded in <head> section of Web page to verify ownership.
Click Option/Config menu to open Config dialog. Meta tag is shown in “Site verification” at Common page.
Embed this meta tag in <head> section of top page in target site with your favorite method.
“Verify Site” button comes handy to test your work. (Be aware clearing cache before testing.)