All reports of homepage-for-cran-package-not-canonical for the archive. The extended description of this tag is:
The Homepage field for this package points to an uncanonical CRAN URL. Please update to use the current canonical URL instead. The canonical URL is recommended for use in publications, etc., will always redirect to current release version (or devel if package is not in release yet). For example, the link for the package "foo" should be:https://cran.r-project.org/package=foo
Severity: wishlist, Certainty: certain
Check: fields/homepage, Type: binary, udeb, source
This tag has not been emitted in any package tested by Lintian.