Looks, that the ecnryption of "/" isn't needed, eg. in : "/packages/virtual%2Fperl-Test-Simple" at the site https://packages.gentoo.org/packages/virtual/perl-Test-Simple A "/packages/virtual/perl-Test-Simple" should work too, or ?
I do speak about the content of HOMEPAGE just fwiw.
From the IRC: [22:08] <ulm> toralf: I think #588946 misses the point [22:08] <ulm> the homepage link shouldn't be shown at all, if the package has no homepage [22:09] <toralf> ulm: oha