The Link Manager is a pseudo post type at best. You can either use the default ‘Categories’, or go full circle and (1) register a new post type + the custom taxonomy on the new post type or (2) use post formats + the custom taxonomy on posts
The Link Manager is a pseudo post type at best. You can either use the default ‘Categories’, or go full circle and (1) register a new post type + the custom taxonomy on the new post type or (2) use post formats + the custom taxonomy on posts